Phoenix weather by month › September
Phoenix in September: weather and what to expect
Very hot. Daytime highs average 102°F (39°C). February to March and November is more comfortable.
September weather in Phoenix
Daytime high102°F 39°C
Night low74°F 23°C
Rain0.6 in 16 mm
AirComfortable
SunStrong sun
In September, Phoenix averages highs of 102°F (39°C) and lows of 74°F (23°C), with 0.6 in (16 mm) of rain. The air feels comfortable and the sun is strong. 1991–2020 averages, not a forecast.
Pack: light clothes and sun protection.
Places with the same weather in September
Match out of 100 for September, one city per country.
Jan · Feb · Mar · Apr · May · Jun · Jul · Aug · Sep · Oct · Nov · Dec