September Weather in Chengshan, China

Last updated: August 22, 2025

In Chengshan, China, the average temperature in September is a pleasant 26°C (79°F). Expect comfortable days with a minimum temperature around 17°C (63°F) and a maximum reaching up to 36°C (97°F). During this time, the region experiences an average precipitation amount of 104 mm (4.1 in) spread over about 10 days, contributing to an average humidity of 73%. Whether you're exploring or relaxing, the climate offers a vibrant backdrop for your adventures!

September Temperature in Chengshan

In September in Chengshan, the average temperature is 26°C (79°F), with maximums reaching 36°C (97°F) and minimums dipping to as low as 17°C (63°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Chengshan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chengshan, September typically has an average temperature of 26°C (79°F), with highs reaching up to 36°C (97°F) and lows dropping to around 17°C (63°F).

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

September Precipitation in Chengshan

In Chengshan in September, the precipitation amount is 104 mm (4.1 in) over a period of 10 days.

September Precipitation Trends in Chengshan

The chart displays monthly precipitation patterns in Chengshan, 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 Chengshan, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 10 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 Chengshan

In Chengshan in September, humidity is 73%. With an average temperature of 26°C (79°F), this humidity feels like a warm, sticky embrace, making travel slightly uncomfortable as you navigate through the heat with a constant sheen of sweat on your skin.

September Average Humidity in Chengshan

This chart illustrates the average monthly humidity levels in Chengshan, 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 Chengshan is approximately 73%, 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 Chengshan

In Chengshan in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Chengshan.

Maximum UV Index Levels in Chengshan for September

The chart shows the monthly maximum UV Index (UVI) for Chengshan 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 Chengshan typically reaches 10, which falls under the very high exposure category.

Data source: Chengshan 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 Chengshan Compares to Other Months

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

This table compares monthly weather conditions in Chengshan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	62 mm (2.4 inches)	69%	high
February Weather	8°C (46°F)	79 mm (3.1 inches)	73%	high
March Weather	14°C (57°F)	163 mm (6.4 inches)	82%	very high
April Weather	18°C (65°F)	148 mm (5.8 inches)	86%	very high
May Weather	23°C (75°F)	187 mm (7.4 inches)	86%	extreme
June Weather	27°C (80°F)	319 mm (12.6 inches)	86%	extreme
July Weather	30°C (86°F)	259 mm (10.2 inches)	90%	extreme
August Weather	30°C (86°F)	158 mm (6.2 inches)	86%	extreme
September Weather	26°C (79°F)	104 mm (4.1 inches)	73%	very high
October Weather	20°C (68°F)	27 mm (1.1 inches)	73%	very high
November Weather	14°C (58°F)	45 mm (1.8 inches)	80%	high
December Weather	8°C (47°F)	46 mm (1.8 inches)	79%	moderate