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September Weather in Yanmen, China

Last updated: August 22, 2025

In September, the average temperature in Yanmen, China hovers around 24°C (76°F). Be prepared for a range of temperatures, with minimums dipping to 15°C (60°F) and maximums soaring to 37°C (99°F). During this month, expect about 136 mm (5.4 in) of precipitation spread across 12 days, contributing to an average humidity level of 70%.

September Temperature in Yanmen

In September in Yanmen, the average temperature is 24°C (76°F). Maximums can reach 37°C (99°F), and minimums can be as low as 15°C (60°F). This is a great time to enjoy outdoor activities, so pack light clothing and stay hydrated while exploring!

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 24°C (76°F), with highs reaching up to 37°C (99°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec414555627077838376645545
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 total precipitation amount reaches 136 mm (5.4 in) over the course of 12 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 136 mm (5.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec83109226225347302210154136999060
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 70%. With an average temperature of 24°C (76°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel a bit sticky and heavier, so travelers should stay hydrated and take regular breaks to enjoy the sights 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 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%73%78%78%87%88%89%87%70%70%79%72%
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 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679101112131210975
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 Weather5°C (42°F)83 mm (3.3 inches)64%high
February Weather7°C (45°F)109 mm (4.3 inches)73%high
March Weather13°C (55°F)226 mm (8.9 inches)78%very high
April Weather17°C (63°F)225 mm (8.8 inches)78%very high
May Weather21°C (71°F)347 mm (13.7 inches)87%extreme
June Weather25°C (77°F)301 mm (11.9 inches)88%extreme
July Weather28°C (83°F)210 mm (8.3 inches)89%extreme
August Weather29°C (84°F)154 mm (6.1 inches)87%extreme
September Weather24°C (76°F)136 mm (5.4 inches)70%very high
October Weather18°C (64°F)99 mm (3.9 inches)70%very high
November Weather13°C (55°F)90 mm (3.5 inches)79%high
December Weather7°C (45°F)60 mm (2.4 inches)72%moderate

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