Weather on September 1
Boston, MA
55 Years of Data
Avg High
77°F
Avg Low
62°F
Warmest
2010
85°F avg
Coldest
1975
60°F avg
About This Date
September 1st in Boston, MA typically brings pleasant fall weather, with average highs around 77°F and lows near 62°F. Over 55 years of records, the warmest September 1st was in 2010 (85°F average), while the coldest was 1975 (60°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 20% of September 1st dates historically, with the wettest September 1st recording 4.29" of rain. The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
Planning for September 1st in Boston, MA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 60° | 67° | — | — |
| 2024 | 83° | 70° | 76° | — | — |
| 2023 | 70° | 57° | 63° | — | — |
| 2022 | 80° | 62° | 71° | — | — |
| 2021 | 75° | 61° | 68° | 4.29" | — |
| 2020 | 72° | 59° | 65° | — | — |
| 2019 | 72° | 62° | 67° | — | — |
| 2018 | 74° | 63° | 68° | — | — |
| 2017 | 69° | 53° | 61° | — | — |
| 2016 | 76° | 68° | 72° | 0.05" | — |
| 2015 | 79° | 69° | 74° | — | — |
| 2014 | 85° | 72° | 78° | — | — |
| 2013 | 79° | 70° | 74° | 0.97" | — |
| 2012 | 80° | 63° | 71° | — | — |
| 2011 | 71° | 62° | 67° | — | — |
| 2010warmest | 94° | 77° | 85° | — | — |
| 2009 | 69° | 55° | 62° | — | — |
| 2008 | 84° | 64° | 74° | — | — |
| 2007 | 79° | 62° | 70° | — | — |
| 2006 | 69° | 60° | 65° | — | — |
| 2005 | 84° | 68° | 76° | 0.48" | — |
| 2004 | 81° | 66° | 73° | — | — |
| 2003 | 70° | 59° | 64° | — | — |
| 2002 | 68° | 54° | 61° | 0.03" | — |
| 2001 | 79° | 58° | 68° | 0.05" | — |
| 2000 | 87° | 73° | 80° | — | — |
| 1999 | 78° | 58° | 68° | — | — |
| 1998 | 74° | 61° | 67° | — | — |
| 1997 | 77° | 66° | 72° | 0.03" | — |
| 1996 | 73° | 62° | 68° | 0.03" | — |
| 1995 | 89° | 71° | 80° | — | — |
| 1994 | 72° | 58° | 65° | — | — |
| 1993 | 84° | 65° | 74° | — | — |
| 1992 | 73° | 58° | 65° | — | — |
| 1991 | 70° | 53° | 61° | — | — |
| 1990 | 80° | 63° | 71° | — | — |
| 1989 | 83° | 59° | 71° | — | — |
| 1988 | 73° | 61° | 67° | — | — |
| 1987 | 75° | 60° | 68° | 0.89" | — |
| 1986 | 78° | 57° | 68° | — | — |
| 1985 | 68° | 54° | 61° | — | — |
| 1984 | 83° | 64° | 73° | — | — |
| 1983 | 74° | 65° | 69° | — | — |
| 1982 | 69° | 55° | 62° | 0.76" | — |
| 1981 | 73° | 64° | 69° | — | — |
| 1980 | 93° | 72° | 82° | — | — |
| 1979 | 81° | 60° | 70° | — | — |
| 1978 | 72° | 62° | 67° | 0.03" | — |
| 1977 | 82° | 61° | 71° | — | — |
| 1976 | 80° | 57° | 69° | — | — |
| 1975coldest | 69° | 52° | 60° | — | — |
| 1974 | 81° | 68° | 74° | — | — |
| 1973 | 88° | 68° | 78° | — | — |
| 1972 | 77° | 62° | 70° | — | — |
| 1971 | 79° | 58° | 68° | — | — |
55 years of data from BOSTON