Weather on September 24
Philadelphia, PA
55 Years of Data
Avg High
74°F
Avg Low
58°F
Warmest
2019
81°F avg
Coldest
1974
53°F avg
About This Date
September 24th in Philadelphia, PA typically brings pleasant fall weather, with average highs around 74°F and lows near 58°F. Over 55 years of records, the warmest September 24th was in 2019 (81°F average), while the coldest was 1974 (53°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 20% of September 24th dates historically, with the wettest September 24th recording 5.54" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for September 24th 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 | 86° | 69° | 78° | — | — |
| 2024 | 68° | 63° | 65° | — | — |
| 2023 | 65° | 57° | 61° | — | — |
| 2022 | 67° | 49° | 58° | — | — |
| 2021 | 80° | 58° | 69° | 5.49" | — |
| 2020 | 83° | 63° | 73° | — | — |
| 2019warmest | 92° | 71° | 81° | — | — |
| 2018 | 62° | 59° | 61° | 2.24" | — |
| 2017 | 90° | 68° | 79° | — | — |
| 2016 | — | 63° | — | — | — |
| 2015 | 80° | 58° | 69° | — | — |
| 2014 | 72° | 56° | 64° | — | — |
| 2013 | 68° | 48° | 58° | — | — |
| 2012 | 69° | 53° | 61° | — | — |
| 2011 | 76° | 69° | 72° | 0.05" | — |
| 2010 | 86° | 68° | 77° | — | — |
| 2009 | 82° | 63° | 72° | — | — |
| 2008 | 73° | 56° | 64° | — | — |
| 2007 | 79° | 65° | 72° | — | — |
| 2006 | 79° | 62° | 70° | 0.53" | — |
| 2005 | 79° | 64° | 71° | — | — |
| 2004 | 81° | 65° | 73° | — | — |
| 2003 | 74° | 58° | 66° | 0.05" | — |
| 2002 | 82° | 58° | 70° | — | — |
| 2001 | 83° | 69° | 76° | 1.04" | — |
| 2000 | 78° | 59° | 69° | 0.3" | — |
| 1999 | 80° | 61° | 70° | — | — |
| 1998 | 73° | 52° | 62° | — | — |
| 1997 | 62° | 53° | 58° | — | — |
| 1996 | 67° | 51° | 59° | — | — |
| 1995 | 66° | 51° | 59° | 0.13" | — |
| 1994 | 70° | 64° | 67° | — | — |
| 1993 | 72° | 53° | 62° | 0.08" | — |
| 1992 | 64° | 46° | 55° | — | — |
| 1991 | 75° | 61° | 68° | — | — |
| 1990 | 66° | 48° | 57° | — | — |
| 1989 | 63° | 46° | 54° | — | — |
| 1988 | 71° | 59° | 65° | — | — |
| 1987 | 75° | 59° | 67° | — | — |
| 1986 | 78° | 70° | 74° | — | — |
| 1985 | 81° | 65° | 73° | — | — |
| 1984 | 86° | 71° | 79° | — | — |
| 1983 | 70° | 51° | 60° | — | — |
| 1982 | 74° | 53° | 63° | — | — |
| 1981 | 70° | 52° | 61° | — | — |
| 1980 | 75° | 60° | 68° | — | — |
| 1979 | 68° | 50° | 59° | — | — |
| 1978 | 71° | 53° | 62° | — | — |
| 1977 | 71° | 58° | 64° | 0.15" | — |
| 1976 | 70° | 58° | 64° | — | — |
| 1975 | 65° | 58° | 61° | 5.54" | — |
| 1974coldest | 62° | 44° | 53° | — | — |
| 1973 | 80° | 62° | 71° | — | — |
| 1972 | 69° | 56° | 62° | — | — |
| 1971 | 69° | 58° | 63° | — | — |
55 years of data from PHILADELPHIA CITY