September Weather in Xiaotangshan, China

Last updated: August 21, 2025

In Xiaotangshan, China, September ushers in a transition in weather, marked by a maximum temperature soaring up to 35°C (95°F) and a comfortable average of 21°C (70°F). The month can be characterized by its cool nights, with temperatures dipping to a minimum of 7°C (45°F). While September welcomes a moderate precipitation total of 67 mm (2.6 in) over about 6 days, the humidity lingers at a notable 74%, contributing to a subtropical feel. This combination of warmth, cooling nights, and occasional rain makes September a unique and vibrant time in Xiaotangshan.

September Temperature in Xiaotangshan

In September, Xiaotangshan experiences a delightful transition from the sweltering heat of summer to the cooler embrace of autumn. With temperatures ranging from a mild 7°C (45°F) at night to a pleasant high of 35°C (95°F) during the day, the average temperature hovers around 21°C (70°F), making it an ideal time for outdoor exploration. This month marks a notable dip from the peak summer highs, yet still offers warmth, as the lingering summer sun gradually cedes to the crispness of fall. As the leaves begin to change, visitors can relish in the invigorating climate that characterizes September in this charming region of China.

September Weather in Xiaotangshan: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Xiaotangshan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xiaotangshan, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec243044587078797769543927
Data source: Temperature data for Xiaotangshan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Xiaotangshan

In September, Xiaotangshan experiences a notable shift in precipitation patterns, receiving 67 mm (2.6 in) of rain over 6 days. This marks a significant decrease compared to the dramatic rainfall seen in July (226 mm) and August (149 mm), creating a transitional period as summer gives way to autumn. While still considerable, the September rainfall serves to rejuvenate the landscape, complementing the lush surroundings left by the heavier summer monsoons. This month symbolizes a gradual tapering of the rainy season, paving the way for cooler and drier months ahead, as the region prepares for October's anticipated 33 mm of precipitation.

September Precipitation Trends in Xiaotangshan

The chart displays monthly precipitation patterns in Xiaotangshan, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Xiaotangshan, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec18172023462261496733163
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xiaotangshan

In September, humidity levels in Xiaotangshan, China, average a comfortable 74%, marking a slight decline from the peak of 83% experienced in August. As summer transitions into autumn, the air retains a significant amount of moisture, though the relative humidity begins to stabilize. This gradual decrease reflects a general trend observed throughout the year, where humidity spikes during the sweltering summer months of July and August before settling into a more moderate range in the fall. Comparatively, this humidity level is higher than January's 65%, emphasizing early autumn’s lush, lingering warmth, while foreshadowing the cooler, drier months ahead.

September Average Humidity in Xiaotangshan

This chart illustrates the average monthly humidity levels in Xiaotangshan, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Xiaotangshan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%59%52%56%56%68%78%83%74%74%58%60%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xiaotangshan

As September rolls into Xiaotangshan, China, the UV Index remains firmly in the very high category at 8, indicating a significant potential for skin damage without proper sun protection. This trend reflects the region's climactic progression from the scorching summer months, where the index peaked at 10 in July, to a still potent but slightly decreasing level this fall. With a burn time of just 15 minutes, residents and visitors should remain vigilant against overexposure during this period. As October approaches, a notable drop to a high UV Index of 6 is anticipated, offering a slight respite from the intense sun of summer. For those planning outdoor activities, it’s essential to stay informed about the daily UV levels; for more details, visit Xiaotangshan UV Index.

Maximum UV Index Levels in Xiaotangshan for September

The chart shows the monthly maximum UV Index (UVI) for Xiaotangshan in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Xiaotangshan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458991098632
Data source: Xiaotangshan September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Xiaotangshan

September in Xiaotangshan, China, brings a delightful blend of sunlight and warmth as the summer gradually transitions into autumn. With 280 hours of sunshine, it's a month that retains a notable brightness, slightly dipping from the peak of 329 hours in May. The gentle decline continues through the cooler months, creating a natural rhythm where each season plays its part. Notably, the bright days of June and July start to wane, but September still enjoys more sunlight than the upcoming months, like October and November, which feature 266 hours and 244 hours, respectively. This makes September a perfect time to relish the lingering summer hues before the crisp chill of autumn sets in.

Monthly Sunshine Duration in Xiaotangshan: September Highlighted

The September sunshine duration represents the total number of hours Xiaotangshan experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec215h259h298h300h329h322h291h311h280h266h244h259h
Data source: Xiaotangshan September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Xiaotangshan During September

September in Xiaotangshan, China, marks the transition from the summer heat to the cooler autumn months, and with it comes a notable change in sunny weather. The chance of sun during this month stands at 41%, reflecting a moderate likelihood compared to the vibrancy of summer. This percentage is a part of a broader trend where sunny days sharply decline from the summer peak in July, which sees only 27% sunshine, and then gradually recover in October with 59%. As such, September acts as a bridge, offering glimpses of sunshine while hinting at the impending fall, making it a unique time to enjoy the evolving landscape.

