September Weather in Chengyang, China

Last updated: August 22, 2025

In Chengyang, China, the average temperature in September hovers around 23°C (74°F), offering a pleasant climate for outdoor enthusiasts. Expect a minimum of 15°C (59°F) and a maximum of 30°C (86°F) throughout the month. With an average humidity of 74% and 66 mm (2.6 in) of precipitation spread over 6 days, you’ll want to pack your umbrella along with your sunblock!

September Temperature in Chengyang

In September in Chengyang, the average temperature is 23°C (74°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop to as low as 15°C (59°F). This climate makes it an ideal time for travelers to enjoy outdoor activities and explore the beautiful surroundings comfortably.

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 23°C (74°F), with highs reaching up to 30°C (86°F) and lows dropping to around 15°C (59°F).

Data source: Temperature data for Chengyang generated using information from the Copernicus Climate Change Service.

September Precipitation in Chengyang

In Chengyang in September, the precipitation amount is 66 mm (2.6 in) over the course of 6 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 66 mm (2.6 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Chengyang

In Chengyang in September humidity is 74%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket, making outdoor activities a bit sticky and potentially exhausting, so travelers should stay hydrated and take frequent breaks in the shade.

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 74%, offering insight into how humid the weather typically is during this month.

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 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 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 8, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	14 mm (0.6 inches)	65%	moderate
February Weather	2°C (37°F)	20 mm (0.8 inches)	62%	moderate
March Weather	7°C (45°F)	26 mm (1.0 inches)	69%	high
April Weather	12°C (54°F)	33 mm (1.3 inches)	81%	very high
May Weather	17°C (63°F)	56 mm (2.2 inches)	82%	very high
June Weather	21°C (71°F)	81 mm (3.2 inches)	86%	very high
July Weather	25°C (78°F)	188 mm (7.4 inches)	93%	extreme
August Weather	27°C (80°F)	167 mm (6.6 inches)	91%	very high
September Weather	23°C (74°F)	66 mm (2.6 inches)	74%	very high
October Weather	17°C (62°F)	35 mm (1.4 inches)	72%	high
November Weather	11°C (52°F)	25 mm (1.0 inches)	71%	moderate
December Weather	3°C (39°F)	14 mm (0.5 inches)	69%	moderate