The temperatures in Saint James during September are extremely high, between 27°C and hot as 30°C, drinking water regularly is advisable.
With more than 22 rainy days, Saint James 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 Saint James in September 2025.
If you’re planning to visit Saint James in the near future, we highly recommend that you review the 14 day weather forecast for Saint James before you arrive.
Temperatures
30° / 27°
Rainy Days
27
Snowy Days
0
Dry Days
3
Rainfall
199
mm
Sun Hours
11.7
Hrs