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Grand Baie weather in September 2025
Expect daytime maximum temperatures of 79°F in Grand Baie, 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 2.1 inches of rainfall in the month.
- 79°F max day temperature
79 - 7 hours of sunshine per day
- 12 days with some rainfall
12 - 63°F min night temperature
63 - 12 hours of daylight per day
12 - Low heat & humidity
L - 2.1 inches of monthly rainfall
2.1 - 10 (Very High) UV index
10 - 73°F sea temperature
73
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Recommended for Mauritius
The September weather guide for Mauritius (Grand Baie) 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)
More about Mauritius
How hot is it in Grand Baie in September?
Daytime temperatures usually reach 79°F in Grand Baie in September with low heat and humidity, falling to 63°F at night.
How sunny is it in Grand Baie in September?
There are normally 7 hours of bright sunshine each day in Grand Baie in September - that's 60% of daylight hours.
How warm is the sea around Grand Baie in September?
The average sea temperature around Grand Baie in September is 73°F.
Does it rain in Grand Baie in September?
There are usually 12 days with some rain in Grand Baie in September and the average monthly rainfall is 2.1 inches.
Grand Baie September sunrise & sunset times
Browse the sunrise and sunset times for Grand Baie in September 2025. Select a month to view Grand Baie sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st September 2025 | 06:18 | 18:01 |
| Monday, 15th September 2025 | 06:06 | 18:04 |
| Tuesday, 30th September 2025 | 05:52 | 18:08 |
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