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September Weather in Mengdong, China

Last updated: August 22, 2025

In September, the average temperature in Mengdong, China is 22°C (71°F), offering a pleasant climate. The temperatures can vary, with a minimum of 15°C (59°F) and a maximum of 30°C (87°F). Expect 280 mm (11.0 in) of precipitation spread over 26 days, contributing to a high average humidity of 86%.

September Temperature in Mengdong

In September in Mengdong, the average temperature is 22°C (71°F). Maximums can reach 30°C (87°F) and minimums can drop to as low as 15°C (59°F). This makes Mengdong an ideal destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates September temperature patterns in Mengdong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mengdong, September typically has an average temperature of 22°C (71°F), with highs reaching up to 30°C (87°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec565966697272717171686357
Data source: Temperature data for Mengdong 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 Mengdong

In Mengdong in September, the total precipitation amount is 280 mm (11.0 in) over the course of 26 days.

September Precipitation Trends in Mengdong

The chart displays monthly precipitation patterns in Mengdong, 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 Mengdong, September typically receives around 280 mm (11.0 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec53132173913624614632801746025
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mengdong

In Mengdong in September humidity is 86%. With an average temperature of 22°C (71°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel muggy and draining.

September Average Humidity in Mengdong

This chart illustrates the average monthly humidity levels in Mengdong, 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 Mengdong is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec56%60%43%37%62%85%93%91%86%78%77%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mengdong

In Mengdong in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Mengdong.

Maximum UV Index Levels in Mengdong for September

The chart shows the monthly maximum UV Index (UVI) for Mengdong 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 Mengdong typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810111315151515131298
Data source: Mengdong 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 Mengdong Compares to Other Months

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

This table compares monthly weather conditions in Mengdong, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)53 mm (2.1 inches)56%very high
February Weather15°C (60°F)12 mm (0.5 inches)60%very high
March Weather19°C (66°F)21 mm (0.8 inches)43%extreme
April Weather21°C (69°F)73 mm (2.9 inches)37%extreme
May Weather22°C (72°F)91 mm (3.6 inches)62%extreme
June Weather22°C (72°F)362 mm (14.3 inches)85%extreme
July Weather22°C (72°F)461 mm (18.1 inches)93%extreme
August Weather22°C (72°F)463 mm (18.2 inches)91%extreme
September Weather22°C (71°F)280 mm (11.0 inches)86%extreme
October Weather20°C (69°F)174 mm (6.9 inches)78%extreme
November Weather17°C (63°F)60 mm (2.4 inches)77%very high
December Weather14°C (57°F)25 mm (1.0 inches)70%very high

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