The temperatures in Baie Mahault during September are extremely high, between 28°C and hot as 29°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of September in Baie Mahault. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Baie Mahault in September 2025.
If you’re planning to visit Baie Mahault in the near future, we highly recommend that you review the 14 day weather forecast for Baie Mahault before you arrive.
Temperatures
29° / 28°
Rainy Days
9
Snowy Days
0
Dry Days
21
Rainfall
236
mm
Sun Hours
11.3
Hrs
