Weather on September 5
Pittsburgh, PA
55 Years of Data
Avg High
79°F
Avg Low
60°F
Warmest
2018
81°F avg
Coldest
1974
57°F avg
About This Date
September 5th in Pittsburgh, PA typically brings pleasant fall weather, with average highs around 79°F and lows near 60°F. Over 44 years of records, the warmest September 5th was in 2018 (81°F average), while the coldest was 1974 (57°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 30% of September 5th dates historically, with the wettest September 5th recording 2.51" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for September 5th in Pittsburgh, PA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 56° | 67° | 0.1" | — |
| 2024 | 82° | 55° | 69° | — | — |
| 2023 | 90° | 68° | 79° | — | — |
| 2022 | 75° | 69° | 72° | 0.53" | — |
| 2021 | 73° | 63° | 68° | 0.51" | — |
| 2020 | 77° | 53° | 65° | — | — |
| 2019 | 76° | 54° | 65° | — | — |
| 2018warmest | 91° | 71° | 81° | — | — |
| 2017 | 74° | 60° | 67° | 1.35" | — |
| 2016 | 84° | 59° | 72° | — | — |
| 2015 | 90° | 67° | 78° | 2.51" | — |
| 2014 | 86° | 68° | 77° | — | — |
| 2013 | 73° | 54° | 63° | — | — |
| 2012 | 86° | 71° | 79° | — | — |
| 2011 | 67° | 58° | 62° | 2.08" | — |
| 2010 | 71° | 49° | 60° | — | — |
| 2009 | 81° | 58° | 69° | — | — |
| 2008 | 89° | 67° | 78° | — | — |
| 2007 | 85° | 65° | 75° | — | — |
| 2006 | 68° | 60° | 64° | 0.61" | — |
| 2005 | 78° | 54° | 66° | — | — |
| 2004 | 82° | 64° | 73° | — | — |
| 2003 | 69° | 55° | 62° | 0.03" | — |
| 2002 | 78° | 57° | 68° | — | — |
| 2001 | 74° | 55° | 64° | — | — |
| 2000 | 68° | 49° | 58° | — | — |
| 1999 | 77° | 68° | 73° | 0.1" | — |
| 1998 | 86° | 60° | 73° | — | — |
| 1997 | 76° | 53° | 64° | — | — |
| 1996 | 84° | 69° | 77° | — | — |
| 1995 | 89° | 59° | 74° | — | — |
| 1994 | 75° | 50° | 63° | — | — |
| 1993 | 82° | 59° | 71° | — | — |
| 1992 | 84° | 65° | 74° | — | — |
| 1991 | 76° | 53° | 64° | 1.04" | — |
| 1979 | 82° | 67° | 74° | 0.08" | — |
| 1978 | 84° | 56° | 70° | — | — |
| 1977 | 88° | 65° | 76° | — | — |
| 1976 | 69° | 54° | 61° | — | — |
| 1975 | 78° | 59° | 69° | 0.99" | — |
| 1974coldest | 69° | 45° | 57° | — | — |
| 1973 | 90° | 69° | 79° | 0.18" | — |
| 1972 | 72° | 48° | 60° | — | — |
| 1971 | 90° | 67° | 78° | — | — |
44 years of data from PITTSBURGH WSO CITY