The temperatures in Montserrat during September are extremely high, between 28°C and hot as 29°C, drinking water regularly is advisable.
With more than 22 rainy days, Montserrat is an incredibly wet during September. Be sure to pack your umbrella and bring along your rubber boots to stay dry. It’s going to be raining cats and dogs this month!
Our weather forecast can give you a great sense of what weather to expect in Montserrat in September 2025.
If you’re planning to visit Montserrat in the near future, we highly recommend that you review the 14 day weather forecast for Montserrat before you arrive.
Temperatures
29° / 28°
Rainy Days
28
Snowy Days
0
Dry Days
2
Rainfall
219
mm
Sun Hours
11.6
Hrs