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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 (59°F). Expect a range from a chilling -1°C (31°F) to a warm 28°C (82°F), making it a month of contrasts. With 87 mm (3.4 in) of precipitation spread over 10 days, staying dry may require some planning. Additionally, the air's average humidity is high at 84%, contributing to the month's overall damp feel.

September Temperature in Mahe

In September in Mahe, the average temperature is 15°C (59°F). The maximum can reach 28°C (82°F), while the minimum can drop as low as -1°C (31°F). Be sure to pack layers to prepare for a variety of weather conditions during your travels.

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 (59°F), with highs reaching up to 28°C (82°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec5112944566372695944279
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 87 mm (3.4 in) over the course of 10 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 87 mm (3.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec71026377810811018387384110
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 (59°F), this humidity feels like an oppressive blanket wrapping around you, making it challenging to enjoy outdoor activities and travel comfortably.

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.
JanFebMarAprMayJunJulAugSepOctNovDec78%75%70%65%72%82%87%89%84%83%67%70%
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 is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23578910107532
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-15°C (5°F)7 mm (0.3 inches)78%low
February Weather-12°C (12°F)10 mm (0.4 inches)75%moderate
March Weather-2°C (29°F)26 mm (1.0 inches)70%moderate
April Weather7°C (44°F)37 mm (1.5 inches)65%high
May Weather13°C (56°F)78 mm (3.1 inches)72%very high
June Weather17°C (63°F)108 mm (4.3 inches)82%very high
July Weather22°C (72°F)110 mm (4.3 inches)87%very high
August Weather20°C (69°F)183 mm (7.2 inches)89%very high
September Weather15°C (59°F)87 mm (3.4 inches)84%high
October Weather6°C (44°F)38 mm (1.5 inches)83%moderate
November Weather-3°C (27°F)41 mm (1.6 inches)67%moderate
December Weather-13°C (9°F)10 mm (0.4 inches)70%low

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