September Weather in Chengnan, China

Last updated: August 22, 2025

In September, the average temperature in Chengnan, China is a pleasant 26°C (79°F). Expect a minimum of 15°C (59°F) and a maximum of 37°C (98°F), making it perfect for various activities. However, be prepared for 104 mm (4.1 in) of precipitation over 13 days, and enjoy the refreshing average humidity of 62%. Overall, it's a month filled with warmth and occasional showers!

September Temperature in Chengnan

In September in Chengnan, the average temperature is 26°C (79°F). Maximums can reach 37°C (98°F), and minimums can be as low as 15°C (59°F). Overall, this makes Chengnan a great destination for travelers seeking warm weather and pleasant conditions.

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

The chart illustrates September temperature patterns in Chengnan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chengnan, September typically has an average temperature of 26°C (79°F), with highs reaching up to 37°C (98°F) and lows dropping to around 15°C (59°F).

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

September Precipitation in Chengnan

In Chengnan in September, the precipitation amount is 104 mm (4.1 in) over the course of 13 days.

September Precipitation Trends in Chengnan

The chart displays monthly precipitation patterns in Chengnan, 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 Chengnan, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 13 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 Chengnan

In Chengnan in September humidity is 62%. With an average temperature of 26°C (79°F), this humidity feels like a warm embrace, making travel enjoyable but slightly sticky, as the air wraps around you with a tropical touch.

September Average Humidity in Chengnan

This chart illustrates the average monthly humidity levels in Chengnan, 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 Chengnan is approximately 62%, 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 Chengnan

In Chengnan 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 Chengnan.

Maximum UV Index Levels in Chengnan for September

The chart shows the monthly maximum UV Index (UVI) for Chengnan 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 Chengnan typically reaches 11, which falls under the extreme exposure category.

Data source: Chengnan 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 Chengnan Compares to Other Months

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

This table compares monthly weather conditions in Chengnan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	45 mm (1.8 inches)	64%	high
February Weather	11°C (52°F)	96 mm (3.8 inches)	69%	very high
March Weather	15°C (60°F)	177 mm (7.0 inches)	79%	extreme
April Weather	19°C (66°F)	156 mm (6.1 inches)	81%	extreme
May Weather	23°C (74°F)	206 mm (8.1 inches)	86%	extreme
June Weather	26°C (79°F)	309 mm (12.2 inches)	83%	extreme
July Weather	28°C (83°F)	109 mm (4.3 inches)	89%	extreme
August Weather	28°C (82°F)	166 mm (6.5 inches)	84%	extreme
September Weather	26°C (79°F)	104 mm (4.1 inches)	62%	extreme
October Weather	21°C (70°F)	41 mm (1.6 inches)	64%	very high
November Weather	16°C (61°F)	67 mm (2.7 inches)	72%	very high
December Weather	10°C (51°F)	37 mm (1.5 inches)	76%	high