Click on a day for an hourly weather forecast
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.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 26° / 25° | 3 | 29 | 0 | 80 mm | Perfect | Morne Trois Pitons in January |
| February | 26° / 25° | 2 | 26 | 0 | 65 mm | Perfect | Morne Trois Pitons in February |
| March | 26° / 25° | 2 | 29 | 0 | 70 mm | Perfect | Morne Trois Pitons in March |
| April | 27° / 25° | 4 | 26 | 0 | 109 mm | Perfect | Morne Trois Pitons in April |
| May | 28° / 26° | 5 | 26 | 0 | 137 mm | Perfect | Morne Trois Pitons in May |
| June | 28° / 27° | 5 | 25 | 0 | 120 mm | Perfect | Morne Trois Pitons in June |
| July | 28° / 27° | 7 | 24 | 0 | 171 mm | Good | Morne Trois Pitons in July |
| August | 29° / 27° | 7 | 24 | 0 | 211 mm | Ok | Morne Trois Pitons in August |
| September | 29° / 28° | 8 | 22 | 0 | 221 mm | Ok | Morne Trois Pitons in September |
| October | 29° / 28° | 9 | 22 | 0 | 210 mm | Ok | Morne Trois Pitons in October |
| November | 28° / 27° | 5 | 25 | 0 | 166 mm | Perfect | Morne Trois Pitons in November |
| December | 27° / 26° | 4 | 27 | 0 | 108 mm | Perfect | Morne Trois Pitons in December |