Click on a day for an hourly weather forecast
The weather in Grenada in September is hot. The average temperatures are between 20°C and 30°C.
You can expect about 3 to 8 days of rain in Grenada during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Grenada in September 2025.
If you’re planning to visit Grenada in the near future, we highly recommend that you review the 14 day weather forecast for Grenada before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 11° / 2° | 8 | 22 | 1 | 138 mm | Bad | Grenada in January |
| February | 13° / 4° | 8 | 19 | 1 | 164 mm | Bad | Grenada in February |
| March | 18° / 8° | 9 | 22 | 0 | 180 mm | Ok | Grenada in March |
| April | 23° / 12° | 8 | 22 | 0 | 176 mm | Good | Grenada in April |
| May | 28° / 17° | 10 | 21 | 0 | 140 mm | Good | Grenada in May |
| June | 32° / 21° | 9 | 21 | 0 | 113 mm | Ok | Grenada in June |
| July | 33° / 23° | 12 | 19 | 0 | 113 mm | Ok | Grenada in July |
| August | 33° / 22° | 13 | 18 | 0 | 106 mm | Ok | Grenada in August |
| September | 30° / 20° | 7 | 23 | 0 | 105 mm | Ok | Grenada in September |
| October | 24° / 13° | 6 | 25 | 0 | 119 mm | Perfect | Grenada in October |
| November | 17° / 7° | 6 | 24 | 0 | 102 mm | Good | Grenada in November |
| December | 13° / 5° | 8 | 23 | 0 | 152 mm | Bad | Grenada in December |