September Weather in Dongwan, China

Last updated: August 22, 2025

In September, the average temperature in Dongwan, China is 14°C (58°F). Expect a chill with minimums dropping to 1°C (34°F), while the mercury can rise to a pleasant 29°C (85°F). During this time, you'll likely experience 52 mm (2.1 in) of precipitation over about 10 days, accompanied by an average humidity of 49%.

September Temperature in Dongwan

In September in Dongwan, the average temperature is 14°C (58°F). The maximum can reach 29°C (85°F), and the minimum can be as low as 1°C (34°F). It's a great time to visit for those who enjoy mild weather with a chance of warm days and crisp evenings.

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

The chart illustrates September temperature patterns in Dongwan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dongwan, September typically has an average temperature of 14°C (58°F), with highs reaching up to 29°C (85°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec121933485864706657422716
Data source: Temperature data for Dongwan 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 Dongwan

In Dongwan in September, the total precipitation amount is 52 mm (2.1 in) distributed over a span of 10 days.

September Precipitation Trends in Dongwan

The chart displays monthly precipitation patterns in Dongwan, 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 Dongwan, September typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec91334889872447352423213
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dongwan

In Dongwan in September, humidity is 49%. With an average temperature of 14°C (58°F), this humidity feels like a refreshing embrace, making it comfortable for traveling as you explore the sights without feeling overheated.

September Average Humidity in Dongwan

This chart illustrates the average monthly humidity levels in Dongwan, 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 Dongwan is approximately 49%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%70%60%50%44%40%41%43%49%61%66%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dongwan

In Dongwan 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 Dongwan.

Maximum UV Index Levels in Dongwan for September

The chart shows the monthly maximum UV Index (UVI) for Dongwan 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 Dongwan typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec247811101198632
Data source: Dongwan 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 Dongwan Compares to Other Months

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

This table compares monthly weather conditions in Dongwan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (13°F)9 mm (0.4 inches)81%low
February Weather-7°C (19°F)13 mm (0.5 inches)70%moderate
March Weather1°C (34°F)34 mm (1.3 inches)60%high
April Weather9°C (49°F)88 mm (3.5 inches)50%very high
May Weather14°C (58°F)98 mm (3.9 inches)44%extreme
June Weather18°C (64°F)72 mm (2.8 inches)40%very high
July Weather21°C (70°F)44 mm (1.7 inches)41%extreme
August Weather19°C (67°F)73 mm (2.9 inches)43%very high
September Weather14°C (58°F)52 mm (2.1 inches)49%very high
October Weather6°C (43°F)42 mm (1.7 inches)61%high
November Weather-3°C (28°F)32 mm (1.3 inches)66%moderate
December Weather-9°C (16°F)13 mm (0.5 inches)77%low

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