Weather on September 3
Allentown, PA
55 Years of Data
Avg High
81°F
Avg Low
59°F
Warmest
1993
82°F avg
Coldest
2024
60°F avg
About This Date
September 3rd in Allentown, PA typically brings warm fall weather, with average highs around 81°F and lows near 59°F. Over 55 years of records, the warmest September 3rd was in 1993 (82°F average), while the coldest was 2024 (60°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 3rd dates historically, with the wettest September 3rd recording 2.77" 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 3rd in Allentown, PA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 57° | 69° | — | — |
| 2024coldest | 73° | 46° | 60° | — | — |
| 2023 | 88° | 60° | 74° | — | — |
| 2022 | 85° | 59° | 72° | — | — |
| 2021 | 72° | 53° | 62° | — | — |
| 2020 | 83° | 69° | 76° | 1.63" | — |
| 2019 | 85° | 61° | 73° | — | — |
| 2018 | 93° | 70° | 81° | — | — |
| 2017 | 72° | 57° | 64° | 0.86" | — |
| 2016 | 80° | 57° | 69° | — | — |
| 2015 | 94° | 65° | 79° | — | — |
| 2014 | 84° | 62° | 73° | — | — |
| 2013 | 80° | 61° | 70° | — | — |
| 2012 | 75° | 68° | 72° | 1.04" | — |
| 2011 | 82° | 64° | 73° | — | — |
| 2010 | 87° | 67° | 77° | — | — |
| 2009 | 80° | 52° | 66° | — | — |
| 2008 | 88° | 60° | 74° | — | — |
| 2007 | 83° | 54° | 68° | — | — |
| 2006 | 71° | 54° | 62° | 0.13" | — |
| 2005 | 79° | 58° | 68° | — | — |
| 2004 | 80° | 56° | 68° | — | — |
| 2003 | 70° | 62° | 66° | 1.24" | — |
| 2002 | 84° | 55° | 70° | — | — |
| 2001 | 79° | 48° | 63° | — | — |
| 2000 | 85° | 69° | 77° | — | — |
| 1999 | 88° | 53° | 70° | — | — |
| 1998 | 78° | 51° | 65° | — | — |
| 1997 | 71° | 50° | 61° | 0.03" | — |
| 1996 | 86° | 57° | 72° | — | — |
| 1995 | 82° | 51° | 67° | — | — |
| 1994 | 75° | 47° | 61° | — | — |
| 1993warmest | 92° | 73° | 82° | 1.42" | — |
| 1992 | 79° | 63° | 71° | 0.41" | — |
| 1991 | 79° | 49° | 64° | — | — |
| 1990 | 80° | 60° | 70° | — | — |
| 1989 | 77° | 50° | 64° | — | — |
| 1988 | 78° | 51° | 65° | — | — |
| 1987 | 73° | 52° | 62° | — | — |
| 1986 | 76° | 58° | 67° | — | — |
| 1985 | 83° | 59° | 71° | — | — |
| 1984 | 85° | 62° | 73° | 0.25" | — |
| 1983 | 89° | 57° | 73° | — | — |
| 1982 | 77° | 57° | 67° | — | — |
| 1981 | 73° | 61° | 67° | — | — |
| 1980 | 89° | 67° | 78° | — | — |
| 1979 | 84° | 70° | 77° | 0.36" | — |
| 1978 | 82° | 56° | 69° | — | — |
| 1977 | 86° | 69° | 78° | — | — |
| 1976 | 74° | 49° | 61° | — | — |
| 1975 | 70° | 53° | 61° | — | — |
| 1974 | 76° | 59° | 67° | 2.77" | — |
| 1973 | 93° | 70° | 81° | 1.3" | — |
| 1972 | 83° | 62° | 72° | 0.03" | — |
| 1971 | 78° | 65° | 71° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP