September Weather in Xitou, China

Last updated: August 21, 2025

In Xitou, China, September showcases a blend of warmth and moisture, with temperatures ranging from a maximum of 37°C (99°F) to a comfortable average of 24°C (76°F), while dipping to a refreshing minimum of 13°C (56°F) at night. This month experiences approximately 98 mm (3.9 in) of rainfall distributed over 10 days, contributing to a humidity level of 72%. With the lush landscapes coming to life, September offers a vibrant backdrop for exploration and outdoor activities in this picturesque region.

September Temperature in Xitou

In September, Xitou experiences a delightful transition into autumn, with temperatures reflecting a comfortable blend of summer warmth and crispness. The minimum temperature settles at a mild 13°C (56°F), while the average climbs to a pleasant 24°C (76°F), making it an ideal time for outdoor activities. As days progress, the maximum can reach a vigorous 37°C (99°F), reminiscent of the lingering summer heat, yet this month also marks a gradual cool-down that sets the stage for the cooler October ahead. This trend of declining temperatures, paired with a shift in the landscape as foliage begins to change, creates a picturesque setting that invites exploration and appreciation of nature’s beauty in Xitou.

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

The chart illustrates September temperature patterns in Xitou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xitou, 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).
JanFebMarAprMayJunJulAugSepOctNovDec414454627176828376655544
Data source: Temperature data for Xitou 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 Xitou

In September, Xitou, China experiences a moderate rainfall of 98 mm (3.9 in) over approximately 10 days, marking a transition from the summer's heavy downpours to a more gentle autumn climate. This is notably less than the peak precipitation of 343 mm (13.5 in) in June, yet it maintains a comfortable moisture level for the region’s lush landscapes. As the month progresses, the rainfall begins to taper off, setting the stage for drier months ahead, such as October with only 34 mm (1.3 in) of expected precipitation. This trend reflects a broader seasonal shift, highlighting September as a pivotal month when the vibrant summer transforms into the tranquil beauty of fall.

September Precipitation Trends in Xitou

The chart displays monthly precipitation patterns in Xitou, 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 Xitou, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec767815112317234327013498344861
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xitou

In September, Xitou, China experiences a significant decrease in humidity, dipping to 72%, a refreshing shift after the sweltering summer months where humidity peaked at 91% in July. The high humidity levels from April through August, hovering between 86% and 91%, create a lush, green landscape, but as fall approaches, the air becomes notably less oppressive. This transition marks the beginning of a gradual rise again as October sees humidity slightly increase to 74%. Such seasonal fluctuations reflect the region's unique climate dynamics, with September offering a brief respite before heading back into the wetter months ahead.

September Average Humidity in Xitou

This chart illustrates the average monthly humidity levels in Xitou, 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 Xitou is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%71%81%86%87%87%91%87%72%74%80%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xitou

In September, Xitou, China, experiences a UV Index of 11, placing it in the extreme exposure category, with a burn time of just 10 minutes. This reflects a slight decrease from the peak UV levels observed during the summer months, which maintained an intense index of 12 from May to August. However, the UV intensity remains high as autumn approaches, underscoring the importance of sun protection in this region. Notably, the transition from summer to fall often sees consistent UV levels, making September still a critical month for UV safety. For more detailed insights, check out the Xitou UV Index.

Maximum UV Index Levels in Xitou for September

The chart shows the monthly maximum UV Index (UVI) for Xitou 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 Xitou typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679101212121211965
Data source: Xitou 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 Xitou

In September, Xitou, China, basks in a generous 254 hours of sunshine, a delightful continuation of the warmer months. As summer fades, the sunlight begins to wane slightly from the peak of 307 hours in August, yet September still shines brightly compared to the earlier months of the year. The gradual increase in sunlight from 151 hours in January to September's count highlights the region's transition from the cold winter months to the vibrant energy of late summer and early autumn. This trend emphasizes a clear pattern of increasing sunlight, peaking in the summer and tapering off into autumn, creating a charming backdrop for visitors and locals to enjoy the seasonal changes in Xitou.

Monthly Sunshine Duration in Xitou: September Highlighted

The September sunshine duration represents the total number of hours Xitou 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.
JanFebMarAprMayJunJulAugSepOctNovDec151h197h213h246h276h246h291h307h254h234h215h212h
Data source: Xitou September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Xitou During September

As summer fades into early autumn, Xitou, China, welcomes September with a promising 53% chance of sunny weather, making it one of the brighter months of the year. This slight increase in sunshine follows a pattern where sunlight tends to wane during the sweltering heat of July and August, both dipping to 17% and 33% respectively. Interestingly, the sunny disposition of September is a pleasant transition, not just a seasonal shift, as it leads into October's 39% chance of sun. The overall trend showcases a gradual ebb and flow of sunshine throughout the year, with September standing out as a lovely time to enjoy the picturesque surroundings of Xitou.

Percentage of Sunny Days in September in Xitou

The chart illustrates the percentage of sunny days in Xitou 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 Xitou experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec52%36%22%23%23%20%17%33%54%39%47%63%
Data source: Xitou September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Xitou in September

As September unfolds in Xitou, China, the balance of daylight begins to shift, offering a snug retreat into autumn. With around 12 hours of sunlight each day, the month marks a gentle decline from the longer, sun-drenched days of summer, reflecting a natural rhythm as daytime gradually shortens. This decrease follows the peak of 14 hours in June, illustrating a pattern of diminishing daylight that will continue into the coming months. The transition from the vibrant fullness of summer to the softer light of early fall sets a tranquil stage for the scenic beauty of Xitou, inviting both reflection and appreciation of nature's cyclical wonders.

Average Daylight Hours in Xitou for September

The chart illustrates the variation in daylight duration in Xitou throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 26m11h 6m11h 59m12h 53m13h 39m14h 1m13h 50m13h 10m12h 18m11h 24m10h 38m10h 14m
Data source: Xitou daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Xitou

In September, Xitou, China experiences a soft, refreshing breeze with an average wind speed of 1.7 m/s (approximately 4 mph). This month marks a slight rise from the calmness of the summer, where winds dipped as low as 1.5 m/s in both June and August. Interestingly, while wind speeds are generally modest throughout the year, a notable uptick occurs in July at 2.2 m/s, followed by an increased flow in October at 2.1 m/s. As the seasons transition, September serves as a gentle reminder of the changing climate, where the winds begin to dance ever so slightly, heralding the approach of autumn.

Average September Wind Speed in Xitou

The chart displays monthly wind speed patterns in Xitou, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.81.81.81.71.52.21.51.7 m/s2.11.81.9
Data source: Xitou September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Xitou Compares to Other Months

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

In September, temperatures in Xitou range from a pleasant minimum of 13°C (56°F) to a scorching maximum of 37°C (99°F), with an average around 24°C (76°F). The month is characterized by higher humidity levels at 72% and significant precipitation, totaling 98 mm (3.9 in) over about 10 days. In contrast, January experiences much cooler weather, with minimum temperatures dipping to -8°C (18°F) and a maximum of only 21°C (70°F), averaging around 5°C (41°F). January also sees reduced precipitation at 76 mm (3.0 in), but with a little lower humidity of 65%. For more detailed insights on January weather, check Xitou weather in January.

In September, the weather is significantly warmer, with average temperatures reaching around 24°C (76°F) and peak highs soaring up to 37°C (99°F). This month also experiences considerable rainfall, totaling 98 mm (3.9 in) over about 10 days, while humidity remains relatively high at 72%. In contrast, February brings a much cooler climate with average temperatures around 7°C (44°F) and lows dropping to -3°C (26°F). Although it's generally drier, February still sees 78 mm (3.1 in) of precipitation over 11 days, with humidity slightly lower at 71%. For more details on February weather specifics, you can refer to Xitou weather in February.

September and March present contrasting weather patterns, highlighting a shift in seasonal temperature and precipitation. In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 37°C (99°F), with an average of 24°C (76°F), making it generally warmer. Conversely, March experiences cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 28°C (83°F), averaging just 12°C (54°F).

Precipitation is also significant in both months; however, March sees a higher total of 151 mm (5.9 in) spread across 15 days, compared to September's 98 mm (3.9 in) over 10 days. The humidity peaks in March at 81%, slightly more than September's 72%. For a detailed look at how the weather unfolds in March, visit Xitou weather in March.

September and April present distinctly different weather patterns. In September, temperatures range from a mild 13°C (56°F) at night to a sweltering 37°C (99°F) during the day, with an average of 24°C (76°F). The month sees about 98 mm (3.9 in) of precipitation over roughly 10 days, accompanied by a humidity level of 72%. In contrast, April's weather features cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 32°C (89°F), averaging 17°C (63°F). Rainfall is slightly higher in April at 123 mm (4.9 in) over about 12 days, and humidity increases to 86%. For more specifics on April weather, you can check Xitou weather in April.

In September, the weather typically features a comfortable average temperature of 24°C (76°F), with daytime highs reaching up to 37°C (99°F). This month sees a moderate amount of precipitation at 98 mm (3.9 in) over about 10 days, along with a relative humidity of 72%. In contrast, May is cooler on average, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 35°C (95°F), and an average of 22°C (71°F). However, May experiences significantly higher rainfall, with 172 mm (6.8 in) spread across 14 days and a higher humidity level of 87%. For a detailed overview of the weather in this month, you can refer to Xitou weather in May.

When comparing the weather in September and June, both months have similar average temperatures, hovering around 24°C (76°F). However, September features slightly warmer minimum and maximum temperatures, reaching up to 37°C (99°F), compared to June’s peak of 35°C (95°F). In terms of precipitation, June significantly outpaces September, with 343 mm (13.5 in) falling over 18 days, while September sees only 98 mm (3.9 in) across 10 days. Additionally, June's humidity levels are higher at 87%, compared to September's 72%. For a closer look at the conditions during this time, check out Xitou weather in June.

When comparing the weather in September and July, several notable differences emerge. September boasts a temperature range that is generally cooler, with minimums around 13°C (56°F) and averages of 24°C (76°F), peaking at 37°C (99°F). In contrast, July experiences higher temperatures, with a minimum of 19°C (67°F) and an average of 28°C (82°F), reaching up to 39°C (102°F). Precipitation also varies significantly; September records 98 mm (3.9 in) over 10 days, while July sees a much wetter month with 270 mm (10.6 in) across 17 days. Additionally, the humidity in July is notably higher at 91%, compared to September's 72%. For a more detailed look at the climate specifics, check out Xitou weather in July.

In comparison to August, September experiences a notable decrease in both average temperature and humidity. While August boasts an average temperature of 28°C (83°F) and higher humidity at 87%, September's average temperature drops to 24°C (76°F) with humidity at 72%. Additionally, August has more precipitation, totaling 134 mm (5.3 in) over 12 days, compared to September's 98 mm (3.9 in) over 10 days. Despite both months reaching similar maximum temperatures of around 37°C (99°F for September and 100°F for August), September delivers somewhat more comfortable conditions. For a closer look at August weather patterns, check out Xitou weather in August.

September generally sees much warmer temperatures compared to October, with minimums averaging around 13°C (56°F) and maximums peaking at 37°C (99°F). In contrast, October's temperatures drop significantly, boasting a minimum of just 7°C (44°F) and an average high of 34°C (94°F). Precipitation in September is notably higher at 98 mm (3.9 in) over about 10 days, while October experiences reduced rainfall at 34 mm (1.3 in) over just 6 days. Humidity remains relatively consistent, slightly rising from 72% in September to 74% in October. For more specific details, check out the Xitou weather in October.

September and November present contrasting weather conditions. In September, temperatures soar with a minimum of 13°C (56°F) and an average high of 24°C (76°F), reaching extremes of up to 37°C (99°F). This month also sees relatively high humidity at 72% and substantial rainfall of 98 mm (3.9 in) over 10 days. In contrast, November experiences a significant drop in temperatures, with minimums falling to 1°C (35°F) and an average of 13°C (55°F), peaking at 26°C (80°F). The precipitation decreases to 48 mm (1.9 in) over 9 days, while humidity rises slightly to 80%. For a more detailed look at the November weather, check out Xitou weather in November.

September and December present stark contrasts in weather patterns. In September, temperatures range from a minimum of 13°C (56°F) to a sweltering maximum of 37°C (99°F), with an average of 24°C (76°F). The month sees significant precipitation, totaling 98 mm (3.9 in) over 10 days, coupled with a humidity level of 72%. In contrast, December experiences much colder temperatures, with a minimum of -4°C (24°F), an average of 7°C (44°F), and a maximum of 20°C (68°F). Precipitation decreases to 61 mm (2.4 in) over just 8 days, while humidity rises to 78%. For a detailed overview, check out the Xitou weather in December.

Compare Xitou's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Xitou

As September arrives in Xitou, the weather undergoes a noticeable transformation from the sweltering peak of summer. Balancing between warm days and cooler nights, this month offers a refreshing average temperature that is significantly more comfortable than the scorching highs experienced earlier. While the chance of rainfall increases, with ten days of precipitation throughout the month, the average humidity remains a moderate 72%, making the air feel lush yet pleasant. This mix of warmth and moisture sets September apart as a transitional period, inviting visitors to enjoy the vibrant scenery in a more temperate atmosphere. For a deeper look at the weather patterns, check out the detailed information on Xitou Climate.