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September Weather in Mahe, China

Last updated: August 22, 2025

In September, the average temperature in Mahe, China hovers around 15°C (60°F), making it a pleasant time of year. Expect minimums around 6°C (44°F) and maximums reaching 26°C (78°F). However, be prepared for some wet days, with an average precipitation of 114 mm (4.5 in) spread across 17 days. Humidity levels are high, sitting at an average of 84%, contributing to a lush and vibrant atmosphere.

September Temperature in Mahe

In September in Mahe, the average temperature is 15°C (60°F). Maximum temperatures can reach up to 26°C (78°F), while the minimum can drop as low as 6°C (44°F). This mild climate makes it an ideal time for exploring the outdoors and enjoying various activities in Mahe.

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

The chart illustrates September temperature patterns in Mahe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mahe, September typically has an average temperature of 15°C (60°F), with highs reaching up to 26°C (78°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec253042505864696859483827
Data source: Temperature data for Mahe 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 Mahe

In Mahe in September, the precipitation amount is 114 mm (4.5 in) recorded over 17 days.

September Precipitation Trends in Mahe

The chart displays monthly precipitation patterns in Mahe, 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 Mahe, September typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec17243965841111441541141092918
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mahe

In Mahe in September humidity is 84%. With an average temperature of 15°C (60°F), this humidity feels like a warm blanket wrapped around you, making outdoor exploration feel stifling and sticky, while creating a heavy air that may slow your pace and dampen your enthusiasm for sightseeing.

September Average Humidity in Mahe

This chart illustrates the average monthly humidity levels in Mahe, 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 Mahe is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%84%86%83%71%77%78%79%84%87%84%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mahe

In Mahe 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 Mahe.

Maximum UV Index Levels in Mahe for September

The chart shows the monthly maximum UV Index (UVI) for Mahe 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 Mahe typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478111213121211854
Data source: Mahe 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 Mahe Compares to Other Months

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

This table compares monthly weather conditions in Mahe, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)17 mm (0.7 inches)76%moderate
February Weather-1°C (30°F)24 mm (0.9 inches)83%high
March Weather6°C (43°F)39 mm (1.5 inches)86%very high
April Weather10°C (51°F)65 mm (2.6 inches)83%extreme
May Weather14°C (58°F)84 mm (3.3 inches)71%extreme
June Weather18°C (65°F)111 mm (4.4 inches)77%extreme
July Weather21°C (69°F)144 mm (5.7 inches)78%extreme
August Weather20°C (68°F)154 mm (6.1 inches)78%extreme
September Weather15°C (60°F)114 mm (4.5 inches)84%extreme
October Weather9°C (48°F)109 mm (4.3 inches)87%very high
November Weather3°C (38°F)29 mm (1.2 inches)84%moderate
December Weather-3°C (27°F)18 mm (0.7 inches)80%moderate

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