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September Weather in Chengyang, China

Last updated: August 22, 2025

In Chengyang, China, the average temperature in September hovers around 15°C (60°F). Visitors can expect a range from a cool 4°C (39°F) to a warm 28°C (83°F). During this month, the region typically experiences 101 mm (4.0 in) of precipitation spread over 12 days, contributing to an average humidity of 84%. Whether you're exploring the sights or relaxing indoors, be prepared for a mix of weather!

September Temperature in Chengyang

In September in Chengyang, the average temperature is 15°C (60°F). Maximums can reach 28°C (83°F), and minimums can be as low as 4°C (39°F). This pleasant climate makes Chengyang an ideal destination for travelers seeking a comfortable getaway.

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

The chart illustrates September temperature patterns in Chengyang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chengyang, September typically has an average temperature of 15°C (60°F), with highs reaching up to 28°C (83°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec253042515967716860483727
Data source: Temperature data for Chengyang 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 Chengyang

In Chengyang in September, the precipitation amount is 101 mm (4.0 in) spread over 12 days.

September Precipitation Trends in Chengyang

The chart displays monthly precipitation patterns in Chengyang, 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 Chengyang, September typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec9162851558010514910171229
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chengyang

In Chengyang in September humidity is 84%. With an average temperature of 15°C (60°F), this humidity feels like a warm blanket wrapped around you, making outdoor exploration feel stifling and sticky, while creating a heavy air that may slow your pace and dampen your enthusiasm for sightseeing.

September Average Humidity in Chengyang

This chart illustrates the average monthly humidity levels in Chengyang, 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 Chengyang is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%84%86%83%71%77%78%79%84%87%84%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chengyang

In Chengyang 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 Chengyang.

Maximum UV Index Levels in Chengyang for September

The chart shows the monthly maximum UV Index (UVI) for Chengyang 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 Chengyang typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101112121110853
Data source: Chengyang 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 Chengyang Compares to Other Months

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

This table compares monthly weather conditions in Chengyang, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)9 mm (0.4 inches)76%moderate
February Weather-1°C (30°F)16 mm (0.6 inches)83%moderate
March Weather6°C (42°F)28 mm (1.1 inches)86%very high
April Weather11°C (52°F)51 mm (2.0 inches)83%very high
May Weather15°C (60°F)55 mm (2.2 inches)71%extreme
June Weather19°C (67°F)80 mm (3.1 inches)77%extreme
July Weather22°C (71°F)105 mm (4.1 inches)78%extreme
August Weather20°C (68°F)149 mm (5.8 inches)78%extreme
September Weather15°C (60°F)101 mm (4.0 inches)84%very high
October Weather9°C (48°F)71 mm (2.8 inches)87%very high
November Weather3°C (37°F)22 mm (0.9 inches)84%moderate
December Weather-3°C (27°F)9 mm (0.3 inches)80%moderate

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