September Weather in Yanmenguan, China

Last updated: August 22, 2025

In Yanmenguan, China, the average temperature in September is a mild 16°C (60°F), with minimums dipping to 2°C (36°F) and maximums soaring to 29°C (84°F). Expect a total precipitation of 44 mm (1.7 in) spread over approximately 7 days, accompanied by an average humidity level of 61%. This blend of conditions creates a pleasant atmosphere, perfect for exploring the sights!

September Temperature in Yanmenguan

In September in Yanmenguan, the average temperature is 16°C (60°F). Maximums can reach 29°C (84°F), while minimums can plummet to as low as 2°C (36°F). Travelers should be prepared for a mix of warm and chilly weather, making layers essential for comfort.

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

The chart illustrates September temperature patterns in Yanmenguan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yanmenguan, September typically has an average temperature of 16°C (60°F), with highs reaching up to 29°C (84°F) and lows dropping to around 2°C (36°F).

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

September Precipitation in Yanmenguan

In Yanmenguan in September, the precipitation amount is 44 mm (1.7 in) spread over a duration of 7 days.

September Precipitation Trends in Yanmenguan

The chart displays monthly precipitation patterns in Yanmenguan, 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 Yanmenguan, September typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Yanmenguan

In Yanmenguan in September humidity is 61%. With an average temperature of 16°C (60°F), this humidity feels like a gentle embrace, making travel pleasant yet slightly muggy, requiring occasional breaks to recharge and enjoy the scenery without feeling overheated.

September Average Humidity in Yanmenguan

This chart illustrates the average monthly humidity levels in Yanmenguan, 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 Yanmenguan is approximately 61%, 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 Yanmenguan

In Yanmenguan in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Yanmenguan.

Maximum UV Index Levels in Yanmenguan for September

The chart shows the monthly maximum UV Index (UVI) for Yanmenguan 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 Yanmenguan typically reaches 8, which falls under the very high exposure category.

Data source: Yanmenguan 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 Yanmenguan Compares to Other Months

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

This table compares monthly weather conditions in Yanmenguan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	3 mm (0.1 inches)	52%	moderate
February Weather	-4°C (25°F)	5 mm (0.2 inches)	49%	moderate
March Weather	4°C (39°F)	21 mm (0.8 inches)	52%	high
April Weather	9°C (49°F)	34 mm (1.3 inches)	63%	very high
May Weather	16°C (60°F)	32 mm (1.3 inches)	54%	very high
June Weather	20°C (69°F)	50 mm (2.0 inches)	62%	extreme
July Weather	22°C (71°F)	118 mm (4.6 inches)	71%	extreme
August Weather	20°C (69°F)	112 mm (4.4 inches)	74%	very high
September Weather	16°C (60°F)	44 mm (1.7 inches)	61%	very high
October Weather	8°C (46°F)	50 mm (2.0 inches)	69%	high
November Weather	1°C (33°F)	15 mm (0.6 inches)	64%	moderate
December Weather	-7°C (19°F)	2 mm (0.1 inches)	58%	low