Phoenix, AZ Climate in September

Temperature for September

In Phoenix, AZ during September the average high temperature is 101.1°F. The hottest day on record was September 3, 1982 when the temperature hit 111.9°F.

Phoenix, AZ daily average and extreme temperature range for September

Low Temperature

During September the overnight temperature drops to an average of 75.8°F, with the lowest temperature of 53.1°F being recorded on September 19, 1985. In September it has never frozen overnight.

Precipitation for September

In September the average monthly rainfall in Phoenix, AZ is 0.92 inches with rain usually falling on between 3 and 4 days. 1978 was the driest September with only 0.00 inches of rain falling, and 1984 was the wettest September with 5.37 inches of rain. The wettest single day in September was 30 September 1983 when 1.66 inches of rain fell.

Tornados are reported on 0 and 1 days in September. There are thunderstorms on between 2 and 3 days in September.