September weather in New Britain, CT
The average temperature in New Britain in September is °F (°F–°F). Average precipitation: 4.90 inches.
September is a fall month in New Britain, and is cooler than the annual average of 0°F. Daylight averages about 12h 16m.
Avg High
°F
Avg Low
°F
Precipitation
4.90 in
Daylight
12h 16m
September records in New Britain
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 1.31 in (1954) |
| September 2 | — | — | 5.49 in (2021) |
| September 3 | — | — | 1.02 in (2002) |
| September 4 | — | — | 2.42 in (1974) |
| September 5 | — | — | 0.93 in (2006) |
| September 6 | — | — | 2.04 in (2022) |
| September 7 | — | — | 1.60 in (2022) |
| September 8 | — | — | 4.05 in (2008) |
| September 9 | — | — | 1.72 in (1981) |
| September 10 | — | — | 2.12 in (2023) |
| September 11 | — | — | 2.54 in (1968) |
| September 12 | — | — | 2.31 in (1954) |
| September 13 | — | — | 4.93 in (1960) |
| September 14 | — | — | 3.58 in (1987) |
| September 15 | — | — | 1.67 in (1966) |
| September 16 | — | — | 1.44 in (2003) |
| September 17 | — | — | 8.20 in (1999) |
| September 18 | — | — | 2.81 in (1996) |
| September 19 | — | — | 2.90 in (1978) |
| September 20 | — | — | 2.50 in (1977) |
| September 21 | — | — | 1.43 in (1961) |
| September 22 | — | — | 2.57 in (1966) |
| September 23 | — | — | 3.40 in (1994) |
| September 24 | — | — | 3.40 in (1994) |
| September 25 | — | — | 3.40 in (2023) |
| September 26 | — | — | 2.00 in (1991) |
| September 27 | — | — | 4.00 in (2008) |
| September 28 | — | — | 1.89 in (1962) |
| September 29 | — | — | 2.53 in (1974) |
| September 30 | — | — | 2.71 in (2015) |