Weather in Pittsburgh, Pennsylvania, United States in September
In an average September, Pittsburgh sees a daily high around 78°F and a low around 54°F, based on 1981–2026 of local climate records.
| Average high | 78°F |
|---|---|
| Typical high range | 68°F to 87°F |
| Average low | 54°F |
| Typical low range | 44°F to 63°F |
| Average daily precipitation | 0.10 in |
September records
The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
96°F
2011-09-03
Lowest
53°F
1984-09-27
Low
Highest
72°F
2016-09-08
Lowest
33°F
1989-09-27
Feels-like
Highest
124°F
2011-09-02
Lowest
28°F
1989-09-27
Humidity
Highest
20.0 g/m³
2020-09-02
Lowest
5.0 g/m³
1991-09-28
Wind
Highest
13 mph
2008-09-14
Lowest
3 mph
1986-09-24
Precip
Wettest
7.61 in
2004
Driest
0.85 in
2014
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