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.
Temperatures
30° / 20°
Rainy Days
7
Snowy Days
0
Dry Days
23
Rainfall
105
mm
Sun Hours
8.0
Hrs
