Weather in Phoenix in September
The weather in Phoenix in September is extremely hot, while temperatures can easily rise above 39 degrees. This hot weather is not advisable for long walks and outdoors activity, so please prepare for summer conditions with water and comfortable light clothes for a trip in Phoenix during September.
Avg Temp
25° - 39°
Avg Rainy Days
5
Avg Dry Days
25
Avg Snow Days
0
Weather Facts - Phoenix in September
* The warmest temperature recorded in in September is 44°C
* The coldest temperature recorded in Phoenix in September is 18°C
* The average rainfall in Phoenix in September is 16 mm