The weather in Tucson in September is hot. The average temperatures are between 22°C and 34°C.
You can expect a few rainy days in Tucson 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 Tucson in September 2025.
If you’re planning to visit Tucson in the near future, we highly recommend that you review the 14 day weather forecast for Tucson before you arrive.
Temperatures
34° / 22°
Rainy Days
2
Snowy Days
0
Dry Days
28
Rainfall
43
mm
Sun Hours
11.8
Hrs
