September Weather in Chengxi, China

Last updated: August 22, 2025

In September, the average temperature in Chengxi, China hovers around 28°C (83°F), with a minimum of 21°C (70°F) and a maximum of 35°C (95°F). Expect 228 mm (9.0 in) of precipitation over 23 days, contributing to an average humidity of 80%. Prepare for a warm and humid month!

September Temperature in Chengxi

In September in Chengxi, the average temperature is 28°C (83°F), with maximums reaching 35°C (95°F) and minimums dropping to as low as 21°C (70°F). It's an ideal time for travelers looking to enjoy warm weather while exploring the vibrant surroundings.

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

The chart illustrates September temperature patterns in Chengxi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chengxi, September typically has an average temperature of 28°C (83°F), with highs reaching up to 35°C (95°F) and lows dropping to around 21°C (70°F).

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

September Precipitation in Chengxi

In Chengxi in September, the precipitation amount is 228 mm (9.0 in) spread over 23 days.

September Precipitation Trends in Chengxi

The chart displays monthly precipitation patterns in Chengxi, 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 Chengxi, September typically receives around 228 mm (9.0 inches) of precipitation spread over approximately 23 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 Chengxi

In Chengxi in September, humidity is 80%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket enveloping you, making travel feel sluggish and sticky, as every movement generates a sheen of perspiration that clings to your skin.

September Average Humidity in Chengxi

This chart illustrates the average monthly humidity levels in Chengxi, 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 Chengxi is approximately 80%, 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 Chengxi

In Chengxi in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Chengxi.

Maximum UV Index Levels in Chengxi for September

The chart shows the monthly maximum UV Index (UVI) for Chengxi 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 Chengxi typically reaches 12, which falls under the extreme exposure category.

Data source: Chengxi 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 Chengxi Compares to Other Months

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

This table compares monthly weather conditions in Chengxi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	13 mm (0.5 inches)	66%	very high
February Weather	17°C (63°F)	58 mm (2.3 inches)	69%	very high
March Weather	21°C (70°F)	71 mm (2.8 inches)	72%	extreme
April Weather	23°C (74°F)	103 mm (4.1 inches)	71%	extreme
May Weather	27°C (81°F)	230 mm (9.1 inches)	76%	extreme
June Weather	29°C (84°F)	271 mm (10.7 inches)	78%	extreme
July Weather	29°C (84°F)	249 mm (9.8 inches)	87%	extreme
August Weather	28°C (83°F)	381 mm (15.0 inches)	87%	extreme
September Weather	28°C (83°F)	228 mm (9.0 inches)	80%	extreme
October Weather	25°C (77°F)	158 mm (6.2 inches)	74%	extreme
November Weather	22°C (72°F)	18 mm (0.7 inches)	71%	very high
December Weather	18°C (65°F)	13 mm (0.5 inches)	72%	high