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Mauritius weather in September 2025
Expect daytime maximum temperatures of 26°C in Mauritius in September based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 54 mm of rainfall in the month.
- 26°C max day temperature
26 - 7 hours of sunshine per day
- 12 days with some rainfall
12 - 17°C min night temperature
17 - 12 hours of daylight per day
12 - Low heat & humidity
L - 54 mm of monthly rainfall
54 - 10 (Very High) UV index
10 - 23°C sea temperature
23
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Recommended for Mauritius
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
- Bel Ombre
- Belle Mare
- Blue Bay
- Flic-en-Flac
- Grand Baie
- Grand Gaube
- Le Morne
- Port Louis
- Poste de Flacq
- Rodrigues Island
- Trou aux Biches
- Trou d'Eau Douce
Metric (°C / mm) | Imperial (°F / inches)
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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