Mauritius weather in September 2025

Expect 26°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Mauritius in September. Check more long-term weather averages for Mauritius in September before you book your next holiday to Mauritius in 2025/2026.

  • 26°C maximum daytime temperature in September in Mauritius (Port Louis)26
    26°C max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in September in Mauritius (Port Louis)12
    12 days with some rainfall
  • 17°C minimum night-time temperature in September in Mauritius (Port Louis)17
    17°C min night temperature
  • 12 hours of daylight per day in September in Mauritius (Port Louis)12
    12 hours of daylight per day
  • Low heat & humidity in September in Mauritius (Port Louis)L
    Low heat & humidity
  • 54 mm monthly rainfall in September in Mauritius (Port Louis)54
    54 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Mauritius (Port Louis)10
    10 (Very High) UV index
  • 23°C sea temperature in September in Mauritius (Port Louis)23
    23°C sea temperature

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The September weather guide for Mauritius (Port Louis) 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.

Top Mauritius destinations

Below are average maximum temperatures at popular countries, regions and places in Mauritius in September. Select a holiday destination to see more weather parameters.

All Mauritius destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Mauritius

How hot is it in Mauritius in September?

Daytime temperatures usually reach 26°C in Port Louis, Mauritius in September with low heat and humidity, falling to 17°C at night.

How sunny is it in Mauritius in September?

There are normally 7 hours of bright sunshine each day in Port Louis, Mauritius in September - that's 60% of daylight hours.

How warm is the sea around Mauritius in September?

The average sea temperature around Port Louis, Mauritius in September is 23°C.

Does it rain in Mauritius in September?

There are usually 12 days with some rain in Port Louis, Mauritius in September and the average monthly rainfall is 54mm.

Mauritius September sunrise & sunset times

Browse the sunrise and sunset times for Mauritius in September 2025. Select a month to view Mauritius sunrise and sunset times for the next 12 months. The Mauritius sunrise and sunset times shown below are for Port Louis.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:19 18:02
Monday, 15th September 2025 06:06 18:05
Tuesday, 30th September 2025 05:52 18:08

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