Milwaukee, WI Climate in September

Temperature for September

In Milwaukee, WI during September the average high temperature is 73.3°F. The hottest day on record was September 1, 1953 when the temperature hit 98.4°F.

Milwaukee, WI daily average and extreme temperature range for September

Low Temperature

During September the overnight temperature drops to an average of 53.5°F, with the lowest temperature of 28.0°F being recorded on September 24, 1974. Overnight temperatures drop below freezing between 1 and 2 times in September.

Precipitation for September

In September the average monthly rainfall in Milwaukee, WI is 3.31 inches with rain usually falling on between 10 and 11 days. 1973 was the driest September with only 0.00 inches of rain falling, and 1992 was the wettest September with 43.46 inches of rain. The wettest single day in September was 9 September 1992 when 10.39 inches of rain fell.

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