September Weather in Xicheng, China

Last updated: August 21, 2025

September in Xicheng, China offers a warm embrace, with maximum temperatures soaring up to 36°C (98°F) and an average hovering around 25°C (77°F). As the month progresses, nights become cooler, dipping to a comfortable 16°C (62°F). While the region experiences moderate humidity levels at 70%, it also faces 10 days of precipitation, accumulating around 97 mm (3.8 in), making for a dynamic weather experience. This blend of warmth and occasional rain makes September a unique time in Xicheng, ideal for both exploration and relaxation.

September Temperature in Xicheng

In September, Xicheng, China, experiences a delightful transition into autumn, characterized by pleasantly warm days and a crispness that hints at the cooler months ahead. With minimum temperatures around 16°C (62°F) and averages reaching 25°C (77°F), it remains comfortably mild compared to the sweltering heat of July and August. The maximum temperatures can peak at 36°C (98°F), offering a few last bursts of summer warmth before the air begins to cool significantly in October. This month serves as a bridge, showcasing a gradual decline in temperatures while retaining enough warmth to enjoy outdoor activities. Overall, September in Xicheng presents an inviting climate that perfectly balances warmth and coolness, making it an ideal time for exploration.

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

The chart illustrates September temperature patterns in Xicheng, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xicheng, 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).
JanFebMarAprMayJunJulAugSepOctNovDec414555647279838477655645
Data source: Temperature data for Xicheng generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Xicheng

In September, Xicheng experiences a notable transition in its precipitation patterns, with 97 mm (3.8 in) of rainfall spread over 10 days. This marks a decrease from the lush summer months, where June and July boast the highest rainfall, yet still indicates a significant level of moisture compared to the drier autumn and winter months ahead. With the lingering effects of summer rains, this month's precipitation allows for a gradual easing into the cooler, crisper air of October, setting the stage for the seasonal shift. As the rainfall begins to taper off, it complements the gradual reduction in days of rain, promoting a sense of balance as nature prepares for the colder season.

September Precipitation Trends in Xicheng

The chart displays monthly precipitation patterns in Xicheng, 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 Xicheng, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec47469612217421419414097644525
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xicheng

In September, Xicheng experiences a notable dip in humidity, dropping to 70%, which is the lowest level since April. This decline marks a transition from the summer's sweltering months, where humidity peaked at 88% in July. The overall trend in humidity throughout the year shows a pattern of high moisture during the warmer months, particularly from March to August, while autumn months like September begin to offer a reprieve from the suffocating humidity. As the region moves into October, humidity rises again to 77%, hinting at the gradual approach of winter, yet still significantly lower than the oppressive summer highs. This seasonal fluctuation provides a refreshing contrast, making September a more comfortable time in Xicheng.

September Average Humidity in Xicheng

This chart illustrates the average monthly humidity levels in Xicheng, 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 Xicheng is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%78%87%85%82%84%88%84%70%77%84%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xicheng

As summer transitions into fall, September in Xicheng, China presents a noteworthy UV Index of 10, placing it in the very high exposure category. This index marks a slight decrease from the extreme levels seen during the peak of summer, yet caution remains essential—residents and visitors should be mindful of a burn time of only 15 minutes. This trend reflects a gradual cooling of solar intensity as the month progresses, following the extreme highs of July and August, which reached indices of 12 and 11, respectively. As we move towards October, the UV Index begins to taper off, yet it’s important to stay informed about the changing levels. For detailed insights and updates, refer to the comprehensive Xicheng UV Index.

Maximum UV Index Levels in Xicheng for September

The chart shows the monthly maximum UV Index (UVI) for Xicheng 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 Xicheng typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101011121110964
Data source: Xicheng 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 Xicheng

September in Xicheng, China, showcases a beautiful blend of sunshine as the city basks in 257 hours of bright skies, a vibrant prelude to the autumn months. This marks a notable decline from the sun-drenched heights of 311 hours in August but still surpasses many earlier months, underlining a trend where summer peaks gradually yield to milder fall days. As the year progresses, sunlight hours typically ebb from their summer zenith, providing a picturesque backdrop for the changing leaves and cultural festivities. The transition to October, which sees a further dip to 216 hours, suggests a rhythmic ebb and flow of daylight that invites both reflection and celebration in this charming locale.

Monthly Sunshine Duration in Xicheng: September Highlighted

The September sunshine duration represents the total number of hours Xicheng 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.
JanFebMarAprMayJunJulAugSepOctNovDec176h220h237h239h272h275h303h311h257h216h218h224h
Data source: Xicheng September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Xicheng During September

In Xicheng, China, September emerges as a standout month for sunny weather, boasting a 58% chance of sunshine. This increase marks a notable shift from the summer months, where the likelihood hovered below 35%, and contrasts sharply with the preceding spring, characterized by much gloomier prospects. As autumn approaches, the perception of sun also shifts, suggesting a welcomed return to brightness after the relatively overcast stretch earlier in the year. The trend points towards September being a prime time for those seeking outdoor activities under clear skies, setting the stage for a delightful transition into the more temperate climate of October. With a refreshing boost in sunshine, September invites residents and visitors alike to bask in the warmth before winter settles in.

