Weather on September 3
Pittsburgh, PA
55 Years of Data
Avg High
80°F
Avg Low
61°F
Warmest
2011
82°F avg
Coldest
1974
58°F avg
About This Date
September 3rd in Pittsburgh, PA typically brings warm fall weather, with average highs around 80°F and lows near 61°F. Over 44 years of records, the warmest September 3rd was in 2011 (82°F average), while the coldest was 1974 (58°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 27% of September 3rd dates historically, with the wettest September 3rd recording 3.15" of rain. The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
Planning for September 3rd in Pittsburgh, PA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 52° | 67° | — | — |
| 2024 | 75° | 50° | 63° | — | — |
| 2023 | 88° | 68° | 78° | — | — |
| 2022 | 84° | 66° | 75° | — | — |
| 2021 | 72° | 50° | 61° | — | — |
| 2020 | 75° | 66° | 71° | 0.43" | — |
| 2019 | 80° | 60° | 70° | — | — |
| 2018 | 91° | 69° | 80° | — | — |
| 2017 | 71° | 56° | 63° | 0.1" | — |
| 2016 | 78° | 56° | 67° | — | — |
| 2015 | 87° | 67° | 77° | — | — |
| 2014 | 81° | 64° | 72° | — | — |
| 2013 | 72° | 58° | 65° | — | — |
| 2012 | 86° | 70° | 78° | — | — |
| 2011warmest | 92° | 72° | 82° | — | — |
| 2010 | 90° | 62° | 76° | 0.43" | — |
| 2009 | 76° | 53° | 64° | — | — |
| 2008 | 87° | 62° | 75° | — | — |
| 2007 | 83° | 60° | 71° | — | — |
| 2006 | 64° | 56° | 60° | — | — |
| 2005 | 76° | 59° | 67° | — | — |
| 2004 | 81° | 61° | 71° | — | — |
| 2003 | 80° | 67° | 73° | 0.23" | — |
| 2002 | 91° | 66° | 79° | 1.27" | — |
| 2001 | 79° | 56° | 67° | — | — |
| 2000 | 84° | 66° | 75° | — | — |
| 1999 | 89° | 62° | 76° | — | — |
| 1998 | 79° | 59° | 69° | — | — |
| 1997 | 75° | 58° | 66° | 0.1" | — |
| 1996 | 88° | 65° | 76° | — | — |
| 1995 | 85° | 56° | 70° | — | — |
| 1994 | 68° | 52° | 60° | — | — |
| 1993 | 82° | 70° | 76° | 3.15" | — |
| 1992 | 78° | 69° | 74° | 0.38" | — |
| 1991 | 83° | 65° | 74° | — | — |
| 1979 | 85° | 71° | 78° | — | — |
| 1978 | 77° | 61° | 69° | 1.02" | — |
| 1977 | 78° | 64° | 71° | — | — |
| 1976 | 79° | 48° | 63° | — | — |
| 1975 | 76° | 54° | 65° | 0.25" | — |
| 1974coldest | 64° | 52° | 58° | 2.82" | — |
| 1973 | 93° | 68° | 81° | — | — |
| 1972 | 66° | 61° | 63° | 0.15" | — |
| 1971 | 84° | 69° | 77° | — | — |
44 years of data from PITTSBURGH WSO CITY