Weather on September 5
Philadelphia, PA
55 Years of Data
Avg High
83°F
Avg Low
66°F
Warmest
1985
87°F avg
Coldest
2000
62°F avg
About This Date
September 5th in Philadelphia, PA typically brings warm fall weather, with average highs around 83°F and lows near 66°F. Over 55 years of records, the warmest September 5th was in 1985 (87°F average), while the coldest was 2000 (62°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 9% of September 5th dates historically, with the wettest September 5th recording 4.24" of rain. The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.
Planning for September 5th in Philadelphia, PA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 68° | 78° | — | — |
| 2024 | 80° | 59° | 70° | — | — |
| 2023 | 97° | 78° | 87° | — | — |
| 2022 | 91° | 73° | 82° | — | — |
| 2021 | 81° | 61° | 71° | — | — |
| 2020 | 89° | 65° | 77° | — | — |
| 2019 | 92° | 67° | 79° | 0.38" | — |
| 2018 | 97° | 78° | 87° | — | — |
| 2017 | 83° | 62° | 72° | — | — |
| 2016 | 81° | 63° | 72° | — | — |
| 2015 | 87° | 70° | 78° | — | — |
| 2014 | 89° | 73° | 81° | — | — |
| 2013 | 83° | 66° | 74° | — | — |
| 2012 | 84° | 73° | 79° | 4.24" | — |
| 2011 | 86° | 63° | 74° | 1.04" | — |
| 2010 | 81° | 62° | 71° | — | — |
| 2009 | 86° | 68° | 77° | — | — |
| 2008 | 91° | 75° | 83° | 0.36" | — |
| 2007 | 85° | 67° | 76° | — | — |
| 2006 | 72° | 62° | 67° | 3.51" | — |
| 2005 | 86° | 65° | 75° | — | — |
| 2004 | 71° | 64° | 68° | — | — |
| 2003 | 80° | 66° | 73° | — | — |
| 2002 | 85° | 68° | 76° | — | — |
| 2001 | 80° | 63° | 71° | — | — |
| 2000coldest | 70° | 55° | 62° | — | — |
| 1999 | 82° | 73° | 78° | — | — |
| 1998 | 84° | 69° | 77° | — | — |
| 1997 | 78° | 56° | 67° | — | — |
| 1996 | 88° | 72° | 80° | — | — |
| 1995 | 89° | 68° | 79° | — | — |
| 1994 | 72° | 54° | 63° | — | — |
| 1993 | 85° | 67° | 76° | — | — |
| 1992 | 74° | 65° | 69° | — | — |
| 1991 | 83° | 68° | 75° | — | — |
| 1990 | 79° | 64° | 71° | — | — |
| 1989 | 73° | 60° | 67° | — | — |
| 1988 | 77° | 59° | 68° | — | — |
| 1987 | 77° | 59° | 68° | — | — |
| 1986 | 78° | 67° | 72° | — | — |
| 1985warmest | 95° | 79° | 87° | — | — |
| 1984 | 74° | 60° | 67° | — | — |
| 1983 | 97° | 75° | 86° | — | — |
| 1982 | 81° | 57° | 69° | — | — |
| 1981 | 80° | 66° | 73° | — | — |
| 1980 | 84° | 70° | 77° | — | — |
| 1979 | 82° | 70° | 76° | — | — |
| 1978 | 83° | 62° | 72° | — | — |
| 1977 | 84° | 69° | 77° | — | — |
| 1976 | 84° | 63° | 73° | — | — |
| 1975 | 82° | 64° | 73° | — | — |
| 1974 | 72° | 57° | 64° | — | — |
| 1973 | 91° | 75° | 83° | — | — |
| 1972 | 73° | 58° | 65° | — | — |
| 1971 | 90° | 70° | 80° | — | — |
55 years of data from PHILADELPHIA WSFO