The temperatures in Plainfield in September are comfortable with low of 16°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Plainfield 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 Plainfield in September 2025.
If you’re planning to visit Plainfield in the near future, we highly recommend that you review the 14 day weather forecast for Plainfield before you arrive.
Temperatures
25° / 16°
Rainy Days
7
Snowy Days
0
Dry Days
23
Rainfall
107
mm
Sun Hours
6.8
Hrs
