The temperatures in Peoria during September are extremely high, between 28°C and hot as 36°C, drinking water regularly is advisable.
You can expect a few rainy days in Peoria during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Peoria in September 2025.
If you’re planning to visit Peoria in the near future, we highly recommend that you review the 14 day weather forecast for Peoria before you arrive.
Temperatures
36° / 28°
Rainy Days
2
Snowy Days
0
Dry Days
28
Rainfall
53
mm
Sun Hours
11.9
Hrs
