Weather on September 13
New Haven, CT
55 Years of Data
About This Date
September 13th in New Haven, CT typically brings pleasant fall weather, with average highs around 78°F and lows near 59°F. Over 54 years of records, the warmest September 13th was in 1974 (79°F average), while the coldest was 1985 (52°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 30% of September 13th dates historically, with the wettest September 13th recording 2.07" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for September 13th in New Haven, CT? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 76° | 66° | 71° | — | — |
| 2025 | 77° | 57° | 67° | — | — |
| 2024 | 80° | 56° | 68° | — | — |
| 2023 | 81° | 68° | 74° | 0.57" | — |
| 2022 | 82° | 67° | 74° | 1.2" | — |
| 2021 | 84° | 68° | 76° | — | — |
| 2020 | 77° | 58° | 67° | — | — |
| 2019 | 73° | 53° | 63° | — | — |
| 2018 | 76° | 67° | 71° | 0.05" | — |
| 2017 | 79° | 52° | 65° | — | — |
| 2016 | 78° | 53° | 66° | — | — |
| 2015 | 79° | 61° | 70° | — | — |
| 2014 | 71° | 56° | 63° | 0.21" | — |
| 2013 | 78° | 59° | 69° | 0.12" | — |
| 2012 | 79° | 55° | 67° | — | — |
| 2011 | 82° | 62° | 72° | — | — |
| 2010 | 71° | 59° | 65° | 0.05" | — |
| 2009 | 81° | 65° | 73° | — | — |
| 2008 | 77° | 68° | 73° | — | — |
| 2007 | 75° | 50° | 63° | — | — |
| 2006 | 69° | 47° | 58° | — | — |
| 2005 | 84° | 60° | 72° | — | — |
| 2004 | 82° | 60° | 71° | — | — |
| 2003 | 71° | 61° | 66° | 0.27" | — |
| 2002 | 79° | 46° | 62° | — | — |
| 2001 | 86° | 49° | 67° | — | — |
| 2000 | 79° | 55° | 67° | 0.28" | — |
| 1999 | 78° | 53° | 66° | 0.01" | — |
| 1997 | 84° | 58° | 71° | — | — |
| 1996 | 66° | 58° | 62° | 1.46" | — |
| 1995 | 77° | 62° | 70° | 0.27" | — |
| 1993 | 81° | 54° | 67° | — | — |
| 1992 | 77° | 62° | 70° | — | — |
| 1991 | 74° | 52° | 63° | — | — |
| 1990 | 84° | 68° | 76° | — | — |
| 1989 | 81° | 61° | 71° | — | — |
| 1988 | 82° | 68° | 75° | 0.65" | — |
| 1987 | 72° | 65° | 68° | 2.07" | — |
| 1986 | 79° | 57° | 68° | — | — |
| 1985coldest | 62° | 42° | 52° | — | — |
| 1984 | 75° | 53° | 64° | — | — |
| 1983 | 79° | 58° | 68° | 0.25" | — |
| 1982 | 80° | 60° | 70° | — | — |
| 1981 | 86° | 61° | 73° | — | — |
| 1980 | 82° | 63° | 72° | — | — |
| 1979 | 75° | 57° | 66° | — | — |
| 1978 | 84° | 51° | 68° | — | — |
| 1977 | 73° | 63° | 68° | 0.01" | — |
| 1976 | 83° | 56° | 69° | — | — |
| 1975 | 67° | 50° | 58° | — | — |
| 1974warmest | 88° | 71° | 79° | — | — |
| 1973 | 75° | 48° | 62° | — | — |
| 1972 | 81° | 64° | 72° | — | — |
| 1971 | 75° | 71° | 73° | 0.29" | — |
New Haven, CT Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
New Haven, CT Monthly Precipitation
Average rainfall and snowfall per month, in inches.
New Haven, CT Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit New Haven, CT
Most pleasant months in New Haven, CT: May, June, August, September.
What to expect on September 13th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
September 13th outlook →