Weather on September 1
Cambridge, MA
55 Years of Data
Avg High
80°F
Avg Low
59°F
Warmest
2010
81°F avg
Coldest
1975
56°F avg
About This Date
September 1st in Cambridge, MA typically brings warm fall weather, with average highs around 80°F and lows near 59°F. Over 55 years of records, the warmest September 1st was in 2010 (81°F average), while the coldest was 1975 (56°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 18% of September 1st dates historically, with the wettest September 1st recording 5.08" 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 1st in Cambridge, MA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 52° | 65° | — | — |
| 2024 | 83° | 62° | 72° | — | — |
| 2023 | 74° | 53° | 63° | — | — |
| 2022 | 86° | 60° | 73° | — | — |
| 2021 | 83° | 64° | 73° | — | — |
| 2020 | 78° | 56° | 67° | — | — |
| 2019 | 87° | 55° | 71° | — | — |
| 2018 | 90° | 57° | 73° | — | — |
| 2017 | 81° | 51° | 66° | — | — |
| 2016 | 82° | 70° | 76° | — | — |
| 2015 | 90° | 68° | 79° | — | — |
| 2014 | 84° | 70° | 77° | 0.91" | — |
| 2013 | 82° | 71° | 77° | 0.1" | — |
| 2012 | 89° | 67° | 78° | — | — |
| 2011 | 83° | 61° | 72° | — | — |
| 2010warmest | 94° | 69° | 81° | — | — |
| 2009 | 70° | 51° | 60° | — | — |
| 2008 | 80° | 61° | 70° | — | — |
| 2007 | 79° | 62° | 70° | — | — |
| 2006 | 72° | 54° | 63° | — | — |
| 2005 | 82° | 66° | 74° | 0.51" | — |
| 2004 | 81° | 66° | 73° | — | — |
| 2003 | 70° | 59° | 64° | — | — |
| 2002 | 69° | 51° | 60° | — | — |
| 2001 | 84° | 70° | 77° | — | — |
| 2000 | 88° | 70° | 79° | — | — |
| 1999 | 85° | 49° | 67° | — | — |
| 1998 | 63° | 55° | 59° | 0.25" | — |
| 1997 | 78° | 63° | 70° | — | — |
| 1996 | 84° | 57° | 71° | — | — |
| 1995 | 84° | 58° | 71° | 0.05" | — |
| 1994 | 70° | 57° | 63° | — | — |
| 1993 | 86° | 69° | 78° | — | — |
| 1992 | 81° | 52° | 66° | — | — |
| 1991 | 84° | 48° | 66° | — | — |
| 1990 | 87° | 55° | 71° | — | — |
| 1989 | 79° | 53° | 66° | — | — |
| 1988 | 80° | 54° | 67° | — | — |
| 1987 | 81° | 60° | 70° | 0.76" | — |
| 1986 | 81° | 51° | 66° | — | — |
| 1985 | 61° | 58° | 59° | — | — |
| 1984 | 87° | 60° | 74° | — | — |
| 1983 | 80° | 43° | 61° | 5.08" | — |
| 1982 | 79° | 57° | 68° | 0.61" | — |
| 1981 | 77° | 61° | 69° | — | — |
| 1980 | 88° | 69° | 78° | — | — |
| 1979 | 80° | 50° | 65° | — | — |
| 1978 | 71° | 59° | 65° | 0.38" | — |
| 1977 | 73° | 62° | 68° | — | — |
| 1976 | 72° | 49° | 60° | — | — |
| 1975coldest | 68° | 45° | 56° | — | — |
| 1974 | 83° | 60° | 71° | — | — |
| 1973 | 90° | 63° | 76° | 1.27" | — |
| 1972 | 85° | 60° | 72° | — | — |
| 1971 | 76° | 50° | 63° | — | — |
55 years of data from CHESTNUT HILL