The temperatures in Tempe during September are extremely high, between 27°C and hot as 37°C, drinking water regularly is advisable.
You can expect a few rainy days in Tempe 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 Tempe in September 2025.
If you’re planning to visit Tempe in the near future, we highly recommend that you review the 14 day weather forecast for Tempe before you arrive.
Temperatures
37° / 27°
Rainy Days
2
Snowy Days
0
Dry Days
28
Rainfall
54
mm
Sun Hours
11.9
Hrs
