Mahe weather in September 2025

Expect daytime maximum temperatures of 82°F in Mahe, Seychelles in September based on long-term weather averages. There are 8 hours of sunshine per day on average with 15 days with some rainfall and typically 5.3 inches of rainfall in the month.

  • 82°F maximum daytime temperature in September in Mahe82
    82°F max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in September in Mahe15
    15 days with some rainfall
  • 75°F minimum night-time temperature in September in Mahe75
    75°F min night temperature
  • 12 hours of daylight per day in September in Mahe12
    12 hours of daylight per day
  • Moderate heat & humidity in September in MaheM
    Moderate heat & humidity
  • 5.3 inches monthly rainfall in September in Mahe5.3
    5.3 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Mahe11
    11+ (Extreme) UV index
  • 81°F sea temperature in September in Mahe81
    81°F sea temperature

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The September weather guide for Seychelles (Mahe) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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More about the Seychelles

How hot is it in Mahe in September?

Daytime temperatures usually reach 82°F in Mahe in September with moderate heat and humidity, falling to 75°F at night.

How sunny is it in Mahe in September?

There are normally 8 hours of bright sunshine each day in Mahe in September - that's 64% of daylight hours.

How warm is the sea around Mahe in September?

The average sea temperature around Mahe in September is 81°F.

Does it rain in Mahe in September?

There are usually 15 days with some rain in Mahe in September and the average monthly rainfall is 5.3 inches.

Mahe September sunrise & sunset times

Browse the sunrise and sunset times for Mahe in September 2025. Select a month to view Mahe sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:18 18:19
Monday, 15th September 2025 06:11 18:16
Tuesday, 30th September 2025 06:04 18:12

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