World Resorts USA Philadelphia Weather

Philadelphia weather in September

Weather in Philadelphia: September

Average day temperature: 76.2°F
Average night temperature: 64.4°F
Number of sunny days: 12 days
Day length: 11.8 - 13.1 hours
Number of rainy days: 4 days
Precipitation totals: 2.2 in.

Air temperature in September, °F

Show year:
2023
2022
2021

The highest day temperature during September of 2023 was 99°F. At the same time the lowest night temperature was 53°F. Day and night temperature averages during September were 76.9°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 1.7 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 13 days
November 13 days
Warmest months:
July 86.6 °F
August 84.0 °F
June 79.4 °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
+77°F
E 8 mph
Feels like: +79°F
Precip.: 84%
Places in USA:
Name
°F
+68°F
+81°F
+77°F
+77°F
+77°F
+72°F
+77°F
+66°F
+79°F
+66°F
+59°F
+79°F
+84°F
+77°F
+68°F
24 Hours Forecast
Philadelphia
Local time: 18:24
April 28, sunday
2100
70°F
NE
5 mph
April 29, monday
0000
66°F
E
7 mph
0300
63°F
E
4 mph
0600
63°F
SE
4 mph
0900
70°F
S
4 mph
1200
81°F
SE
5 mph
1500
84°F
SE
6 mph
1800
79°F
E
4 mph
Units of measurement: °C / °F