The temperatures in Morne Trois Pitons 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 Morne Trois Pitons. 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 Morne Trois Pitons in September 2025.
If you’re planning to visit Morne Trois Pitons in the near future, we highly recommend that you review the 14 day weather forecast for Morne Trois Pitons before you arrive.
Temperatures
29° / 28°
Rainy Days
8
Snowy Days
0
Dry Days
22
Rainfall
221
mm
Sun Hours
11.4
Hrs
