September Weather in Tongmen, China

Last updated: August 22, 2025

In September, the average temperature in Tongmen, China hovers around 27°C (81°F), offering a pleasant climate for outdoor activities. The temperature can dip to a minimum of 19°C (66°F), while it may climb up to a sizzling 36°C (97°F). Expect 157 mm (6.2 in) of precipitation spread over 18 days, contributing to an average humidity of 72%. Whether you’re soaking up the sun or enjoying a refreshing rain, Tongmen is sure to provide a unique experience!

September Temperature in Tongmen

In September in Tongmen, the average temperature is 27°C (81°F), with maximums reaching 36°C (97°F) and minimums dropping to as low as 19°C (66°F). This pleasant weather makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Tongmen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tongmen, September typically has an average temperature of 27°C (81°F), with highs reaching up to 36°C (97°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec585967727882848281746859
Data source: Temperature data for Tongmen 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 Tongmen

In Tongmen, in September, the precipitation amount is 157 mm (6.2 in) distributed over 18 days.

September Precipitation Trends in Tongmen

The chart displays monthly precipitation patterns in Tongmen, 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 Tongmen, September typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec3667114141157229148231157892223
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tongmen

In Tongmen in September humidity is 72%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, damp blanket, making travel a bit uncomfortable as you navigate through the thick, sticky air.

September Average Humidity in Tongmen

This chart illustrates the average monthly humidity levels in Tongmen, 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 Tongmen is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%64%65%62%76%76%88%88%72%63%62%66%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tongmen

In Tongmen in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Tongmen.

Maximum UV Index Levels in Tongmen for September

The chart shows the monthly maximum UV Index (UVI) for Tongmen 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 Tongmen typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79121213121313111087
Data source: Tongmen 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 Tongmen Compares to Other Months

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

This table compares monthly weather conditions in Tongmen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)36 mm (1.4 inches)59%high
February Weather15°C (60°F)67 mm (2.6 inches)64%very high
March Weather19°C (67°F)114 mm (4.5 inches)65%extreme
April Weather22°C (72°F)141 mm (5.6 inches)62%extreme
May Weather26°C (79°F)157 mm (6.2 inches)76%extreme
June Weather28°C (82°F)229 mm (9.0 inches)76%extreme
July Weather29°C (84°F)148 mm (5.8 inches)87%extreme
August Weather28°C (83°F)231 mm (9.1 inches)88%extreme
September Weather27°C (81°F)157 mm (6.2 inches)72%extreme
October Weather23°C (74°F)89 mm (3.5 inches)62%very high
November Weather20°C (68°F)22 mm (0.9 inches)62%very high
December Weather15°C (60°F)23 mm (0.9 inches)66%high

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