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September Weather in Yanmen, China

Last updated: August 22, 2025

In September, the average temperature in Yanmen, China hovers around 12°C (54°F), with a hopeful maximum reaching up to 20°C (68°F) and a chilly minimum dipping to 2°C (36°F). Expect a fair amount of rain, as 204 mm (8.0 in) of precipitation graces the area over 27 days. With an average humidity of 91%, prepare for a notably damp atmosphere!

September Temperature in Yanmen

In September in Yanmen, the average temperature is 12°C (54°F). The maximum can reach 20°C (68°F), and the minimum can be as low as 2°C (36°F). This moderate climate makes Yanmen a pleasant destination for travelers seeking comfortable weather for outdoor activities.

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

The chart illustrates September temperature patterns in Yanmen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yanmen, September typically has an average temperature of 12°C (54°F), with highs reaching up to 20°C (68°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec212531374754565654473428
Data source: Temperature data for Yanmen generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Yanmen

In Yanmen in September, the precipitation amount is 204 mm (8.0 in) and occurs over a span of 27 days.

September Precipitation Trends in Yanmen

The chart displays monthly precipitation patterns in Yanmen, 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 Yanmen, September typically receives around 204 mm (8.0 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec62106127981792052912732041285343
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yanmen

In Yanmen in September, humidity is 91%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket wrapping around you, making even short walks feel heavy and sluggish, which can be quite challenging for travelers looking to explore the area comfortably.

September Average Humidity in Yanmen

This chart illustrates the average monthly humidity levels in Yanmen, 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 Yanmen is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%81%57%59%84%89%92%92%91%90%88%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yanmen

In Yanmen in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Yanmen.

Maximum UV Index Levels in Yanmen for September

The chart shows the monthly maximum UV Index (UVI) for Yanmen 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 Yanmen typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911141616161615151297
Data source: Yanmen 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 Yanmen Compares to Other Months

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

This table compares monthly weather conditions in Yanmen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)62 mm (2.4 inches)79%very high
February Weather-4°C (25°F)106 mm (4.2 inches)81%extreme
March Weather-1°C (31°F)127 mm (5.0 inches)57%extreme
April Weather3°C (38°F)97 mm (3.8 inches)59%extreme
May Weather8°C (48°F)179 mm (7.0 inches)84%extreme
June Weather12°C (55°F)205 mm (8.1 inches)89%extreme
July Weather13°C (56°F)291 mm (11.5 inches)92%extreme
August Weather13°C (57°F)273 mm (10.7 inches)92%extreme
September Weather12°C (54°F)204 mm (8.0 inches)91%extreme
October Weather8°C (47°F)128 mm (5.1 inches)90%extreme
November Weather1°C (35°F)53 mm (2.1 inches)88%very high
December Weather-2°C (28°F)43 mm (1.7 inches)83%high

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