Weather on September 25
Philadelphia, PA
55 Years of Data
Avg High
73°F
Avg Low
59°F
Warmest
2010
82°F avg
Coldest
1992
55°F avg
About This Date
September 25th in Philadelphia, PA typically brings pleasant fall weather, with average highs around 73°F and lows near 59°F. Over 55 years of records, the warmest September 25th was in 2010 (82°F average), while the coldest was 1992 (55°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 25% of September 25th dates historically, with the wettest September 25th recording 5.38" of rain. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
Planning for September 25th in Philadelphia, PA? Great weather for outdoor activities.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 72° | 76° | 1.7" | — |
| 2024 | 71° | 64° | 68° | — | — |
| 2023 | 68° | 62° | 65° | — | — |
| 2022 | 72° | 56° | 64° | — | — |
| 2021 | 75° | 56° | 65° | — | — |
| 2020 | 77° | 61° | 69° | — | — |
| 2019 | 79° | 60° | 69° | — | — |
| 2018 | 68° | 62° | 65° | 0.28" | — |
| 2017 | 92° | 70° | 81° | — | — |
| 2016 | 77° | 61° | 69° | — | — |
| 2015 | 81° | 64° | 72° | — | — |
| 2014 | 72° | 59° | 65° | 1.5" | — |
| 2013 | 73° | 52° | 62° | — | — |
| 2012 | 68° | 53° | 61° | — | — |
| 2011 | 82° | 69° | 76° | 0.05" | — |
| 2010warmest | 93° | 71° | 82° | — | — |
| 2009 | 74° | 56° | 65° | — | — |
| 2008 | 68° | 56° | 62° | 0.28" | — |
| 2007 | 84° | 62° | 73° | 2.29" | — |
| 2006 | 72° | 56° | 64° | — | — |
| 2005 | 83° | 65° | 74° | — | — |
| 2004 | 79° | 62° | 70° | 0.05" | — |
| 2003 | 82° | 63° | 72° | — | — |
| 2002 | 76° | 63° | 69° | — | — |
| 2001 | 72° | 58° | 65° | 0.05" | — |
| 2000 | 61° | 49° | 55° | 5.38" | — |
| 1999 | 80° | 61° | 70° | — | — |
| 1998 | 70° | 64° | 67° | 0.1" | — |
| 1997 | 69° | 48° | 59° | — | — |
| 1996 | 70° | 52° | 61° | 0.05" | — |
| 1995 | 65° | 58° | 61° | 0.08" | — |
| 1994 | 76° | 64° | 70° | — | — |
| 1993 | 72° | 55° | 63° | — | — |
| 1992coldest | 61° | 50° | 55° | — | — |
| 1991 | 71° | 58° | 64° | — | — |
| 1990 | 70° | 53° | 61° | — | — |
| 1989 | 68° | 49° | 58° | — | — |
| 1988 | 64° | 55° | 60° | — | — |
| 1987 | 66° | 55° | 61° | — | — |
| 1986 | 77° | 67° | 72° | — | — |
| 1985 | 82° | 57° | 70° | — | — |
| 1984 | 83° | 74° | 78° | — | — |
| 1983 | 75° | 51° | 63° | — | — |
| 1982 | 76° | 56° | 66° | — | — |
| 1981 | 74° | 57° | 65° | — | — |
| 1980 | 66° | 60° | 63° | — | — |
| 1979 | 67° | 54° | 60° | — | — |
| 1978 | 74° | 56° | 65° | — | — |
| 1977 | 61° | 57° | 59° | 2.51" | — |
| 1976 | 70° | 55° | 62° | — | — |
| 1975 | 65° | 58° | 61° | 0.74" | — |
| 1974 | 67° | 45° | 56° | — | — |
| 1973 | 67° | 61° | 64° | — | — |
| 1972 | 78° | 65° | 71° | — | — |
| 1971 | 69° | 51° | 60° | — | — |
55 years of data from PHILADELPHIA CITY