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September Weather in Weichang, China

Last updated: August 22, 2025

In September, the average temperature in Weichang, China hovers around 14°C (57°F). Expect a wide range, with a minimum of -2°C (28°F) and a maximum reaching 29°C (85°F). During this month, anticipate 68 mm (2.7 in) of precipitation over approximately 9 days, complemented by an average humidity of 75%.

September Temperature in Weichang

In September in Weichang, the average temperature is 14°C (57°F), with maximums reaching 29°C (85°F) and minimums dropping as low as -2°C (28°F). This variation in temperature makes it important for travelers to come prepared for both warm days and chilly nights.

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

The chart illustrates September temperature patterns in Weichang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Weichang, September typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (85°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec91432455564696657412611
Data source: Temperature data for Weichang 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 Weichang

In Weichang in September, the precipitation amount is 68 mm (2.7 in) spread over 9 days.

September Precipitation Trends in Weichang

The chart displays monthly precipitation patterns in Weichang, 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 Weichang, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec27193051611461206822163
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Weichang

In Weichang in September, humidity is 75%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket enveloping you, making outdoor activities somewhat uncomfortable and travel a bit sluggish, as the air feels heavy and the heat lingers close to your skin.

September Average Humidity in Weichang

This chart illustrates the average monthly humidity levels in Weichang, 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 Weichang is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec55%47%50%56%61%69%81%84%75%76%61%52%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Weichang

In Weichang in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Weichang.

Maximum UV Index Levels in Weichang for September

The chart shows the monthly maximum UV Index (UVI) for Weichang 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 Weichang typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468101011108632
Data source: Weichang 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 Weichang Compares to Other Months

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

This table compares monthly weather conditions in Weichang, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-13°C (9°F)2 mm (0.1 inches)55%low
February Weather-10°C (14°F)7 mm (0.3 inches)47%moderate
March Weather0°C (32°F)19 mm (0.8 inches)50%high
April Weather7°C (45°F)30 mm (1.2 inches)56%very high
May Weather13°C (56°F)51 mm (2.0 inches)61%very high
June Weather18°C (64°F)61 mm (2.4 inches)69%very high
July Weather20°C (69°F)146 mm (5.7 inches)81%extreme
August Weather19°C (66°F)120 mm (4.7 inches)84%very high
September Weather14°C (57°F)68 mm (2.7 inches)75%very high
October Weather5°C (41°F)22 mm (0.9 inches)76%high
November Weather-3°C (26°F)16 mm (0.6 inches)61%moderate
December Weather-12°C (11°F)3 mm (0.1 inches)52%low

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