World Resorts USA Philadelphia Weather

Philadelphia weather in September

Weather in Philadelphia: September

Average day temperature: 76.2°F
Average night temperature: 64.5°F
Number of sunny days: 12 days
Day length: 11.8 - 13.1 hours
Number of rainy days: 4 days
Precipitation totals: 2.1 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 84°F. At the same time the lowest night temperature was 56°F. Day and night temperature averages during September were 76.1°F and 64.5°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

Precipitation total value in Philadelphia in September is 1.5 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 6.8 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.0.

Best time for vacation in Philadelphia

Sunniest months:
July 14 days
August 14 days
October 13 days
Warmest months:
July 86.6 °F
August 84.0 °F
June 79.8 °F
Coldest months:
January 36.2 °F
February 39.3 °F
December 42.7 °F
Rainiest months:
August 6 days
June 6 days
July 6 days
Windiest months:
March 9.2 mph
April 9.2 mph
January 8.6 mph

Philadelphia on a weather map

Philadelphia
+46°F
SE 12 mph
Feels like: +39°F
Precip.: 0%
Places in USA:
Name
°F
+46°F
+50°F
+75°F
+75°F
+45°F
+57°F
+75°F
+70°F
+46°F
+54°F
+55°F
+70°F
+68°F
+66°F
+34°F
24 Hours Forecast
Philadelphia
Local time: 13:24
November 21, thursday
1500
46°F
SE
11 mph
1800
46°F
SE
7 mph
2100
45°F
SE
8 mph
November 22, friday
0000
41°F
E
10 mph
0300
37°F
E
10 mph
0600
37°F
E
9 mph
0900
37°F
NE
11 mph
1200
41°F
NE
11 mph
Units of measurement: °C / °F