September Weather in Chengyuan, China

Last updated: August 22, 2025

In September, the average temperature in Chengyuan, China is a pleasant 24°C (75°F). You'll experience a minimum of 13°C (56°F) and a maximum soaring to 35°C (96°F). Be prepared for 111 mm (4.4 in) of precipitation spread over 16 days, contributing to an average humidity of 67%. Enjoy the mild weather as you explore this vibrant destination!

September Temperature in Chengyuan

In September in Chengyuan, the average temperature is 24°C (75°F), with maximums reaching 35°C (96°F) and minimums dipping as low as 13°C (56°F). This makes it a great time to visit for those who enjoy warm weather, while also being prepared for cooler evenings.

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

The chart illustrates September temperature patterns in Chengyuan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chengyuan, September typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 13°C (56°F).

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

September Precipitation in Chengyuan

In Chengyuan in September, the precipitation amount is 111 mm (4.4 in) occurring over the course of 16 days.

September Precipitation Trends in Chengyuan

The chart displays monthly precipitation patterns in Chengyuan, 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 Chengyuan, September typically receives around 111 mm (4.4 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 Chengyuan

In Chengyuan in September humidity is 67%. With an average temperature of 24°C (75°F), this humidity feels like a warm and sticky embrace, making traveling a bit uncomfortable as you find yourself seeking shade and refreshing drinks more often.

September Average Humidity in Chengyuan

This chart illustrates the average monthly humidity levels in Chengyuan, 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 Chengyuan is approximately 67%, 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 Chengyuan

In Chengyuan 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 Chengyuan.

Maximum UV Index Levels in Chengyuan for September

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

Data source: Chengyuan 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 Chengyuan Compares to Other Months

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

This table compares monthly weather conditions in Chengyuan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	52 mm (2.0 inches)	66%	high
February Weather	9°C (49°F)	97 mm (3.8 inches)	71%	very high
March Weather	13°C (56°F)	186 mm (7.3 inches)	81%	extreme
April Weather	17°C (62°F)	157 mm (6.2 inches)	84%	extreme
May Weather	21°C (70°F)	257 mm (10.1 inches)	87%	extreme
June Weather	23°C (75°F)	419 mm (16.5 inches)	84%	extreme
July Weather	26°C (79°F)	220 mm (8.7 inches)	88%	extreme
August Weather	26°C (79°F)	247 mm (9.7 inches)	85%	extreme
September Weather	24°C (75°F)	111 mm (4.4 inches)	67%	extreme
October Weather	19°C (66°F)	63 mm (2.5 inches)	72%	very high
November Weather	14°C (58°F)	88 mm (3.5 inches)	77%	very high
December Weather	9°C (49°F)	54 mm (2.1 inches)	80%	high