September Weather in Xitou, China

Last updated: August 21, 2025

In September, Xitou, China, experiences a vibrant transition as summer draws to a close. With maximum temperatures soaring to 36°C (96°F) and an average of 25°C (77°F), the days remain warm, but the nights offer a refreshing drop to 15°C (59°F). This month brings 101 mm (4.0 in) of rain over 12 days, contributing to a humidity level of 72% that envelops the region in a lush, verdant atmosphere. Travelers can expect a mix of sunny spells and refreshing showers, making it a unique time to explore the natural beauty of Xitou.

September Temperature in Xitou

September in Xitou, China, marks a delightful transition into autumn, with temperatures reflecting a gradual cool-down from the summer heat. The minimum temperature settles at a comfortable 15°C (59°F), while the average climbs to a pleasant 25°C (77°F), allowing for ideal outdoor exploration. With a peak maximum of 36°C (96°F), early September can still feel warm, especially during the day, but as the month progresses, the days begin to cool, hinting at the approaching change of seasons. This month stands out as a perfect time to enjoy the tail end of summer warmth while witnessing the vibrant early autumn scenery.

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).
JanFebMarAprMayJunJulAugSepOctNovDec424555637176828376665645
Data source: Temperature data for Xitou 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 Xitou

September in Xitou, China, experiences a notable transition in precipitation patterns as the summer months give way to autumn. With 101 mm (4.0 in) of rainfall over 12 days, September sees a decrease compared to the preceding months, particularly the heavy rains of June and July, which often reach over 280 mm. This month marks a shift from the peak precipitation levels of summer, yet it still sustains a consistent pattern of wet days, providing vital moisture as the landscape prepares for cooler weather. As the rainfall tapers off, it sets the stage for the drier months ahead, notably October, which averages only 36 mm (1.4 in). This shift hints at the region's climatic transition and prepares the environment for a change in seasonal rhythms.

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.
JanFebMarAprMayJunJulAugSepOctNovDec7183207178246389285160101365861
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

As September rolls in, Xitou, China, experiences a notable decrease in UV intensity compared to the peak summer months. With a UV Index of 11, categorized as extreme, residents and visitors alike should be vigilant about sun exposure, as the recommended burn time is just 10 minutes. This follows a summer of consistently high UV levels, where the index remained at 12 for several months. Interestingly, the UV Index starts to dip in the subsequent months, falling to 9 in October, indicating a shifting trend as the region transitions into autumn. For those planning outdoor activities during this time, be sure to stay informed and take necessary precautions by checking the detailed data at 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.
JanFebMarAprMayJunJulAugSepOctNovDec679101212121211975
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

September in Xitou, China, offers a delightful transition into autumn with 258 hours of sunshine, making it one of the sunniest months of the year. Following the peak of summer, where August dazzles with an impressive 309 hours, September shows a slight decrease in sunlight yet remains significantly brighter than the winter months. This monthly dip reflects the natural ebb and flow of daylight as the seasons change, but with September still basking in over a quarter of the year’s total sunshine, it presents a perfect opportunity for outdoor exploration and enjoyment. The trend of increasing sunlight from January through August not only highlights Xitou's warm climate but also sets the stage for a gentle, golden autumn as the days gradually shorten.

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.
JanFebMarAprMayJunJulAugSepOctNovDec158h200h214h241h273h235h290h309h258h237h216h217h
Data source: Xitou September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Xitou During September

As September rolls around in Xitou, China, the likelihood of sunny weather increases, peaking at 56%, making it one of the most promising months for sunshine. This marks a noticeable resurgence from the low points of late spring and early summer, where the chances dipped to as low as 17%. Following the brighter days in January and December, September stands out for its inviting weather, refreshing after the drizzly summer months. As autumn approaches, residents and visitors alike can look forward to enjoying more sunny days, providing an ideal backdrop for outdoor activities and exploration.

