Philadelphia weather in September (Pennsylvania, United States of America)
This month is known as a warm month.
The average maximum daytime temperature in Philadelphia in September lies at 26.0°C (78.8°F).
The average minimum temperature goes down to around 14.3°C (57.74°F) (often the minimum temperature is noted at night).
Rainfall during September is high with an average of 107mm (4.2 inchec). There are generally around 8 rainy days. If you enjoy blue skies and sunshine, then this is a great time to go to Philadelphia with 218 hours of sun during the entire month.
Philadelphia, monthly averages in September
Where to stay in Philadelphia
Where to go in the United States of America in SeptemberFind out more about the weather in the United States of America in September and which places have the best weather conditions in this month.
What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in September.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Philadelphia.
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