The temperatures in Harrisonburg in September are comfortable with low of 12°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Harrisonburg 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 Harrisonburg in September 2025.
If you’re planning to visit Harrisonburg in the near future, we highly recommend that you review the 14 day weather forecast for Harrisonburg before you arrive.
Temperatures
25° / 12°
Rainy Days
6
Snowy Days
0
Dry Days
24
Rainfall
136
mm
Sun Hours
9.8
Hrs