World Resorts USA Pittsburgh Weather

Pittsburgh weather in September

Weather in Pittsburgh: September

Average day temperature: 74.5°F
Average night temperature: 60.3°F
Number of sunny days: 15 days
Day length: 11.8 - 13.1 hours
Number of rainy days: 2 days
Precipitation totals: 1.0 in.

Air temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
14
28
42
56
70
84
98
112
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 85°F. At the same time the lowest night temperature was 47°F. Daily and nightly averages during September were 75.9°F and 61.0°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
48%
23%
29%

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.6
0.9
1.2
1.4
1.7
2.0
1.1
1.5
1.5
1.6
1.6
1.7
1.2
1.3
1.1
1.0
1.5
1.5
1.6
1.6
1.7
1.2
1.3

Precipitation total value in Pittsburgh in September is 1.0 in. Other months of the year show relatively similar values.

Wind speed in September, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.4
2.7
4.1
5.4
6.8
8.1
9.5
6.8
6.9
5.7
4.7
4.8
5.7
6.0
7.2
7.9
7.2
7.3
6.8
6.9
5.7
5.3
4.7
4.8
5.7
6.0
7.2
7.9
7.2
7.3

The average wind speed value in September is 5.3 mph It makes September one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.4
2.9
4.3
5.8
7.2
8.7
10.1
3.2
5.0
6.1
7.7
8.0
8.4
7.5
5.4
5.4
3.9
2.6
3.2
5.0
6.1
7.5
7.7
8.0
8.4
7.5
5.4
5.4
3.9
2.6

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: 7.5.

Best time for vacation in Pittsburgh

Sunniest months:
September 15 days
October 12 days
June 11 days
Warmest months:
July 82.6 °F
August 80.9 °F
June 77.5 °F
Coldest months:
January 34.0 °F
February 38.1 °F
December 40.2 °F
Rainiest months:
August 4 days
June 4 days
March 3 days
Windiest months:
March 7.9 mph
January 7.3 mph
April 7.2 mph

Pittsburgh on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+39°F
+73°F
+75°F
+75°F
+61°F
+66°F
+77°F
+45°F
+73°F
+59°F
+52°F
+73°F
+77°F
+61°F
+43°F
24 Hours Forecast
Pittsburgh
Local time: 22:54
April 06, sunday
0000
52°F
SE
7 mph
0300
46°F
SE
9 mph
0600
41°F
S
8 mph
0900
39°F
S
8 mph
1200
37°F
S
8 mph
1500
37°F
S
6 mph
1800
36°F
SW
6 mph
2100
36°F
SW
6 mph
Units of measurement: °C / °F