The weather in Perris in September is hot. The average temperatures are between 18°C and 32°C. Usually the days in September are hot while the nights are a bit cooler.
You can expect a few rainy days in Perris 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 Perris in September 2025.
If you’re planning to visit Perris in the near future, we highly recommend that you review the 14 day weather forecast for Perris before you arrive.
Temperatures
32° / 18°
Rainy Days
1
Snowy Days
0
Dry Days
29
Rainfall
8
mm
Sun Hours
11.3
Hrs
