Weather on September 22
Philadelphia, PA
55 Years of Data
Avg High
77°F
Avg Low
61°F
Warmest
1980
83°F avg
Coldest
1999
56°F avg
About This Date
September 22nd in Philadelphia, PA typically brings pleasant fall weather, with average highs around 77°F and lows near 61°F. Over 55 years of records, the warmest September 22nd was in 1980 (83°F average), while the coldest was 1999 (56°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 22nd dates historically, with the wettest September 22nd recording 3.05" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for September 22nd in Philadelphia, PA? Great weather for outdoor activities.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 58° | 66° | — | — |
| 2024 | 83° | 63° | 73° | — | — |
| 2023 | 78° | 58° | 68° | — | — |
| 2022 | 85° | 71° | 78° | — | — |
| 2021 | 81° | 71° | 76° | — | — |
| 2020 | 68° | 49° | 58° | — | — |
| 2019 | 88° | 61° | 74° | — | — |
| 2018 | 78° | 70° | 74° | 0.05" | — |
| 2017 | 88° | 70° | 79° | 0.23" | — |
| 2016 | 84° | 68° | 76° | — | — |
| 2015 | 71° | 62° | 67° | — | — |
| 2014 | 79° | 63° | 71° | — | — |
| 2013 | 81° | 61° | 71° | 3.05" | — |
| 2012 | 80° | 61° | 70° | — | — |
| 2011 | 80° | 71° | 76° | 0.13" | — |
| 2010 | 76° | 65° | 70° | — | — |
| 2009 | 78° | 69° | 74° | 0.05" | — |
| 2008 | 77° | 57° | 67° | — | — |
| 2007 | 83° | 66° | 74° | 0.48" | — |
| 2006 | 72° | 54° | 63° | — | — |
| 2005 | 91° | 64° | 78° | — | — |
| 2004 | 84° | 62° | 73° | — | — |
| 2003 | 82° | 69° | 76° | — | — |
| 2002 | 90° | 72° | 81° | — | — |
| 2001 | 83° | 68° | 75° | — | — |
| 2000 | 72° | 55° | 63° | — | — |
| 1999coldest | 63° | 50° | 56° | — | — |
| 1998 | 79° | 64° | 71° | 0.05" | — |
| 1997 | 72° | 50° | 61° | — | — |
| 1996 | 73° | 61° | 67° | 1.57" | — |
| 1995 | 74° | 59° | 66° | 0.03" | — |
| 1994 | 81° | 60° | 70° | — | — |
| 1993 | 66° | 56° | 61° | 0.18" | — |
| 1992 | 84° | 70° | 77° | — | — |
| 1991 | 70° | 50° | 60° | — | — |
| 1990 | 66° | 59° | 63° | — | — |
| 1989 | 81° | 73° | 77° | — | — |
| 1988 | 73° | 62° | 68° | — | — |
| 1987 | 75° | 58° | 66° | — | — |
| 1986 | 72° | 60° | 66° | — | — |
| 1985 | 82° | 68° | 75° | — | — |
| 1984 | 82° | 61° | 71° | — | — |
| 1983 | 67° | 55° | 61° | — | — |
| 1982 | 64° | 56° | 60° | — | — |
| 1981 | 81° | 57° | 69° | — | — |
| 1980warmest | 93° | 73° | 83° | — | — |
| 1979 | 67° | 57° | 62° | — | — |
| 1978 | 77° | 58° | 67° | 0.15" | — |
| 1977 | 60° | 58° | 59° | 0.23" | — |
| 1976 | 67° | 56° | 61° | — | — |
| 1975 | 72° | 60° | 66° | 0.48" | — |
| 1974 | 70° | 53° | 61° | — | — |
| 1973 | 76° | 58° | 67° | — | — |
| 1972 | 81° | 61° | 71° | — | — |
| 1971 | 72° | 55° | 63° | — | — |
55 years of data from PHILADELPHIA CITY