Weather on September 10
Allentown, PA
55 Years of Data
Avg High
78°F
Avg Low
57°F
Warmest
2016
84°F avg
Coldest
1978
56°F avg
About This Date
September 10th in Allentown, PA typically brings pleasant fall weather, with average highs around 78°F and lows near 57°F. Over 55 years of records, the warmest September 10th was in 2016 (84°F average), while the coldest was 1978 (56°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 35% of September 10th dates historically, with the wettest September 10th recording 3.63" 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 10th in Allentown, PA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 56° | 65° | 0.13" | — |
| 2024 | 78° | 52° | 65° | — | — |
| 2023 | 77° | 65° | 71° | 1.93" | — |
| 2022 | 81° | 52° | 66° | — | — |
| 2021 | 74° | 54° | 64° | — | — |
| 2020 | 79° | 71° | 75° | 2.95" | — |
| 2019 | 83° | 68° | 75° | — | — |
| 2018 | 65° | 52° | 58° | 2.82" | — |
| 2017 | 74° | 47° | 60° | — | — |
| 2016warmest | 95° | 73° | 84° | — | — |
| 2015 | 73° | 66° | 70° | 3.63" | — |
| 2014 | 80° | 63° | 71° | — | — |
| 2013 | 88° | 68° | 78° | — | — |
| 2012 | 72° | 50° | 61° | — | — |
| 2011 | 81° | 65° | 73° | 0.18" | — |
| 2010 | 71° | 57° | 64° | — | — |
| 2009 | 67° | 56° | 61° | 0.05" | — |
| 2008 | 74° | 51° | 62° | — | — |
| 2007 | 85° | 71° | 78° | 0.13" | — |
| 2006 | 74° | 55° | 64° | — | — |
| 2005 | 82° | 51° | 67° | — | — |
| 2004 | 80° | 58° | 69° | — | — |
| 2003 | 78° | 53° | 66° | — | — |
| 2002 | 92° | 60° | 76° | — | — |
| 2001 | 84° | 61° | 72° | 0.18" | — |
| 2000 | 83° | 61° | 72° | — | — |
| 1999 | 78° | 58° | 68° | 0.23" | — |
| 1998 | 71° | 48° | 60° | — | — |
| 1997 | 67° | 58° | 62° | — | — |
| 1996 | 82° | 63° | 72° | — | — |
| 1995 | 70° | 49° | 59° | — | — |
| 1994 | 72° | 54° | 63° | — | — |
| 1993 | 79° | 58° | 68° | 0.08" | — |
| 1992 | 84° | 67° | 75° | 1.24" | — |
| 1991 | 80° | 62° | 71° | 0.1" | — |
| 1990 | 84° | 60° | 72° | 0.05" | — |
| 1989 | 92° | 69° | 80° | — | — |
| 1988 | 81° | 58° | 69° | — | — |
| 1987 | 81° | 61° | 71° | — | — |
| 1986 | 74° | 44° | 59° | — | — |
| 1985 | 84° | 65° | 74° | 0.51" | — |
| 1984 | 78° | 64° | 71° | 0.05" | — |
| 1983 | 96° | 59° | 78° | — | — |
| 1982 | 85° | 53° | 69° | — | — |
| 1981 | 77° | 45° | 61° | — | — |
| 1980 | 79° | 58° | 68° | 0.64" | — |
| 1979 | 75° | 48° | 62° | — | — |
| 1978coldest | 68° | 45° | 56° | 0.05" | — |
| 1977 | 83° | 63° | 73° | — | — |
| 1976 | 70° | 53° | 61° | 0.28" | — |
| 1975 | 70° | 44° | 57° | — | — |
| 1974 | 78° | 58° | 68° | — | — |
| 1973 | 75° | 46° | 61° | — | — |
| 1972 | 73° | 48° | 61° | — | — |
| 1971 | 78° | 68° | 73° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP