Weather on September 8
Philadelphia, PA
55 Years of Data
Avg High
82°F
Avg Low
66°F
Warmest
2023
87°F avg
Coldest
1978
64°F avg
About This Date
September 8th in Philadelphia, PA typically brings warm fall weather, with average highs around 82°F and lows near 66°F. Over 54 years of records, the warmest September 8th was in 2023 (87°F average), while the coldest was 1978 (64°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 9% of September 8th dates historically, with the wettest September 8th recording 7.01" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for September 8th in Philadelphia, PA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 57° | 67° | — | — |
| 2024 | 81° | 55° | 68° | 0.46" | — |
| 2023warmest | 99° | 75° | 87° | — | — |
| 2022 | 72° | 64° | 68° | — | — |
| 2021 | 86° | 65° | 75° | — | — |
| 2020 | 87° | 67° | 77° | — | — |
| 2018 | 86° | 66° | 76° | 7.01" | — |
| 2017 | 74° | 58° | 66° | — | — |
| 2016 | 91° | 72° | 81° | — | — |
| 2015 | 91° | 72° | 81° | — | — |
| 2014 | 83° | 66° | 74° | 0.15" | — |
| 2013 | 81° | 67° | 74° | — | — |
| 2012 | 89° | 72° | 80° | — | — |
| 2011 | 74° | 68° | 71° | 0.36" | — |
| 2010 | 89° | 75° | 82° | — | — |
| 2009 | 75° | 67° | 71° | — | — |
| 2008 | 84° | 72° | 78° | — | — |
| 2007 | 88° | 70° | 79° | — | — |
| 2006 | 84° | 65° | 74° | — | — |
| 2005 | 93° | 66° | 80° | — | — |
| 2004 | 83° | 72° | 77° | 0.18" | — |
| 2003 | 84° | 66° | 75° | — | — |
| 2002 | 90° | 64° | 77° | — | — |
| 2001 | 86° | 67° | 76° | — | — |
| 2000 | 77° | 59° | 68° | — | — |
| 1999 | 88° | 72° | 80° | — | — |
| 1998 | 74° | 60° | 67° | — | — |
| 1997 | 82° | 67° | 74° | — | — |
| 1996 | 90° | 75° | 82° | — | — |
| 1995 | 88° | 70° | 79° | — | — |
| 1994 | 79° | 59° | 69° | — | — |
| 1993 | 69° | 63° | 66° | — | — |
| 1992 | 84° | 68° | 76° | — | — |
| 1991 | 87° | 67° | 77° | — | — |
| 1990 | 74° | 59° | 66° | — | — |
| 1989 | 84° | 63° | 73° | — | — |
| 1988 | 77° | 57° | 67° | — | — |
| 1987 | 77° | 71° | 74° | — | — |
| 1986 | 73° | 61° | 67° | — | — |
| 1985 | 92° | 74° | 83° | — | — |
| 1984 | 79° | 58° | 68° | — | — |
| 1983 | 86° | 69° | 78° | — | — |
| 1982 | 73° | 61° | 67° | — | — |
| 1981 | 80° | 66° | 73° | — | — |
| 1980 | 83° | 65° | 74° | — | — |
| 1979 | 72° | 60° | 66° | — | — |
| 1978coldest | 72° | 56° | 64° | — | — |
| 1977 | 78° | 64° | 71° | — | — |
| 1976 | 89° | 67° | 78° | — | — |
| 1975 | 83° | 66° | 74° | — | — |
| 1974 | 79° | 64° | 71° | — | — |
| 1973 | 83° | 64° | 73° | — | — |
| 1972 | 85° | 62° | 73° | — | — |
| 1971 | 90° | 72° | 81° | — | — |
54 years of data from PHILADELPHIA WSFO