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September Weather in Xiushan, China

Last updated: August 22, 2025

In Xiushan, China, the average temperature in September hovers around 21°C (69°F). Temperatures can dip to a cool 13°C (55°F) and peak at a warm 29°C (85°F). Expect around 123 mm (4.9 in) of precipitation over 20 days, contributing to an average humidity of 81%.

September Temperature in Xiushan

In September in Xiushan, the average temperature is 21°C (69°F). Maximum temperatures can reach 29°C (85°F), while minimum temperatures can drop to as low as 13°C (55°F). This climate makes Xiushan an ideal destination for travelers looking to enjoy mild and comfortable weather during their visit.

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

The chart illustrates September temperature patterns in Xiushan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xiushan, September typically has an average temperature of 21°C (69°F), with highs reaching up to 29°C (85°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec535563667173717169645953
Data source: Temperature data for Xiushan 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 Xiushan

In Xiushan in September, the precipitation amount is 123 mm (4.9 in) during a period of 20 days.

September Precipitation Trends in Xiushan

The chart displays monthly precipitation patterns in Xiushan, 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 Xiushan, September typically receives around 123 mm (4.9 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec4121308160140243232123832928
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xiushan

In Xiushan in September humidity is 81%. With an average temperature of 21°C (69°F), this humidity feels like a warm, enveloping blanket that's both heavy and sticky, making outdoor activities feel more strenuous and travel slightly uncomfortable.

September Average Humidity in Xiushan

This chart illustrates the average monthly humidity levels in Xiushan, 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 Xiushan is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec57%67%58%53%69%83%90%90%81%75%74%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xiushan

In Xiushan in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Xiushan.

Maximum UV Index Levels in Xiushan for September

The chart shows the monthly maximum UV Index (UVI) for Xiushan 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 Xiushan typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121315141514131297
Data source: Xiushan 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.

How September Weather in Xiushan Compares to Other Months

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

This table compares monthly weather conditions in Xiushan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (53°F)41 mm (1.6 inches)57%very high
February Weather13°C (55°F)21 mm (0.8 inches)67%very high
March Weather17°C (63°F)30 mm (1.2 inches)58%extreme
April Weather19°C (66°F)81 mm (3.2 inches)53%extreme
May Weather22°C (71°F)60 mm (2.3 inches)69%extreme
June Weather23°C (73°F)140 mm (5.5 inches)83%extreme
July Weather22°C (71°F)243 mm (9.6 inches)90%extreme
August Weather22°C (71°F)232 mm (9.1 inches)90%extreme
September Weather21°C (69°F)123 mm (4.9 inches)81%extreme
October Weather18°C (64°F)83 mm (3.3 inches)75%extreme
November Weather15°C (59°F)29 mm (1.1 inches)74%very high
December Weather12°C (53°F)28 mm (1.1 inches)69%high

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