Percentage of Sunny Days in September in Xicheng

The chart illustrates the percentage of sunny days in Xicheng 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 Xicheng experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%40%24%14%21%25%31%30%58%33%49%55%
Data source: Xicheng September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Xicheng in September

As September arrives in Xicheng, China, the daylight begins to softly wane, offering approximately 12 hours of sunlight. This decline marks a shift from the peak brightness of summer months, where June basked in 14 hours of daylight. Following this peak, August holds steady with 13 hours, but as autumn approaches, September gently transitions into shorter days, resembling the more subdued light of October and November, each with 11 and 10 hours respectively. This gradual tapering not only signals the onset of cooler weather but also reflects a natural rhythm, highlighting the fluidity of seasonal change as daylight retreats towards winter’s embrace.

Average Daylight Hours in Xicheng for September

The chart illustrates the variation in daylight duration in Xicheng throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 25m11h 6m11h 59m12h 54m13h 39m14h 2m13h 51m13h 11m12h 19m11h 24m10h 37m10h 13m
Data source: Xicheng daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Xicheng

As September sweeps across Xicheng, China, the winds begin to pick up a gentle rhythm, maintaining an average speed of 2.7 m/s (6 mph). This consistent breeze mirrors the transition from summer to autumn, echoing a slight decrease from the peak warmth of the previous months. Interestingly, this month’s wind speed aligns closely with February, March, and July, creating a stable** mid-range** ambiance that invites outdoor activities. As the days progress, the winds will gradually intensify, previewing the brisk gusts of October, which may reach an average of 3.7 m/s (8 mph). Thus, September serves as a harmonious bridge, ushering in the refreshing coolness that autumn promises.

Average September Wind Speed in Xicheng

The chart displays monthly wind speed patterns in Xicheng, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.72.92.82.62.32.72.62.7 m/s3.72.62.5
Data source: Xicheng September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Xicheng Compares to Other Months

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

September and January present strikingly different weather conditions. In September, temperatures range from a mild 16°C (62°F) at night to a scorching 36°C (98°F) during the day, with an average temperature of 25°C (77°F). The month also experiences significant rainfall, with around 97 mm (3.8 in) over approximately 10 days, contributing to a humidity level of 70%. In contrast, January brings a much colder climate, with temperatures dropping to a minimum of -5°C (23°F) and peaking at 19°C (67°F), while the average temperature is only 5°C (41°F). Precipitation in January is lower at 47 mm (1.8 in) over 6 days and humidity increases slightly to 74%. For a more detailed look at the January climate, visit Xicheng weather in January.

September and February offer strikingly different weather experiences. In September, temperatures can soar from a minimum of 16°C (62°F) to a maximum of 36°C (98°F), with an average temperature around 25°C (77°F). This month is characterized by significant rainfall, with approximately 97 mm (3.8 in) of precipitation over 10 days and humidity levels at 70%. In contrast, February presents a chillier climate, where temperatures can drop as low as -3°C (27°F) and warm up to just 27°C (80°F), averaging around 7°C (46°F). Precipitation is less frequent, totaling about 46 mm (1.8 in) over the same number of days, but humidity remains higher at 77%. For more specific details on February weather, you can visit Xicheng weather in February.

September and March showcase notable differences in weather conditions, demonstrating the transition from summer to autumn in one and late winter to early spring in the other. In September, temperatures range from a mild 16°C (62°F) at night to a hot 36°C (98°F) during the day, with an average of 25°C (77°F). This month also experiences relatively high humidity at 70% and receives about 97 mm (3.8 in) of precipitation over 10 days. In contrast, March features cooler temperatures, with a minimum of 3°C (38°F), an average of 13°C (56°F), and a maximum of 29°C (84°F). The precipitation is nearly the same at 96 mm (3.8 in), but it occurs over a slightly longer span of 12 days, accompanied by higher humidity at 87%. For a more detailed look at March weather conditions, you can check Xicheng weather in March.

In comparing the weather of September and April, we can see notable differences. September boasts warmer temperatures, with a minimum of 16°C (62°F) and a maximum reaching as high as 36°C (98°F), while April starts much cooler, with temperatures ranging from a low of 6°C (44°F) to a high of 32°C (90°F). Additionally, September experiences an average temperature of 25°C (77°F) compared to April's average of 18°C (64°F).

