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September Weather in Chengnan, China

Last updated: August 22, 2025

In September, the average temperature in Chengnan, China is a pleasant 24°C (76°F). Expect temperatures to vary, with a minimum of 15°C (59°F) and a maximum of 36°C (97°F). Rainfall is typically around 88 mm (3.5 in) over 11 days, making for a moderately wet month, while the average humidity hovers at a high 75%. Be prepared for a mix of warm weather and refreshing rain!

September Temperature in Chengnan

In September in Chengnan, the average temperature is 24°C (76°F). Maximums can reach 36°C (97°F), and minimums can be as low as 15°C (59°F). This makes Chengnan a delightful destination for travelers seeking warm weather and comfortable evenings.

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

The chart illustrates September temperature patterns in Chengnan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chengnan, September typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (97°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec394354627278838476645543
Data source: Temperature data for Chengnan 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 Chengnan

In Chengnan in September, the total precipitation amount is 88 mm (3.5 in) spread over 11 days.

September Precipitation Trends in Chengnan

The chart displays monthly precipitation patterns in Chengnan, 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 Chengnan, September typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec5755747115418424221388574239
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chengnan

In Chengnan in September, humidity is 75%. With an average temperature of 24°C (76°F), this humidity feels like a warm embrace, making travel somewhat stifling but also richly invigorating, as the air seems to wrap around you, heightening the experience of the local sights and sounds.

September Average Humidity in Chengnan

This chart illustrates the average monthly humidity levels in Chengnan, 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 Chengnan is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%73%82%86%85%85%90%88%75%76%84%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chengnan

In Chengnan in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Chengnan.

Maximum UV Index Levels in Chengnan for September

The chart shows the monthly maximum UV Index (UVI) for Chengnan 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 Chengnan typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101011111110854
Data source: Chengnan 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 Chengnan Compares to Other Months

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

This table compares monthly weather conditions in Chengnan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)56 mm (2.2 inches)70%moderate
February Weather6°C (43°F)55 mm (2.2 inches)73%high
March Weather12°C (54°F)74 mm (2.9 inches)82%very high
April Weather17°C (63°F)71 mm (2.8 inches)86%very high
May Weather22°C (72°F)154 mm (6.1 inches)85%very high
June Weather26°C (78°F)184 mm (7.2 inches)85%extreme
July Weather28°C (83°F)242 mm (9.5 inches)90%extreme
August Weather29°C (84°F)212 mm (8.4 inches)88%extreme
September Weather24°C (76°F)88 mm (3.5 inches)75%very high
October Weather18°C (65°F)57 mm (2.2 inches)76%very high
November Weather13°C (55°F)42 mm (1.6 inches)84%moderate
December Weather6°C (43°F)39 mm (1.5 inches)77%moderate

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