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.
JanFebMarAprMayJunJulAugSepOctNovDec55%36%22%20%21%17%18%33%56%38%49%59%
Data source: Xitou September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Xitou in September

In Xitou, China, September marks a subtle transition as daylight begins to wane, offering approximately 12 hours of sunlight. Following the summer months, when daylight peaked at a generous 13 hours, this slight decrease is part of a gradual shift into autumn. Throughout the year, the daylight duration showcases an interesting rhythm; it starts at 10 hours in January, gently increasing to a high of 13 hours from May to August, before tapering back to 11 hours in October and returning to 10 hours by December. This cyclical pattern not only enriches Xitou's seasonal experience but also highlights the enchanting dance of daylight as the year progresses.

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 27m11h 7m11h 59m12h 52m13h 37m13h 59m13h 48m13h 9m12h 18m11h 25m10h 39m10h 16m
Data source: Xitou daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Xitou

As September unfolds in Xitou, China, the average wind speed gently settles at 1.8 m/s (4 mph), maintaining a tranquil atmosphere reminiscent of the late summer months. This slight dip from August, which recorded similar conditions, suggests a continuation of the calm that characterizes the transition into autumn. Notably, the winds begin to pick up later in the year, peaking in October with an increase to 2.5 m/s (6 mph). Overall, September showcases a blend of serene breezes, echoing the rhythm of nature as it shifts towards the brisker days ahead, making it a perfect time to embrace the beauty of this enchanting region.

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.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.12.02.01.81.62.31.71.8 m/s2.51.91.9
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, the weather is warm and humid, with temperatures ranging from a mild 15°C (59°F) to a scorching 36°C (96°F) and an average of 25°C (77°F). The month sees substantial rainfall, with 101 mm (4.0 in) over 12 days, contributing to a humidity level of 72%. In contrast, January experiences much cooler conditions, where temperatures can drop to a minimum of -6°C (21°F) and peak at a comfortable 22°C (72°F), averaging around 6°C (43°F). Precipitation is lower in January at 71 mm (2.8 in) over 9 days, accompanied by a somewhat drier atmosphere and a humidity of 65%. For more detailed insights on winter weather, you can check Xitou weather in January.

In comparing the weather of September and February, September showcases much warmer temperatures, with an average of 25°C (77°F) and highs reaching up to 36°C (96°F). It is characterized by a significant amount of precipitation, totaling 101 mm (4.0 in) over 12 days, alongside high humidity levels of 72%. In contrast, February presents a much cooler climate, starting with a minimum of -4°C (25°F) and an average temperature of 7°C (45°F). Although it's cooler, February still sees some moderate precipitation at 83 mm (3.3 in) across 11 days, with humidity slightly lower at 71%. For more detailed weather insights during this month, you can explore Xitou weather in February.

September and March exhibit contrasting weather conditions. In September, temperatures range from a mild 15°C (59°F) at night to a warm 36°C (96°F) during the day, with an average of 25°C (77°F). The month experiences a total precipitation of 101 mm (4.0 in) over 12 days, coupled with a humidity level of 72%. In contrast, March sees a significant drop in temperatures, with lows of 1°C (34°F) and daily highs reaching up to 29°C (84°F); the average temperature settles at 13°C (55°F). Moreover, March is wetter, receiving 207 mm (8.1 in) of rainfall over 16 days, and humidity levels rise to 81%. To explore more about the weather in March, check Xitou weather in March.

September and April present quite contrasting weather patterns. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 36°C (96°F), with an average of around 25°C (77°F). This month also sees relatively moderate precipitation of 101 mm (4.0 in) over about 12 days, accompanied by a humidity level of 72%.

In comparison, April experiences cooler temperatures, with a minimum of 4°C (39°F) and an average of 17°C (63°F), peaking at 32°C (90°F). Notably, April is wetter, with 178 mm (7.0 in) of rain spread across 14 days, and it features higher humidity at 86%. For a closer look at weather conditions in this month, check out Xitou weather in April.

September and May present distinct weather patterns. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 36°C (96°F), with an average of 25°C (77°F). Precipitation is relatively moderate at 101 mm (4.0 in) over about 12 days, while humidity stands at 72%. In contrast, May experiences cooler temperatures, with a minimum of 11°C (52°F), an average of 22°C (71°F), and a maximum of 34°C (94°F). May is also significantly wetter, with a total of 246 mm (9.7 in) of rainfall spread across 16 days and higher humidity at 87%. For a more detailed look at May weather, you can visit Xitou weather in May.

