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September Weather in Mengla, China

Last updated: August 22, 2025

In Mengla, China, the average temperature in September is a comfortable 25°C (77°F), perfect for enjoying outdoor activities. Expect temperatures to dip to a minimum of 17°C (62°F) and soar to a maximum of 34°C (93°F). However, be prepared for some rain, as precipitation averages 200 mm (7.9 in) over about 20 days. With an average humidity level of 83%, it's wise to stay hydrated and cool.

September Temperature in Mengla

In September in Mengla, the average temperature is 25°C (77°F), with maximums reaching 34°C (93°F) and minimums dipping to as low as 17°C (62°F). This pleasant climate makes it an ideal time to explore the outdoor attractions and enjoy the local culture.

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

The chart illustrates September temperature patterns in Mengla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mengla, September typically has an average temperature of 25°C (77°F), with highs reaching up to 34°C (93°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec636572747879787777736962
Data source: Temperature data for Mengla 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 Mengla

In Mengla in September, the precipitation amount is 200 mm (7.9 in), distributed over a span of 20 days.

September Precipitation Trends in Mengla

The chart displays monthly precipitation patterns in Mengla, 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 Mengla, September typically receives around 200 mm (7.9 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec4426251091051923233392001233744
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mengla

In Mengla in September humidity is 83%. With an average temperature of 25°C (77°F), this humidity feels like a warm, enveloping blanket, making it essential for travelers to stay hydrated and seek shade to enjoy their adventures comfortably.

September Average Humidity in Mengla

This chart illustrates the average monthly humidity levels in Mengla, 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 Mengla is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec57%57%48%41%60%80%92%92%84%71%68%64%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mengla

In Mengla in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Mengla, you can check here.

Maximum UV Index Levels in Mengla for September

The chart shows the monthly maximum UV Index (UVI) for Mengla 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 Mengla typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9101313151415141412108
Data source: Mengla 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 Mengla Compares to Other Months

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

This table compares monthly weather conditions in Mengla, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)44 mm (1.7 inches)57%very high
February Weather18°C (65°F)26 mm (1.0 inches)57%very high
March Weather22°C (72°F)25 mm (1.0 inches)48%extreme
April Weather24°C (75°F)109 mm (4.3 inches)41%extreme
May Weather26°C (78°F)105 mm (4.1 inches)60%extreme
June Weather26°C (79°F)192 mm (7.5 inches)80%extreme
July Weather26°C (78°F)323 mm (12.7 inches)92%extreme
August Weather25°C (78°F)339 mm (13.4 inches)92%extreme
September Weather25°C (77°F)200 mm (7.9 inches)83%extreme
October Weather23°C (74°F)123 mm (4.9 inches)71%extreme
November Weather20°C (69°F)37 mm (1.5 inches)68%very high
December Weather17°C (62°F)44 mm (1.7 inches)64%very high

Compare Mengla's Climate with Cities Worldwide