Weather in Pittsburgh in September
In an average September, Pittsburgh sees a daily high around 76°F and a low around 57°F, based on 1980–2026 of local climate records.
| Average high | 76°F |
|---|---|
| Typical high range | 67°F to 84°F |
| Average low | 57°F |
| Typical low range | 47°F to 66°F |
| Average daily precipitation | 0.10 in |
September records
The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
94°F
2011-09-03
Lowest
47°F
1984-09-28
Low
Highest
73°F
2011-09-03
Lowest
35°F
1983-09-24
Feels-like
Highest
119°F
2018-09-05
Lowest
30°F
1983-09-24
Humidity
Highest
20.7 g/m³
2016-09-09
Lowest
5.0 g/m³
1983-09-22
Wind
Highest
22 mph
2008-09-15
Lowest
3 mph
1997-09-01
Gust
Highest
51 mph
2005-09-29
Lowest
8 mph
2006-09-07
Precip
Wettest
11.37 in
2018
Driest
1.04 in
2007
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