Percentage of Sunny Days in September in Xiaotangshan

The chart illustrates the percentage of sunny days in Xiaotangshan throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Xiaotangshan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec82%69%49%56%56%44%27%49%41%59%75%83%
Data source: Xiaotangshan September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Xiaotangshan in September

In Xiaotangshan, China, the rhythm of daylight unfolds dramatically throughout the year, with September showcasing a gentle transition as daylight lasts 12 hours. Following the peak of 14 hours in the summer months of June and July, September marks a gradual decline, as days begin to shorten with the approach of autumn. This trend of decreasing daylight continues into October and November, where daylight dwindles back to 11 hours and then to 9 hours in the depths of winter. In contrast, the year’s early months, from January to April, illustrate a gradual rise in daylight, culminating in the expansive sunshine of late spring and summer. Overall, the shifting daylight patterns encapsulate the seasonal changes that define life in this region, inviting both reflection and anticipation as each month unfolds.

Average Daylight Hours in Xiaotangshan for September

The chart illustrates the variation in daylight duration in Xiaotangshan throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 38m10h 39m11h 57m13h 17m14h 25m14h 59m14h 41m13h 42m12h 25m11h 6m9h 56m9h 19m
Data source: Xiaotangshan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Xiaotangshan

As summer transitions to autumn in Xiaotangshan, China, September brings a noticeable shift in wind patterns, with average wind speeds dipping to 1.6 m/s (4 mph). This trend marks the peak of a gradual decline observed since May, where breezes began to soften, contrasting the more robust winds of earlier months. After maintaining an average of 2.8 m/s (6 mph) in May, wind speeds have steadily decreased through the warmer months, reaching their lowest in September. With the arrival of cooler temperatures, an uptick to 1.8 m/s (4 mph) in October may herald a gentle resurgence, suggesting that while September's winds may whisper more than roar, the subtle shifts in speed reflect the evolving character of the seasons.

Average September Wind Speed in Xiaotangshan

The chart displays monthly wind speed patterns in Xiaotangshan, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.12.12.62.82.11.71.71.6 m/s1.82.32.1
Data source: Xiaotangshan September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Xiaotangshan Compares to Other Months

Weather in Xiaotangshan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Xiaotangshan, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present starkly contrasting weather conditions. In September, temperatures can range from a cool 7°C (45°F) at night to a scorching 35°C (95°F) during the day, with an average of 21°C (70°F). This month also experiences moderate humidity at 74% and receives about 67 mm (2.6 in) of precipitation over six days. In contrast, January is characterized by much colder temperatures, with a minimum of -20°C (-5°F) and a maximum of 10°C (51°F), leading to an average of -4°C (24°F). Remarkably dry, January sees almost no precipitation, with just 1 mm (0.1 in) and typically no rainy days. The humidity is lower at 65%, further emphasizing the dryness of the season. For more insights on January weather, visit Xiaotangshan weather in January.

In September, the weather is notably warmer, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 35°C (95°F) and an average of 21°C (70°F). The month sees a fair amount of precipitation, totaling 67 mm (2.6 in) over approximately six days, along with a higher humidity level of 74%. In stark contrast, February experiences much colder conditions, with temperatures varying from a chilling minimum of -14°C (7°F) to a pleasant maximum of 22°C (72°F), averaging around -1°C (30°F). Precipitation is minimal, amounting to just 8 mm (0.3 in) over a single day, and humidity drops to 59%. For a closer look at February's weather patterns, visit Xiaotangshan weather in February.

September and March exhibit striking differences in weather patterns. In September, temperatures can range from a mild minimum of 7°C (45°F) to a scorching maximum of 35°C (95°F), with an average around 21°C (70°F). The month also sees a higher level of precipitation at 67 mm (2.6 in) over about 6 days, coupled with a humidity of 74%, creating a warm and somewhat humid atmosphere. In contrast, March presents a much cooler climate, with minimum temperatures dropping to -6°C (21°F) and an average of just 7°C (44°F). The maximum temperature reaches a comfortable 25°C (77°F), but with significantly lower precipitation at 17 mm (0.7 in) across only 3 days and a reduced humidity of 52%, it feels much drier. For more detailed insights into the weather during this month, check out Xiaotangshan weather in March.

September and April showcase quite different weather patterns. In September, temperatures range from a cool 7°C (45°F) at night to a warm average of 21°C (70°F), peaking at a hot 35°C (95°F) during the day. The month is characterized by higher humidity at 74% and around 67 mm (2.6 in) of precipitation over about six days. In contrast, April experiences cooler temperatures, with nighttime lows dropping to -3°C (28°F) and daytime averages around 14°C (58°F), while reaching a maximum of 34°C (93°F). Additionally, April has much lower precipitation, totaling only 20 mm (0.8 in) over just two days, and a more comfortable humidity level of 56%. For more detailed information, check out Xiaotangshan weather in April.

