Weather on September 16
Philadelphia, PA
55 Years of Data
Avg High
77°F
Avg Low
61°F
Warmest
1998
84°F avg
Coldest
2011
58°F avg
About This Date
September 16th in Philadelphia, PA typically brings pleasant fall weather, with average highs around 77°F and lows near 61°F. Over 55 years of records, the warmest September 16th was in 1998 (84°F average), while the coldest was 2011 (58°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 16% of September 16th dates historically, with the wettest September 16th recording 14.17" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 16th in Philadelphia, PA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 65° | 73° | — | — |
| 2024 | 82° | 62° | 72° | — | — |
| 2023 | 77° | 56° | 66° | — | — |
| 2022 | 78° | 57° | 68° | — | — |
| 2021 | 91° | 71° | 81° | 0.71" | — |
| 2020 | 68° | 54° | 61° | — | — |
| 2019 | 85° | 68° | 76° | — | — |
| 2018 | 79° | 66° | 72° | — | — |
| 2017 | 87° | 66° | 77° | — | — |
| 2016 | 79° | 61° | 70° | — | — |
| 2015 | 85° | 64° | 74° | — | — |
| 2014 | 71° | 53° | 62° | 0.58" | — |
| 2013 | 74° | 61° | 67° | 0.08" | — |
| 2012 | 76° | 61° | 68° | — | — |
| 2011coldest | 66° | 50° | 58° | — | — |
| 2010 | 78° | 61° | 69° | — | — |
| 2009 | 66° | 60° | 63° | — | — |
| 2008 | 73° | 50° | 62° | — | — |
| 2007 | 68° | 51° | 60° | — | — |
| 2006 | 76° | 64° | 70° | 0.03" | — |
| 2005 | 94° | 75° | 84° | 0.05" | — |
| 2004 | 77° | 66° | 72° | — | — |
| 2003 | 80° | 64° | 72° | — | — |
| 2002 | 85° | 74° | 79° | — | — |
| 2001 | 76° | 52° | 64° | — | — |
| 2000 | 67° | 53° | 60° | — | — |
| 1999 | 70° | 59° | 64° | 14.17" | — |
| 1998warmest | 92° | 76° | 84° | 1.65" | — |
| 1997 | 84° | 64° | 74° | — | — |
| 1996 | 72° | 61° | 66° | — | — |
| 1995 | 72° | 62° | 67° | — | — |
| 1994 | 80° | 68° | 74° | — | — |
| 1993 | 71° | 59° | 65° | 0.25" | — |
| 1992 | 82° | 63° | 72° | — | — |
| 1991 | 92° | 72° | 82° | — | — |
| 1990 | 71° | 56° | 63° | — | — |
| 1989 | 69° | 62° | 66° | — | — |
| 1988 | 73° | 53° | 63° | — | — |
| 1987 | 83° | 68° | 75° | — | — |
| 1986 | 72° | 52° | 62° | — | — |
| 1985 | 81° | 58° | 69° | — | — |
| 1984 | 69° | 50° | 60° | — | — |
| 1983 | 75° | 58° | 66° | — | — |
| 1982 | 82° | 65° | 73° | — | — |
| 1981 | 65° | 59° | 62° | — | — |
| 1980 | 72° | 60° | 66° | — | — |
| 1979 | 74° | 55° | 64° | — | — |
| 1978 | 83° | 63° | 73° | — | — |
| 1977 | 73° | 61° | 67° | — | — |
| 1976 | 72° | 68° | 70° | 1.42" | — |
| 1975 | 71° | 56° | 63° | — | — |
| 1974 | 74° | 63° | 68° | — | — |
| 1973 | 81° | 63° | 72° | — | — |
| 1972 | 83° | 61° | 72° | — | — |
| 1971 | 87° | 70° | 78° | — | — |
55 years of data from PHILADELPHIA WSFO