September Rainfall and Precipitation in Pennsylvania
Average rainfall, rainy days and the driest cities in Pennsylvania, the United States of America in September.
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Best Places to Visit in Pennsylvania in September
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Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.
Pennsylvania precipitation in September: frequently asked questions
How much rainfall does Pennsylvania, the United States of America receive in September?
In September, Philadelphia typically receives significant rainfall, averaging around 108 mm (4.3 in). Expect a mix of wet and dry days with occasional showers.
How many days does it rain in Pennsylvania, the United States of America in September?
On average, Philadelphia has about 8 days days of rain in September.
Is September part of the rainy season in Pennsylvania, the United States of America?
No. September sits outside the typical rainy season in Pennsylvania, the United States of America, so you can expect drier conditions overall.
What is the wettest city in September in Pennsylvania, the United States of America?
Based on our records, Hummelstown receives the most rainfall in Pennsylvania, the United States of America in September, averaging about 140 mm (5.5 in).
What is the driest city in September in Pennsylvania, the United States of America?
In our records, Washington stands out as the driest city in Pennsylvania, the United States of America for September, averaging just 75 mm (3 in).
Interested in more climate information?
We have much more information about the climate in Pennsylvania.
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