Temperature for September
In Mobile, AL during September the average high temperature is 87.7°F. The hottest day on record was September 11, 1980 when the temperature hit 99.0°F.

In Mobile, AL during September the average high temperature is 87.7°F. The hottest day on record was September 11, 1980 when the temperature hit 99.0°F.
In September the average monthly rainfall in Mobile, AL is 5.83 inches with rain usually falling on between 10 and 11 days. 1984 was the driest September with only 0.74 inches of rain falling, and 1979 was the wettest September with 19.94 inches of rain. The wettest single day in September was 13 September 1979 when 8.54 inches of rain fell.
There are thunderstorms on between 6 and 7 days in September.