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September Weather in Donglai, China

Last updated: August 22, 2025

In September, the average temperature in Donglai, China hovers around 15°C (60°F), making it a pleasant time to visit. However, be prepared for a temperature range that can dip to a cool 0°C (32°F) and rise to a warm 29°C (84°F). Expect some rain, with an average precipitation of 103 mm (4.1 in) spread over 11 days, and take note of the high humidity, averaging 83%.

September Temperature in Donglai

In September in Donglai, the average temperature is 15°C (60°F), with maximums reaching up to 29°C (84°F) and minimums dipping as low as 0°C (32°F). This makes Donglai an ideal destination for travelers seeking mild weather with a chance to experience both warm and cool conditions.

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

The chart illustrates September temperature patterns in Donglai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Donglai, September typically has an average temperature of 15°C (60°F), with highs reaching up to 29°C (84°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec5123145566573706044289
Data source: Temperature data for Donglai 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 Donglai

In Donglai in September, the precipitation amount is 103 mm (4.1 in) spread over 11 days.

September Precipitation Trends in Donglai

The chart displays monthly precipitation patterns in Donglai, 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 Donglai, September typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec12263350106110111276103695722
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Donglai

In Donglai in September humidity is 83%. With an average temperature of 15°C (60°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable and sticky, as the air clings to your skin and dampens your clothes.

September Average Humidity in Donglai

This chart illustrates the average monthly humidity levels in Donglai, 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 Donglai is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%72%65%67%74%83%88%90%83%85%73%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Donglai

In Donglai 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 Donglai.

Maximum UV Index Levels in Donglai for September

The chart shows the monthly maximum UV Index (UVI) for Donglai 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 Donglai typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246891010108632
Data source: Donglai 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 Donglai Compares to Other Months

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

This table compares monthly weather conditions in Donglai, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-15°C (6°F)12 mm (0.5 inches)76%low
February Weather-11°C (12°F)26 mm (1.0 inches)71%moderate
March Weather-1°C (31°F)33 mm (1.3 inches)65%high
April Weather7°C (46°F)50 mm (2.0 inches)67%very high
May Weather13°C (56°F)106 mm (4.2 inches)74%very high
June Weather18°C (65°F)110 mm (4.3 inches)83%very high
July Weather23°C (73°F)110 mm (4.3 inches)88%very high
August Weather21°C (71°F)276 mm (10.9 inches)90%very high
September Weather15°C (60°F)103 mm (4.1 inches)83%very high
October Weather7°C (44°F)69 mm (2.7 inches)85%high
November Weather-2°C (29°F)57 mm (2.3 inches)73%moderate
December Weather-13°C (10°F)22 mm (0.9 inches)74%low

Compare Donglai's Climate with Cities Worldwide