Rosendahl / Public domain
Cambridge, MA Weather on September 4
September 4th in Cambridge, MA typically brings pleasant fall weather, with average highs around 79°F and lows near 58°F. Over 55 years of records, the warmest September 4th was in 2018 (85°F average), while the coldest was 1992 (57°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 27% of September 4th dates historically, with the wettest September 4th recording 2.46" of rain. Temperatures on this date have remained relatively stable over the past several decades.
What to Expect on September 4
Planning for September 4th in Cambridge, MA? Great weather for outdoor activities.
September 4 Weather Records for Cambridge
- •The all-time record high for September 4th in Cambridge, MA is 95°F, set in 2018.
- •The coldest September 4th on record dropped to 44°F in 1987.
- •Temperatures have reached 90°F or higher on September 4th in 5 of the last 55 years.
Frequently Asked Questions
What was the warmest September 4 ever in Cambridge?
The warmest September 4 in Cambridge, MA reached 95°F in 2018. That is 16°F above the long-term average high of 79°F.
What was the coldest September 4 ever in Cambridge?
The coldest September 4 in Cambridge, MA dropped to 44°F in 1987. That is 14°F below the long-term average low of 58°F.
What is the average temperature on September 4 in Cambridge?
On September 4, Cambridge averages a high of 79°F and a low of 58°F based on 55 years of NOAA weather observations from CHESTNUT HILL.
How many years of weather data are available for September 4 in Cambridge?
We have 55 years of weather records for September 4 in Cambridge, MA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
September 4 Weather History in Cambridge
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 81°F | 55°F | 0" | -- |
| 2024 | 76°F | 51°F | 0" | -- |
| 2023 | 88°F | 64°F | 0" | -- |
| 2022 | 82°F | 60°F | 0" | -- |
| 2021 | 76°F | 55°F | 0" | -- |
| 2020 | 76°F | 65°F | 0.02" | -- |
| 2019 | 80°F | 61°F | 0" | -- |
| 2018 | 95°F | 75°F | 0" | -- |
| 2017 | 64°F | 55°F | 0.25" | -- |
| 2016 | 74°F | 57°F | 0" | -- |
| 2015 | 89°F | 67°F | 0" | -- |
| 2014 | 87°F | 58°F | 0" | -- |
| 2013 | 84°F | 58°F | 0" | -- |
| 2012 | 76°F | 60°F | 0.15" | -- |
| 2011 | 84°F | 63°F | 0" | -- |
| 2010 | 84°F | 70°F | 0.51" | -- |
| 2009 | 78°F | 53°F | 0" | -- |
| 2008 | 75°F | 59°F | 0" | -- |
| 2007 | 78°F | 64°F | 0" | -- |
| 2006 | 74°F | 58°F | 0.3" | -- |
| 2005 | 80°F | 58°F | -- | -- |
| 2004 | 85°F | 62°F | 0" | -- |
| 2003 | 74°F | 62°F | 0.41" | -- |
| 2002 | 73°F | 64°F | 0.22" | -- |
| 2001 | 77°F | 55°F | 0" | -- |
| 2000 | 74°F | 64°F | -- | -- |
| 1999 | 94°F | 59°F | -- | -- |
| 1998 | 83°F | 60°F | -- | -- |
| 1997 | 71°F | 49°F | 0.17" | -- |
| 1996 | 90°F | 60°F | -- | -- |
| 1995 | 75°F | 48°F | -- | -- |
| 1994 | 74°F | 50°F | -- | -- |
| 1993 | 90°F | 70°F | 0.06" | -- |
| 1992 | 60°F | 54°F | 0.89" | -- |
| 1991 | 78°F | 57°F | 0" | -- |
| 1990 | 74°F | -- | 0" | -- |
| 1989 | 79°F | 45°F | -- | -- |
| 1988 | 85°F | 62°F | 0" | -- |
| 1987 | 77°F | 44°F | -- | -- |
| 1986 | 60°F | 58°F | 0" | -- |
| 1985 | 78°F | 68°F | 0" | -- |
| 1984 | 79°F | 50°F | 0.45" | -- |
| 1983 | 88°F | 60°F | 0" | -- |
| 1982 | 78°F | 45°F | 0" | -- |
| 1981 | 69°F | 59°F | 0.01" | -- |
| 1980 | 89°F | 56°F | 0" | -- |
| 1979 | 85°F | 63°F | 0.08" | -- |
| 1978 | 82°F | 61°F | 0" | -- |
| 1977 | 87°F | 56°F | 0" | -- |
| 1976 | 70°F | 50°F | 0" | -- |
| 1975 | 78°F | 52°F | 0" | -- |
| 1974 | 64°F | 54°F | 0.8" | -- |
| 1973 | 92°F | 69°F | 0" | -- |
| 1972 | 68°F | 57°F | 2.46" | -- |
| 1971 | 82°F | 66°F | 0" | -- |
Based on 55 years of data from NOAA station: CHESTNUT HILL
Monthly Climate Averages
Historical temperature and precipitation averages for Cambridge, MA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.