In comparing the weather of September and May, both months boast an average temperature of 21°C (70°F), creating a pleasant climate. However, September experiences a wider temperature range, with minimums reaching 7°C (45°F) and maximums peaking at 35°C (95°F), in contrast to May's minimum of 3°C (38°F) and maximum of 37°C (99°F). Additionally, September sees more rain, with 67 mm (2.6 in) of precipitation over 6 days, compared to May's relatively dry 23 mm (0.9 in) spread over just 3 days. Humidity levels are also higher in September at 74%, while May is more comfortable at 56%. For a detailed look at the weather specifics in May, you can visit Xiaotangshan weather in May.

In comparing the weather of September and June, we observe notable differences in temperature and humidity. September experiences a wider temperature range, with a minimum of 7°C (45°F) and a maximum reaching up to 35°C (95°F), resulting in an average temperature of 21°C (70°F). Conversely, June has a higher minimum temperature of 12°C (54°F) and can soar to a maximum of 40°C (104°F), averaging at 26°C (78°F). Additionally, September tends to be a bit wetter, with 67 mm (2.6 in) of precipitation over about 6 days compared to June's 46 mm (1.8 in) falling over 7 days. Humidity levels in September are slightly higher at 74%, while June has a relative humidity of 68%. For more details about June weather, check out Xiaotangshan weather in June.

When comparing the weather between July and September, it's clear that July tends to be hotter and wetter. July sees minimum temperatures of 15°C (60°F) and averages around 26°C (80°F), reaching a maximum of 39°C (102°F). Additionally, this month experiences significant rainfall, with an average precipitation of 226 mm (8.9 in) over 17 days and humidity levels at 78%. In contrast, September offers a more moderate climate, with minimum temperatures of 7°C (45°F), average temperatures around 21°C (70°F), and maximums reaching only 35°C (95°F). Rainfall is also reduced in September, with only 67 mm (2.6 in) falling over 6 days, while humidity hovers at a slightly lower 74%. For more detailed information on July weather, you can refer to Xiaotangshan weather in July.

September generally experiences cooler temperatures compared to August, with minimums dropping from 14°C (57°F) in August to 7°C (45°F) in September. The average temperature also decreases from 25°C (78°F) in August to 21°C (70°F) in September, although the maximums remain relatively close, peaking at 36°C (97°F) in August and 35°C (95°F) in September. Precipitation in September is significantly lower, with only 67 mm (2.6 in) recorded over 6 days, compared to August's 149 mm (5.9 in) on 12 days, indicating drier conditions as summer transitions to fall. Additionally, humidity levels see a slight decline from 83% in August to 74% in September, contributing to a more comfortable atmosphere. For a detailed look at August weather, visit Xiaotangshan weather in August.

September and October showcase a noticeable shift in weather patterns as summer transitions to autumn. In September, temperatures range from a mild 7°C (45°F) at night to a warm 35°C (95°F) during the day, with an average temperature of 21°C (70°F). The month sees around 67 mm (2.6 in) of precipitation over six days, accompanied by a humidity level of 74%. By October, the weather takes a cooler turn, with temperatures dropping to a minimum of -2°C (29°F) and an average of 12°C (54°F), while the maximum reaches 30°C (86°F). Precipitation decreases to 33 mm (1.3 in) over just four days, maintaining the same humidity level of 74%. For a more detailed look at October weather, you can check out Xiaotangshan weather in October.

September and November exhibit stark contrasts in weather conditions. September boasts a warm average temperature of 21°C (70°F) with highs reaching up to 35°C (95°F), accompanied by relatively high humidity at 74%. This month experiences approximately 67 mm (2.6 in) of precipitation over about six days, making it a wetter transition into autumn. In stark contrast, November presents a much cooler climate, with an average temperature of only 4°C (39°F) and minimum temperatures plummeting to -10°C (15°F). This month is drier, with only 16 mm (0.6 in) of precipitation across just two days and lower humidity at 58%. For those interested in the specific weather patterns, more detailed information can be found here: Xiaotangshan weather in November.

In September, the weather is significantly warmer, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 35°C (95°F), averaging around 21°C (70°F). This month typically sees around 67 mm (2.6 in) of precipitation over six days and maintains a high humidity level of 74%. In stark contrast, December experiences much colder conditions, with temperatures dipping as low as -15°C (5°F), averaging -3°C (27°F), and reaching a high of only 11°C (53°F). The precipitation drops dramatically to just 3 mm (0.1 in), with no days of rain, and humidity falls to 60%. For more detailed information, you can check out Xiaotangshan weather in December.

Compare Xiaotangshan's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Xiaotangshan

As September arrives in Xiaotangshan, the weather begins to transition, blending warmth with occasional freshness. This month typically brings a notable reduction in temperatures compared to the sweltering summer months, making it a delightful time for outdoor activities. While the average temperature hovers comfortably around 21°C, the remnants of summer can still be felt with maximums reaching up to 35°C. Humidity levels remain relatively high, contributing to a lush atmosphere, but the number of rainy days increases with about 67 mm of precipitation spread across just 6 days. This shift not only prepares the region for the cooler autumn months ahead but also enhances its scenic beauty. For more insights on this changing climate, explore Xiaotangshan Climate.