Weather on September 5
New Haven, CT
55 Years of Data
Avg High
79°F
Avg Low
62°F
Warmest
2023
82°F avg
Coldest
1997
55°F avg
About This Date
September 5th in New Haven, CT typically brings pleasant fall weather, with average highs around 79°F and lows near 62°F. Over 53 years of records, the warmest September 5th was in 2023 (82°F average), while the coldest was 1997 (55°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 23% of September 5th dates historically, with the wettest September 5th recording 2.08" of rain. The last decade has been 7.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.3°F warmer on this date compared to 20-30 years ago.
Planning for September 5th in New Haven, CT? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 67° | 75° | 0.99" | — |
| 2024 | 76° | 55° | 65° | — | — |
| 2023warmest | 93° | 71° | 82° | — | — |
| 2022 | 87° | 72° | 79° | 0.1" | — |
| 2021 | 76° | 64° | 70° | 0.25" | — |
| 2020 | 78° | 63° | 70° | — | — |
| 2019 | 74° | 59° | 66° | — | — |
| 2018 | 86° | 71° | 79° | — | — |
| 2017 | 81° | 70° | 75° | — | — |
| 2016 | 80° | 59° | 70° | — | — |
| 2015 | 77° | 57° | 67° | — | — |
| 2014 | 86° | 72° | 79° | — | — |
| 2013 | 77° | 53° | 65° | — | — |
| 2012 | 81° | 70° | 75° | 0.79" | — |
| 2011 | 82° | 72° | 77° | — | — |
| 2010 | 75° | 56° | 65° | — | — |
| 2009 | 83° | 66° | 74° | — | — |
| 2008 | 85° | 69° | 77° | — | — |
| 2007 | 76° | 56° | 66° | — | — |
| 2006 | 69° | 58° | 63° | 0.03" | — |
| 2005 | 75° | 59° | 67° | — | — |
| 2004 | 67° | 57° | 62° | 0.08" | — |
| 2003 | 79° | 61° | 70° | — | — |
| 2002 | 78° | 60° | 69° | — | — |
| 2001 | 77° | 49° | 63° | 0.03" | — |
| 2000 | 68° | 46° | 57° | — | — |
| 1999 | 81° | 65° | 73° | — | — |
| 1997coldest | 67° | 44° | 55° | — | — |
| 1996 | 86° | 66° | 76° | — | — |
| 1995 | 86° | 57° | 72° | — | — |
| 1993 | 84° | 62° | 73° | 2.08" | — |
| 1992 | 74° | 64° | 69° | — | — |
| 1991 | 78° | 67° | 72° | 0.18" | — |
| 1990 | 78° | 70° | 74° | — | — |
| 1989 | 79° | 50° | 64° | — | — |
| 1988 | 85° | 73° | 79° | — | — |
| 1987 | 77° | 58° | 67° | — | — |
| 1986 | 74° | 59° | 66° | — | — |
| 1985 | 89° | 68° | 79° | 0.15" | — |
| 1984 | 68° | 52° | 60° | — | — |
| 1983 | 90° | 67° | 78° | — | — |
| 1982 | 76° | 52° | 64° | — | — |
| 1981 | 77° | 55° | 66° | — | — |
| 1980 | 80° | 70° | 75° | — | — |
| 1979 | 88° | 73° | 80° | 0.51" | — |
| 1978 | 85° | 58° | 71° | — | — |
| 1977 | 81° | 65° | 73° | — | — |
| 1976 | 78° | 63° | 70° | — | — |
| 1975 | 78° | 57° | 68° | — | — |
| 1974 | 70° | 52° | 61° | — | — |
| 1973 | 73° | 70° | 71° | — | — |
| 1972 | 76° | 54° | 65° | 0.58" | — |
| 1971 | 89° | 68° | 79° | — | — |
53 years of data from NEW HAVEN