However, April receives slightly more precipitation, totaling 121 mm (4.8 in) over 11 days, contrasted with September's 97 mm (3.8 in) over 10 days. The humidity is also higher in April, averaging around 85%, compared to September's 70%. For more detailed insights on weather during this season, you can visit Xicheng weather in April.

In comparing the weather of September and May, we observe some notable differences. September tends to be warmer with an average temperature of 25°C (77°F), compared to May's cooler average of 22°C (73°F). Both months reach a high of 36°C (96°F/98°F), but September experiences a slightly lower humidity level at 70%, while May is more humid at 82%. Rainfall also varies, with May receiving more precipitation at 174 mm (6.8 in) over 13 days, compared to September's 97 mm (3.8 in) over 10 days. For more details on the weather in May, you can visit Xicheng weather in May.

September weather is characterized by slightly cooler temperatures, with an average of 25°C (77°F) compared to June's average of 26°C (79°F). Both months experience maximum temperatures reaching 36°C (96-98°F), but June tends to be more humid at 84%, while September's humidity is somewhat lower at 70%. Precipitation also varies between the two months, with September receiving 97 mm (3.8 in) over 10 days, whereas June sees significantly more rain, totaling 214 mm (8.4 in) across 14 days. For more detailed information, you can check Xicheng weather in June.

In comparing the weather between September and July, we see notable differences in temperature, precipitation, and humidity. September experiences a milder temperature range, with a minimum of 16°C (62°F) and a maximum of 36°C (98°F), whereas July is typically warmer, with a minimum of 21°C (70°F) and a maximum of 38°C (100°F). Additionally, September receives less rainfall, averaging 97 mm (3.8 in) over about 10 rainy days compared to July's much higher precipitation of 193 mm (7.6 in) spread across approximately 14 days. Furthermore, July tends to be more humid, with humidity levels around 88%, in contrast to September's 70% humidity. For more detailed insights into July's weather, you can refer to Xicheng weather in July.

In comparing the weather between August and September, it’s evident that September experiences a slightly cooler temperature range. While August's average temperature peaks at 29°C (85°F) with a maximum of 38°C (100°F) and a higher humidity level of 84%, September offers milder conditions with an average of 25°C (77°F) and a maximum of 36°C (98°F). However, September also sees an increase in precipitation compared to August, with 97 mm (3.8 in) falling over 10 days, compared to August's 140 mm (5.5 in) over 15 days. For a detailed look at August conditions, you can check the following link: Xicheng weather in August.

September typically experiences warmer temperatures, with averages around 25°C (77°F) and maximums reaching up to 36°C (98°F). In contrast, October sees a significant drop in average temperatures to 18°C (65°F), with minimums around 10°C (51°F). Both months have a similar high temperature of 36°C (97°F), but October is characterized by lower overall warmth and slightly higher humidity at 77%, compared to September's 70%. Additionally, while September receives more precipitation at 97 mm (3.8 in) over 10 days, October has less rainfall at 64 mm (2.5 in) across 9 days. For more detailed insights into the weather in October, you can visit Xicheng weather in October.

September weather in Xicheng is characterized by warmer temperatures, with a minimum of 16°C (62°F) and an average high reaching 36°C (98°F). The month experiences significant rainfall, totaling 97 mm (3.8 in) over about 10 days, along with a humidity level of 70%. In contrast, November sees much cooler temperatures, with a minimum of just 3°C (38°F) and an average of 14°C (57°F). Precipitation decreases to 45 mm (1.8 in) over approximately 8 days, while humidity rises to 84%. For a detailed comparison, you can review Xicheng weather in November.

In September, the weather is significantly warmer, with average temperatures reaching up to 25°C (77°F) and maximums soaring to 36°C (98°F). It tends to be humid, with humidity levels around 70% and precipitation occurring on about 10 days, totaling 97 mm (3.8 in). In stark contrast, December is much cooler, characterized by average temperatures around 7°C (45°F) and maximums only reaching 19°C (66°F). The month experiences less precipitation, with just 25 mm (1.0 in) over 6 days, although humidity rises slightly to 80%. For more detailed weather insights, you can check Xicheng weather in December.

Compare Xicheng's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Xicheng

As September unfolds in Xicheng, it marks a notable transition in the weather compared to other months. The warm temperatures, with highs reaching 36°C, create a lingering summer atmosphere while the average cooling down to a comfortable 25°C provides relief. However, this month is also characterized by increased humidity and a significant amount of precipitation over roughly one-third of the days, shifting the landscape from the dry heat of peak summer. While the days may start to feel milder, the occasional rain showers remind residents that autumn is on the horizon, making it a unique interlude in the annual climate cycle. For a deeper dive into the seasonal variations and trends, visit Xicheng Climate.