Weather on September 30
Philadelphia, PA
55 Years of Data
Avg High
72°F
Avg Low
57°F
Warmest
2015
79°F avg
Coldest
1992
50°F avg
About This Date
September 30th in Philadelphia, PA typically brings pleasant fall weather, with average highs around 72°F and lows near 57°F. Over 55 years of records, the warmest September 30th was in 2015 (79°F average), while the coldest was 1992 (50°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 30th dates historically, with the wettest September 30th recording 14.2" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for September 30th in Philadelphia, PA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 62° | 75° | — | — |
| 2024 | 67° | 62° | 64° | — | — |
| 2023 | 67° | 60° | 63° | 0.08" | — |
| 2022 | 74° | 52° | 63° | — | — |
| 2021 | 72° | 55° | 63° | — | — |
| 2020 | 77° | 58° | 67° | — | — |
| 2019 | 81° | 64° | 72° | — | — |
| 2018 | 78° | 57° | 68° | — | — |
| 2017 | 73° | 55° | 64° | — | — |
| 2016 | 64° | 59° | 62° | 14.2" | — |
| 2015warmest | 84° | 73° | 79° | 4.24" | — |
| 2014 | 76° | 65° | 70° | 0.2" | — |
| 2013 | 72° | 54° | 63° | — | — |
| 2012 | 65° | 57° | 61° | — | — |
| 2011 | 78° | 57° | 68° | 0.74" | — |
| 2010 | 77° | 67° | 72° | 2.97" | — |
| 2009 | 63° | 49° | 56° | — | — |
| 2008 | 74° | 60° | 67° | 1.24" | — |
| 2007 | 79° | 58° | 68° | — | — |
| 2006 | 65° | 57° | 61° | 0.86" | — |
| 2005 | 75° | 51° | 63° | — | — |
| 2004 | 59° | 71° | 65° | 0.03" | — |
| 2003 | 67° | 50° | 58° | — | — |
| 2002 | 79° | 60° | 69° | — | — |
| 2001 | 56° | 50° | 53° | 1.22" | — |
| 2000 | 70° | 45° | 57° | — | — |
| 1999 | 71° | 57° | 64° | — | — |
| 1998 | 81° | 64° | 72° | — | — |
| 1997 | 74° | 63° | 68° | 0.03" | — |
| 1996 | 75° | 55° | 65° | — | — |
| 1995 | 72° | 52° | 62° | — | — |
| 1994 | 68° | 51° | 60° | — | — |
| 1993 | 59° | 46° | 53° | — | — |
| 1992coldest | 55° | 45° | 50° | — | — |
| 1991 | 68° | 48° | 58° | — | — |
| 1990 | 78° | 62° | 70° | — | — |
| 1989 | 72° | 59° | 65° | — | — |
| 1988 | 72° | 57° | 64° | — | — |
| 1987 | 73° | 61° | 67° | — | — |
| 1986 | 88° | 68° | 78° | — | — |
| 1985 | 77° | 61° | 69° | — | — |
| 1984 | 71° | 54° | 62° | — | — |
| 1983 | 65° | 58° | 61° | — | — |
| 1982 | 66° | 60° | 63° | — | — |
| 1981 | 67° | 52° | 59° | — | — |
| 1980 | 77° | 61° | 69° | — | — |
| 1979 | 68° | 59° | 64° | — | — |
| 1978 | 71° | 49° | 60° | — | — |
| 1977 | 75° | 60° | 68° | — | — |
| 1976 | 61° | 56° | 58° | 2.31" | — |
| 1975 | 77° | 57° | 67° | — | — |
| 1974 | 66° | 54° | 60° | — | — |
| 1973 | 71° | 57° | 64° | — | — |
| 1972 | 71° | 55° | 63° | 0.61" | — |
| 1971 | 76° | 65° | 70° | — | — |
55 years of data from PHILADELPHIA CITY