Philadelphia weather in September
Warm and pleasant, with some rainy days. Average highs of 26°C and lows of 17°C, with around 10 rainy days expected throughout the month.
✦ This is a recommended month to visit Philadelphia. The combination of weather, atmosphere and experience is at its best.
Average high
26°C
Average low
17°C
Rainy days
10 days
Best months to visit
June, September
What to do in Philadelphia in September
Whatever the weather, Philadelphia rewards curious visitors. Here are some of the best ways to spend your time:
Explore
Dine
Culture
Nature
Shopping
Day trips
What to pack for September
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
5C
Cold, with some rainy days.
February
7C
Cold, with some rainy days.
March
11C
Cool, with some rainy days.
April
17C
Cool, with some rainy days.
May
23C
Mild and comfortable, with some rainy days.
Recommended
June
27C
Warm and pleasant, with some rainy days.
July
30C
Hot and humid, with some rainy days.
August
29C
Warm and pleasant, with some rainy days.
Recommended
September (you are here)
26C
Warm and pleasant, with some rainy days.
October
20C
Mild and comfortable, with some rainy days.
November
13C
Cool, with occasional showers.
December
8C
Cold, with some rainy days.
Book your September trip to Philadelphia
Find hotels, tours and experiences for the perfect escape.
