September Weather in Yanjing, China

Last updated: August 22, 2025

In September, the average temperature in Yanjing, China is a pleasant 20°C (68°F), with minimums dipping to 11°C (53°F) and highs reaching up to 32°C (90°F). Travelers should prepare for 203 mm (8.0 in) of precipitation spread over 24 days, and anticipate a relatively high average humidity of 88%.

September Temperature in Yanjing

In September in Yanjing, the average temperature is 20°C (68°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop to as low as 11°C (53°F). This makes Yanjing an ideal destination for travelers seeking a comfortable climate for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Yanjing, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yanjing, September typically has an average temperature of 20°C (68°F), with highs reaching up to 32°C (90°F) and lows dropping to around 11°C (53°F).

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

September Precipitation in Yanjing

In Yanjing in September, the total precipitation amount is 203 mm (8.0 in) spread over 24 days.

September Precipitation Trends in Yanjing

The chart displays monthly precipitation patterns in Yanjing, 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 Yanjing, September typically receives around 203 mm (8.0 inches) of precipitation spread over approximately 24 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 Yanjing

In Yanjing in September humidity is 88%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making every step feel heavier and every breath a bit more labored, which can be quite draining for traveling.

September Average Humidity in Yanjing

This chart illustrates the average monthly humidity levels in Yanjing, 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 Yanjing is approximately 88%, 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 Yanjing

In Yanjing in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Yanjing.

Maximum UV Index Levels in Yanjing for September

The chart shows the monthly maximum UV Index (UVI) for Yanjing 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 Yanjing typically reaches 12, which falls under the extreme exposure category.

Data source: Yanjing 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 Yanjing Compares to Other Months

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

This table compares monthly weather conditions in Yanjing, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	74 mm (2.9 inches)	66%	high
February Weather	7°C (44°F)	74 mm (2.9 inches)	71%	very high
March Weather	12°C (54°F)	104 mm (4.1 inches)	55%	very high
April Weather	15°C (60°F)	125 mm (4.9 inches)	64%	extreme
May Weather	18°C (65°F)	129 mm (5.1 inches)	76%	extreme
June Weather	21°C (71°F)	180 mm (7.1 inches)	84%	extreme
July Weather	24°C (75°F)	261 mm (10.3 inches)	88%	extreme
August Weather	24°C (75°F)	278 mm (11.0 inches)	89%	extreme
September Weather	20°C (68°F)	203 mm (8.0 inches)	88%	extreme
October Weather	14°C (58°F)	155 mm (6.1 inches)	84%	very high
November Weather	10°C (51°F)	84 mm (3.3 inches)	87%	high
December Weather	5°C (42°F)	93 mm (3.7 inches)	78%	high