Weather on September 8
Allentown, PA
55 Years of Data
Avg High
79°F
Avg Low
57°F
Warmest
2016
81°F avg
Coldest
1986
57°F avg
About This Date
September 8th in Allentown, PA typically brings pleasant fall weather, with average highs around 79°F and lows near 57°F. Over 55 years of records, the warmest September 8th was in 2016 (81°F average), while the coldest was 1986 (57°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 25% of September 8th dates historically, with the wettest September 8th recording 12.34" 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 8th in Allentown, PA? Great weather for outdoor activities.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 47° | 60° | — | — |
| 2024 | 69° | 46° | 58° | — | — |
| 2023 | 87° | 64° | 76° | 0.13" | — |
| 2022 | 80° | 59° | 70° | — | — |
| 2021 | 86° | 58° | 72° | 3.73" | — |
| 2020 | 84° | 58° | 71° | — | — |
| 2019 | 79° | 56° | 67° | — | — |
| 2018 | 70° | 57° | 63° | — | — |
| 2017 | 71° | 50° | 61° | 0.05" | — |
| 2016warmest | 95° | 67° | 81° | — | — |
| 2015 | 95° | 64° | 80° | — | — |
| 2014 | 76° | 57° | 66° | — | — |
| 2013 | 80° | 53° | 67° | — | — |
| 2012 | 86° | 63° | 74° | 0.89" | — |
| 2011 | 73° | 65° | 69° | 2.97" | — |
| 2010 | 87° | 60° | 74° | — | — |
| 2009 | 77° | 55° | 66° | — | — |
| 2008 | 81° | 56° | 68° | — | — |
| 2007 | 91° | 68° | 80° | — | — |
| 2006 | 83° | 54° | 68° | — | — |
| 2005 | 86° | 51° | 69° | — | — |
| 2004 | 73° | 67° | 70° | 3.33" | — |
| 2003 | 80° | 55° | 68° | — | — |
| 2002 | 86° | 50° | 68° | — | — |
| 2001 | 83° | 52° | 67° | — | — |
| 2000 | 76° | 45° | 60° | — | — |
| 1999 | 85° | 65° | 75° | — | — |
| 1998 | 69° | 54° | 61° | — | — |
| 1997 | 74° | 59° | 66° | — | — |
| 1996 | 86° | 64° | 75° | 0.33" | — |
| 1995 | 80° | 63° | 71° | — | — |
| 1994 | 80° | 52° | 66° | — | — |
| 1993 | 65° | 62° | 63° | 1.3" | — |
| 1992 | 81° | 67° | 74° | 0.05" | — |
| 1991 | 88° | 57° | 72° | — | — |
| 1990 | 71° | 52° | 61° | — | — |
| 1989 | 82° | 56° | 69° | — | — |
| 1988 | 72° | 44° | 58° | — | — |
| 1987 | 73° | 68° | 71° | 12.34" | — |
| 1986coldest | 68° | 47° | 57° | — | — |
| 1985 | 81° | 69° | 75° | 1.52" | — |
| 1984 | 76° | 47° | 61° | — | — |
| 1983 | 85° | 57° | 71° | — | — |
| 1982 | 68° | 60° | 64° | — | — |
| 1981 | 77° | 59° | 68° | 0.64" | — |
| 1980 | 84° | 55° | 70° | — | — |
| 1979 | 71° | 56° | 63° | — | — |
| 1978 | 68° | 52° | 60° | 1.5" | — |
| 1977 | 75° | 58° | 66° | — | — |
| 1976 | 88° | 58° | 73° | — | — |
| 1975 | 78° | 64° | 71° | 0.2" | — |
| 1974 | 74° | 57° | 65° | — | — |
| 1973 | 79° | 55° | 67° | — | — |
| 1972 | 84° | 52° | 68° | — | — |
| 1971 | 84° | 70° | 77° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP