September Weather in Chengxi, China

Last updated: August 22, 2025

In September, the average temperature in Chengxi, China hovers around 24°C (75°F), creating a warm and inviting atmosphere. However, temperatures can vary significantly, with a minimum of 16°C (61°F) and a maximum soaring to 37°C (99°F). Expect a fair amount of rain, as 192 mm (7.5 in) of precipitation falls over 16 days. With an average humidity of 86%, this tropical climate adds a touch of heaviness to the warm air.

September Temperature in Chengxi

In September in Chengxi, the average temperature is 24°C (75°F). Maximums can reach 37°C (99°F) and minimums can be as low as 16°C (61°F). This makes Chengxi an ideal destination for travelers looking to enjoy warm weather with pleasant evenings.

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 24°C (75°F), with highs reaching up to 37°C (99°F) and lows dropping to around 16°C (61°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 total precipitation amount reaches 192 mm (7.5 in) over the course of 16 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 192 mm (7.5 inches) of precipitation spread over approximately 16 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 86%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat uncomfortable and requiring travelers to stay hydrated and take breaks in the shade.

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 86%, 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 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 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 11, 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	8°C (46°F)	36 mm (1.4 inches)	78%	moderate
February Weather	9°C (49°F)	58 mm (2.3 inches)	80%	high
March Weather	14°C (58°F)	110 mm (4.3 inches)	85%	very high
April Weather	18°C (65°F)	163 mm (6.4 inches)	81%	very high
May Weather	22°C (71°F)	196 mm (7.7 inches)	83%	extreme
June Weather	25°C (77°F)	176 mm (6.9 inches)	85%	extreme
July Weather	28°C (83°F)	213 mm (8.4 inches)	86%	extreme
August Weather	29°C (85°F)	134 mm (5.3 inches)	87%	extreme
September Weather	24°C (75°F)	192 mm (7.5 inches)	86%	extreme
October Weather	18°C (65°F)	141 mm (5.5 inches)	86%	very high
November Weather	13°C (56°F)	70 mm (2.8 inches)	87%	high
December Weather	9°C (48°F)	33 mm (1.3 inches)	85%	moderate