Mesa, AZ Climate in September

Temperature for September

In Mesa, AZ during September the average high temperature is 97.3°F. The hottest day on record was September 1, 1950 when the temperature hit 113.4°F.

Mesa, AZ daily average and extreme temperature range for September

Low Temperature

During September the overnight temperature drops to an average of 72.4°F, with the lowest temperature of 50.4°F being recorded on September 30, 1965. In September it has never frozen overnight.

Precipitation for September

In September the average monthly rainfall in Mesa, AZ is 0.31 inches with rain usually falling on between 3 and 4 days. 2012 was the driest September with only 0.00 inches of rain falling, and 1983 was the wettest September with 4.65 inches of rain. The wettest single day in September was 30 September 1983 when 2.64 inches of rain fell.

There are thunderstorms on between 2 and 3 days in September.