Temperature for September
In Providence, RI during September the average high temperature is 75.5°F. The hottest day on record was September 11, 1983 when the temperature hit 100.0°F.

In Providence, RI during September the average high temperature is 75.5°F. The hottest day on record was September 11, 1983 when the temperature hit 100.0°F.
In September the average monthly rainfall in Providence, RI is 4.16 inches with rain usually falling on between 10 and 11 days. 1942 was the driest September with only 0.00 inches of rain falling, and 2008 was the wettest September with 11.09 inches of rain. The wettest single day in September was 29 September 2004 when 2.95 inches of rain fell.
There are thunderstorms on between 1 and 2 days in September.