Measurements:
°C
°F
Philadelphia
16°F
SE 11 mph
Feels like: 4°F
Precip: 0%
World Resorts USA Philadelphia Weather September Weather in Philadelphia

Philadelphia Weather: September

Average Day Temperature: 79.1°F
Average Night Temperature: 66.1°F
Number of Sunny Days: 12 days
Sunshine Hours: 11.8 - 13.1 hours
Number of Rainy Days: 4 days
Precipitation Totals: 2.1 in

Air Temperature in September, °F

Select Year: 2024 2023 2022

The highest day temperature in September 2024 was 88°F. The lowest night temperature was 57°F. The average values for day and night temperatures during September were 79.0°F и 66.2°F respectivly.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Philadelphia is 2.1 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 6.6 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Philadelphia in September is 7.2 hours.

Best Time to Visit Philadelphia
The most sunny months:
July 14 days
August 14 days
October 13 days
The most warm months:
July 90.7 °F
August 87.7 °F
June 83.1 °F
The most cold months:
January 34.7 °F
February 38.2 °F
December 41.9 °F
The most rainy months:
August 6 days
June 6 days
July 6 days
The most windy months:
March 9 mph
April 9 mph
January 8 mph

Philadelphia on the Weather Map

USA Resorts:
NAME
Boston +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
24 Hours Weather Forecast
Philadelphia
Local time: 05:35
22 dec, sunday
0600 16°F
SE
11 mph
0900 16°F
SE
10 mph
1200 22°F
SE
9 mph
1500 26°F
SE
9 mph
1800 26°F
SE
7 mph
2100 20°F
S
7 mph
23 dec, monday
0000 18°F
S
5 mph
0300 16°F
S
4 mph