Weather on September 14
Philadelphia, PA
55 Years of Data
Avg High
81°F
Avg Low
65°F
Warmest
2008
85°F avg
Coldest
1975
58°F avg
About This Date
September 14th in Philadelphia, PA typically brings warm fall weather, with average highs around 81°F and lows near 65°F. Over 55 years of records, the warmest September 14th was in 2008 (85°F average), while the coldest was 1975 (58°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 25% of September 14th dates historically, with the wettest September 14th recording 6.65" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for September 14th 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 | 84° | 65° | 74° | — | — |
| 2024 | 86° | 65° | 75° | — | — |
| 2023 | 84° | 66° | 75° | — | — |
| 2022 | 85° | 63° | 74° | — | — |
| 2021 | 90° | 72° | 81° | — | — |
| 2020 | 81° | 62° | 71° | — | — |
| 2019 | 90° | 63° | 76° | — | — |
| 2018 | 77° | 68° | 73° | 0.05" | — |
| 2017 | 77° | 65° | 71° | 0.28" | — |
| 2016 | 93° | 69° | 81° | — | — |
| 2015 | 73° | 56° | 64° | — | — |
| 2014 | 71° | 53° | 62° | 1.3" | — |
| 2013 | 78° | 55° | 67° | — | — |
| 2012 | 83° | 62° | 72° | — | — |
| 2011 | 87° | 70° | 78° | — | — |
| 2010 | 79° | 62° | 70° | — | — |
| 2009 | 81° | 65° | 73° | — | — |
| 2008warmest | 93° | 77° | 85° | — | — |
| 2007 | 79° | 67° | 73° | 0.36" | — |
| 2006 | 70° | 65° | 67° | 1.8" | — |
| 2005 | 79° | 72° | 75° | 1.47" | — |
| 2004 | 76° | 66° | 71° | — | — |
| 2003 | 87° | 75° | 81° | 0.36" | — |
| 2002 | 86° | 67° | 76° | — | — |
| 2001 | 71° | 54° | 62° | 0.58" | — |
| 2000 | 83° | 69° | 76° | 4.98" | — |
| 1999 | 84° | 68° | 76° | 0.15" | — |
| 1998 | 89° | 72° | 80° | — | — |
| 1997 | 80° | 64° | 72° | — | — |
| 1996 | 71° | 58° | 64° | 0.64" | — |
| 1995 | 89° | 69° | 79° | 0.64" | — |
| 1994 | 88° | 65° | 76° | — | — |
| 1993 | 86° | 65° | 75° | — | — |
| 1992 | 77° | 58° | 67° | — | — |
| 1991 | 71° | 64° | 68° | — | — |
| 1990 | 77° | 67° | 72° | — | — |
| 1989 | 81° | 70° | 75° | — | — |
| 1988 | 76° | 60° | 68° | — | — |
| 1987 | 82° | 69° | 76° | — | — |
| 1986 | 74° | 58° | 66° | — | — |
| 1985 | 73° | 52° | 62° | — | — |
| 1984 | 83° | 68° | 75° | — | — |
| 1983 | 76° | 63° | 69° | — | — |
| 1982 | 82° | 65° | 73° | — | — |
| 1981 | 89° | 71° | 80° | — | — |
| 1980 | 84° | 69° | 77° | — | — |
| 1979 | 82° | 66° | 74° | — | — |
| 1978 | 71° | 56° | 63° | — | — |
| 1977 | 77° | 63° | 70° | — | — |
| 1976 | 91° | 68° | 80° | — | — |
| 1975coldest | 67° | 49° | 58° | — | — |
| 1974 | 72° | 60° | 66° | 0.69" | — |
| 1973 | 71° | 68° | 70° | 6.65" | — |
| 1972 | 89° | 67° | 78° | — | — |
| 1971 | 75° | 67° | 71° | — | — |
55 years of data from PHILADELPHIA WSFO