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Grand-Bourg, Marie Galante weather in September 2025
Expect 31°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Grand-Bourg, Marie Galante in September. Check more long-term weather averages for Grand-Bourg, Marie Galante in September before you book your next holiday to Guadeloupe in 2025/2026.
- 31°C max day temperature
31 - 7 hours of sunshine per day
- 20 days with some rainfall
20 - 23°C min night temperature
23 - 12 hours of daylight per day
12 - High heat & humidity
H - 236 mm of monthly rainfall
236 - 11+ (Extreme) UV index
11 - 29°C sea temperature
29
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The September weather guide for Guadeloupe (Grand-Bourg, Marie Galante) 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 / mm) | Imperial (°F / inches)
How hot is it in Grand-Bourg, Marie Galante in September?
Daytime temperatures usually reach 31°C in Grand-Bourg, Marie Galante in September with high heat and humidity, falling to 23°C at night.
How sunny is it in Grand-Bourg, Marie Galante in September?
There are normally 7 hours of bright sunshine each day in Grand-Bourg, Marie Galante in September - that's 59% of daylight hours.
How warm is the sea around Grand-Bourg, Marie Galante in September?
The average sea temperature around Grand-Bourg, Marie Galante in September is 29°C.
Does it rain in Grand-Bourg, Marie Galante in September?
There are usually 20 days with some rain in Grand-Bourg, Marie Galante in September and the average monthly rainfall is 236mm.
What is the chance of a hurricane in Grand-Bourg, Marie Galante in September?
On average 1.2 days in September in Grand-Bourg, Marie Galante are likely to be affected by the passage of one or more tropical storms.
Grand-Bourg, Marie Galante September sunrise & sunset times
Browse the sunrise and sunset times for Grand-Bourg, Marie Galante in September 2025. Select a month to view Grand-Bourg, Marie Galante sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st September 2025 | 05:52 | 18:18 |
| Monday, 15th September 2025 | 05:54 | 18:07 |
| Tuesday, 30th September 2025 | 05:55 | 17:55 |
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