The temperatures in Montpelier in September are usually low and can range between 10°C and 20°C.
You can expect about 3 to 8 days of rain in Montpelier 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 Montpelier in September 2025.
If you’re planning to visit Montpelier in the near future, we highly recommend that you review the 14 day weather forecast for Montpelier before you arrive.
Temperatures
20° / 10°
Rainy Days
6
Snowy Days
0
Dry Days
24
Rainfall
105
mm
Sun Hours
6.3
Hrs
