September Weather in Jiangmen, China

Last updated: August 23, 2025

In Jiangmen, China, the average temperature in September is a warm 28°C (83°F), with a minimum of 21°C (70°F) and a maximum reaching up to 35°C (95°F). Expect a fair amount of rain, with 233 mm (9.2 in) of precipitation spread over 23 days, contributing to an average humidity of 75%.

September Temperature in Jiangmen

In September in Jiangmen, 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 Jiangmen: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Jiangmen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jiangmen, 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 Jiangmen generated using information from the Copernicus Climate Change Service.

September Precipitation in Jiangmen

In Jiangmen in September, the total precipitation amount is 233 mm (9.2 in) accumulated over 23 days.

September Precipitation Trends in Jiangmen

The chart displays monthly precipitation patterns in Jiangmen, 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 Jiangmen, September typically receives around 233 mm (9.2 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 Jiangmen

In Jiangmen in September humidity is 75%. With an average temperature of 28°C (83°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel particularly heavy, and prompting frequent breaks in the shade to stay comfortable while traveling.

September Average Humidity in Jiangmen

This chart illustrates the average monthly humidity levels in Jiangmen, 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 Jiangmen is approximately 75%, 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 Jiangmen

In Jiangmen 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 Jiangmen.

Maximum UV Index Levels in Jiangmen for September

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

Data source: Jiangmen 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 Jiangmen Compares to Other Months

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

This table compares monthly weather conditions in Jiangmen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	21 mm (0.8 inches)	64%	high
February Weather	17°C (62°F)	56 mm (2.2 inches)	68%	very high
March Weather	21°C (70°F)	82 mm (3.2 inches)	73%	extreme
April Weather	23°C (74°F)	127 mm (5.0 inches)	71%	extreme
May Weather	27°C (80°F)	216 mm (8.5 inches)	79%	extreme
June Weather	29°C (84°F)	315 mm (12.4 inches)	77%	extreme
July Weather	29°C (85°F)	222 mm (8.7 inches)	88%	extreme
August Weather	29°C (84°F)	326 mm (12.8 inches)	88%	extreme
September Weather	28°C (83°F)	233 mm (9.2 inches)	75%	extreme
October Weather	25°C (77°F)	143 mm (5.6 inches)	65%	very high
November Weather	21°C (70°F)	27 mm (1.1 inches)	64%	very high
December Weather	17°C (62°F)	17 mm (0.7 inches)	69%	high