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Hourly
7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Pittsburgh, PA
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September
Average Temperature
High
25°
Feels 26
Low
14°
Feels 14
Average Precipitation
10 Days
Rain amount
62.1mm
Snow amount
0cm
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
25°
19
25°
20
23°
21
19°
22
17°
23
17°
24
17°
25
18°
26
20°
27
20°
28
20°
29
21°
30
22°
Forecast
Friday, September 18, 2026
Day
25°
Feels 25
Wind
11 km/h N
Gust
17 km/h
Humidity
61%
P.O.P
30%
Night
15°
Feels 15
Wind
11 km/h N
Gust
17 km/h
Humidity
88%
P.O.P
20%
Historical Averages
Sep 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.