Average data for 10 years
1 September
Sunday
+27°
+20°
2 September
Monday
+25°
+19°
3 September
Tuesday
+25°
+19°
4 September
Wednesday
+24°
+19°
5 September
Thursday
+24°
+18°
6 September
Friday
+25°
+18°
7 September
Saturday
+24°
+19°
8 September
Sunday
+23°
+19°
9 September
Monday
+22°
+17°
10 September
Tuesday
+23°
+17°
11 September
Wednesday
+21°
+16°
12 September
Thursday
+22°
+16°
13 September
Friday
+22°
+16°
14 September
Saturday
+23°
+17°
15 September
Sunday
+20°
+16°
16 September
Monday
+21°
+15°
17 September
Tuesday
+23°
+15°
18 September
Wednesday
+23°
+17°
19 September
Thursday
+22°
+15°
20 September
Friday
+24°
+17°
21 September
Saturday
+23°
+18°
22 September
Sunday
+23°
+17°
23 September
Monday
+24°
+16°
24 September
Tuesday
+22°
+17°
25 September
Wednesday
+22°
+15°
26 September
Thursday
+22°
+16°
27 September
Friday
+21°
+16°
28 September
Saturday
+19°
+15°
29 September
Sunday
+17°
+15°
30 September
Monday
+16°
+12°
Cities near you
United States
Washington
Canada
Toronto
United States
Detroit
United States
Baltimore
United States
Columbus
Cities with similar weather in September
Georgia
Tbilisi
United States
New York
Bulgaria
Burgas
Montenegro
Tivat
In September, the weather in Pittsburgh is typically warm. Average daily high temperature in September is about 22 degrees above zero. On average, Pittsburgh has 13 sunny, 9 partly cloudy, and 8 rainy days in September. The rains are usually moderate. September as well as August is considered the most comfortable time to visit Pittsburgh.