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September Weather in Mengyan, China

Last updated: August 23, 2025

In September, the average temperature in Mengyan, China is a pleasant 23°C (74°F), with daily highs reaching up to 35°C (95°F) and lows dipping to 14°C (58°F). Expect an average humidity of 70%, contributing to a mildly sticky atmosphere. However, be prepared for 148 mm (5.8 in) of precipitation spread over 17 days, making it wise to pack your umbrella!

September Temperature in Mengyan

In September in Mengyan, the average temperature is 23°C (74°F). Maximum temperatures can reach 35°C (95°F), while the minimum can drop as low as 14°C (58°F). This pleasant climate makes Mengyan an ideal destination for travelers seeking a comfortable getaway.

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

The chart illustrates September temperature patterns in Mengyan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mengyan, September typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (95°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec414554616975797974625444
Data source: Temperature data for Mengyan 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 Mengyan

In Mengyan in September, the precipitation amount is 148 mm (5.8 in) spread over 17 days.

September Precipitation Trends in Mengyan

The chart displays monthly precipitation patterns in Mengyan, 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 Mengyan, September typically receives around 148 mm (5.8 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec6289153168234291228162148896646
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mengyan

In Mengyan in September humidity is 70%. With an average temperature of 23°C (74°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat challenging but still bearable for traveling.

September Average Humidity in Mengyan

This chart illustrates the average monthly humidity levels in Mengyan, 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 Mengyan 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 Mengyan

In Mengyan 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 Mengyan.

Maximum UV Index Levels in Mengyan for September

The chart shows the monthly maximum UV Index (UVI) for Mengyan 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 Mengyan typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111113121313111086
Data source: Mengyan 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 Mengyan Compares to Other Months

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

This table compares monthly weather conditions in Mengyan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)61 mm (2.4 inches)64%high
February Weather7°C (45°F)89 mm (3.5 inches)73%very high
March Weather12°C (55°F)153 mm (6.0 inches)78%extreme
April Weather16°C (62°F)168 mm (6.6 inches)78%extreme
May Weather21°C (69°F)234 mm (9.2 inches)87%extreme
June Weather24°C (75°F)291 mm (11.5 inches)88%extreme
July Weather26°C (79°F)228 mm (9.0 inches)89%extreme
August Weather26°C (79°F)162 mm (6.4 inches)87%extreme
September Weather23°C (74°F)148 mm (5.8 inches)70%extreme
October Weather17°C (62°F)89 mm (3.5 inches)70%very high
November Weather12°C (54°F)66 mm (2.6 inches)79%very high
December Weather7°C (44°F)46 mm (1.8 inches)72%high

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