Weather on September 3
Hartford, CT
55 Years of Data
Avg High
79°F
Avg Low
59°F
Warmest
1973
83°F avg
Coldest
2017
57°F avg
About This Date
September 3rd in Hartford, CT typically brings pleasant fall weather, with average highs around 79°F and lows near 59°F. Over 55 years of records, the warmest September 3rd was in 1973 (83°F average), while the coldest was 2017 (57°F) — a 26°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 1.63" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for September 3rd in Hartford, CT? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 52° | 65° | — | — |
| 2024 | 75° | 50° | 63° | — | — |
| 2023 | 89° | 64° | 77° | — | — |
| 2022 | 83° | 57° | 70° | — | — |
| 2021 | 75° | 54° | 64° | — | — |
| 2020 | 87° | 72° | 79° | — | — |
| 2019 | 81° | 60° | 70° | — | — |
| 2018 | 94° | 71° | 82° | — | — |
| 2017coldest | 61° | 53° | 57° | 1.42" | — |
| 2016 | 78° | 62° | 70° | — | — |
| 2015 | 90° | 65° | 77° | — | — |
| 2014 | 83° | 63° | 73° | — | — |
| 2013 | 78° | 65° | 71° | — | — |
| 2012 | 79° | 59° | 69° | — | — |
| 2011 | 85° | 63° | 74° | — | — |
| 2010 | 85° | 73° | 79° | 0.2" | — |
| 2009 | 80° | 54° | 67° | — | — |
| 2008 | 82° | 60° | 71° | 0.1" | — |
| 2007 | 85° | 58° | 71° | — | — |
| 2006 | 77° | 61° | 69° | 0.91" | — |
| 2005 | 81° | 62° | 71° | — | — |
| 2004 | 81° | 58° | 69° | — | — |
| 2003 | 68° | 59° | 64° | 0.05" | — |
| 2002 | 80° | 63° | 71° | — | — |
| 2001 | 76° | 52° | 64° | — | — |
| 2000 | 82° | 67° | 74° | — | — |
| 1999 | 89° | 55° | 72° | — | — |
| 1998 | 68° | 58° | 63° | — | — |
| 1997 | 66° | 65° | 65° | — | — |
| 1996 | 83° | 49° | 66° | — | — |
| 1995 | 79° | 48° | 63° | — | — |
| 1994 | 71° | 51° | 61° | — | — |
| 1993 | 76° | 67° | 71° | — | — |
| 1992 | 64° | 58° | 61° | 1.63" | — |
| 1991 | 88° | 47° | 67° | — | — |
| 1990 | 88° | 66° | 77° | — | — |
| 1989 | 81° | 50° | 65° | — | — |
| 1988 | 82° | 57° | 70° | — | — |
| 1987 | 73° | 53° | 63° | — | — |
| 1986 | 65° | 58° | 61° | — | — |
| 1985 | 76° | 56° | 66° | — | — |
| 1984 | 69° | 52° | 60° | 0.61" | — |
| 1983 | 83° | 59° | 71° | — | — |
| 1982 | 81° | 65° | 73° | 0.2" | — |
| 1981 | 77° | 60° | 69° | — | — |
| 1980 | 92° | 58° | 75° | 0.18" | — |
| 1979 | 82° | 71° | 77° | 0.25" | — |
| 1978 | 82° | 56° | 69° | — | — |
| 1977 | 92° | 65° | 78° | — | — |
| 1976 | 70° | 48° | 59° | 1.04" | — |
| 1975 | 75° | 58° | 66° | — | — |
| 1974 | 63° | 56° | 59° | 0.18" | — |
| 1973warmest | 95° | 71° | 83° | — | — |
| 1972 | 75° | 60° | 68° | 0.46" | — |
| 1971 | 82° | 60° | 71° | — | — |
55 years of data from HARTFORD BRAINARD FLD