In comparing September and June weather, September typically offers a slightly warmer environment with average temperatures reaching 25°C (77°F), peaking at 36°C (96°F), while June has an average temperature of 24°C (76°F) and a maximum of 35°C (95°F). However, June is marked by significantly higher precipitation, with 389 mm (15.3 in) falling over 20 days, compared to September's 101 mm (4.0 in) over just 12 days. Additionally, humidity levels are notably higher in June at 87%, compared to 72% in September, making June feel more muggy. For a detailed look at the weather conditions in June, check out Xitou weather in June.

In comparing the weather between September and July, September offers a more moderate climate with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 36°C (96°F) and an average of 25°C (77°F). In contrast, July tends to be hotter, featuring a minimum of 20°C (68°F), an average of 28°C (82°F), and a peak temperature of 38°C (101°F). Additionally, July is significantly wetter, receiving 285 mm (11.2 in) of precipitation over 18 days, compared to September’s 101 mm (4.0 in) across 12 days. The humidity in July is also higher at 91%, while September has a more comfortable level of 72%. For more specific insights into July weather patterns, you can visit Xitou weather in July.

In comparing the weather of September and August, September experiences milder temperatures with a minimum of 15°C (59°F) and an average of 25°C (77°F), while August sees warmer conditions, featuring a minimum of 19°C (66°F) and an average of 28°C (83°F). The maximum temperatures also reflect this trend, with September peaking at 36°C (96°F) compared to August's higher maximum of 38°C (102°F). Furthermore, September has less precipitation at 101 mm (4.0 in) over 12 days, in contrast to August’s heavier rainfall of 160 mm (6.3 in) across 15 days. Humidity levels in September are lower at 72%, compared to August’s higher average of 87%. For a closer look at August weather patterns, you can check Xitou weather in August.

September brings warmer temperatures, with minimums around 15°C (59°F) and average highs reaching up to 36°C (96°F). The month also sees considerable precipitation, totaling 101 mm (4.0 in) over 12 days, paired with a humidity level of 72%. In contrast, October experiences a notable drop in temperatures, with a minimum of 7°C (45°F) and an average of 19°C (66°F), although maximums can still reach 35°C (94°F). Precipitation decreases significantly to 36 mm (1.4 in) over just 5 days, while humidity slightly rises to 74%. For more detailed information, check out Xitou weather in October.

September and November present striking contrasts in weather. In September, temperatures are significantly warmer, ranging from a minimum of 15°C (59°F) to a maximum of 36°C (96°F), with an average of 25°C (77°F). This month also experiences higher rainfall, with 101 mm (4.0 in) of precipitation over 12 days and humidity at 72%. In contrast, November sees much cooler temperatures, with a minimum of 2°C (35°F), an average of 13°C (56°F), and a maximum of 26°C (80°F). Precipitation decreases to 58 mm (2.3 in) over 10 days, and while humidity rises slightly to 80%, the overall feel is much crisper. For those curious about local conditions, check out Xitou weather in November.

September and December present starkly contrasting weather conditions. In September, temperatures soar with a minimum of 15°C (59°F) and an average of 25°C (77°F), reaching highs of 36°C (96°F). The month is characterized by higher humidity at 72% and significant rainfall, totaling 101 mm (4.0 in) over 12 days. In contrast, December experiences much cooler temperatures, with a minimum of -4°C (25°F) and an average of only 7°C (45°F), capped at a maximum of 20°C (69°F). Additionally, precipitation decreases to 61 mm (2.4 in) across 8 days, and humidity rises slightly to 78%. For more details on December weather, you can check Xitou weather in December.

Compare Xitou's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Xitou

As summer wanes, September in Xitou brings a notable transition in weather. With comfortable average temperatures around 25°C and occasional peaks reaching up to 36°C, the month offers a blend of warmth tempered by cooler evenings. Though rainfall is prevalent, with 101 mm spread across approximately 12 days, it contributes to the lush greenery that defines this scenic region. The humidity level remains relatively high at 72%, creating a vibrant atmosphere. As you embrace the shifting seasons, discover more about what to expect throughout the year in our detailed overview here: Xitou Climate.