September Weather in Xinmen, China

Last updated: August 22, 2025

In Xinmen, China, the average temperature in September is a comfortable 25°C (77°F), making it an ideal time for outdoor activities. Expect temperatures to range from a minimum of 16°C (61°F) to a maximum of 36°C (96°F). During this month, you can anticipate approximately 90 mm (3.6 in) of precipitation spread over about 10 days. With an average humidity of 72%, the weather can feel quite tropical!

September Temperature in Xinmen

In September in Xinmen, the average temperature is 25°C (77°F). The maximum can reach 36°C (96°F), while the minimum can be as low as 16°C (61°F). This makes Xinmen an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Xinmen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xinmen, September typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (96°F) and lows dropping to around 16°C (61°F).

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

September Precipitation in Xinmen

In Xinmen in September, the precipitation amount is 90 mm (3.6 in) spread over the course of 10 days.

September Precipitation Trends in Xinmen

The chart displays monthly precipitation patterns in Xinmen, 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 Xinmen, September typically receives around 90 mm (3.6 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 Xinmen

In Xinmen in September, humidity is 72%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace that clings to your skin, making outdoor exploration both vibrant and a bit taxing as you sweat slightly more and seek shade often while enjoying the scenery.

September Average Humidity in Xinmen

This chart illustrates the average monthly humidity levels in Xinmen, 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 Xinmen is approximately 72%, 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 Xinmen

In Xinmen 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 Xinmen.

Maximum UV Index Levels in Xinmen for September

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

Data source: Xinmen 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 Xinmen Compares to Other Months

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

This table compares monthly weather conditions in Xinmen, 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 (42°F)	76 mm (3.0 inches)	65%	high
February Weather	7°C (45°F)	78 mm (3.1 inches)	71%	high
March Weather	12°C (54°F)	157 mm (6.2 inches)	81%	very high
April Weather	17°C (63°F)	129 mm (5.1 inches)	86%	very high
May Weather	22°C (71°F)	196 mm (7.7 inches)	87%	extreme
June Weather	24°C (76°F)	346 mm (13.6 inches)	87%	extreme
July Weather	28°C (82°F)	281 mm (11.1 inches)	91%	extreme
August Weather	28°C (83°F)	153 mm (6.0 inches)	87%	extreme
September Weather	25°C (77°F)	90 mm (3.6 inches)	72%	extreme
October Weather	19°C (66°F)	38 mm (1.5 inches)	74%	very high
November Weather	13°C (56°F)	56 mm (2.2 inches)	80%	high
December Weather	7°C (46°F)	66 mm (2.6 inches)	78%	moderate