September weather in Bridgeport, CT
The average temperature in Bridgeport in September is 67.6°F (59.8°F–75.4°F). Average precipitation: 3.96 inches.
September is a fall month in Bridgeport, and is warmer than the annual average of 53.4°F. Daily temperatures swing about 15.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
75.4°F
Avg Low
59.8°F
Precipitation
3.96 in
Daylight
12h 16m
September records in Bridgeport
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (2010) | 52.0°F (1970) | 5.77 in (2021) |
| September 2 | 99.0°F (1953) | 50.0°F (1949) | 2.20 in (2002) |
| September 3 | 91.0°F (1993) | 46.0°F (1967) | 3.34 in (1992) |
| September 4 | 91.0°F (1973) | 51.1°F (1997) | 0.93 in (1988) |
| September 5 | 91.0°F (1961) | 48.9°F (1982) | 0.48 in (2025) |
| September 6 | 91.9°F (1983) | 48.0°F (1984) | 2.90 in (2008) |
| September 7 | 93.0°F (2023) | 46.0°F (1962) | 0.82 in (1987) |
| September 8 | 93.9°F (2015) | 48.9°F (1962) | 2.08 in (1969) |
| September 9 | 90.0°F (2016) | 48.0°F (1956) | 0.53 in (2008) |
| September 10 | 93.0°F (1983) | 46.0°F (1956) | 1.98 in (2020) |
| September 11 | 90.0°F (1983) | 45.0°F (1969) | 3.29 in (1954) |
| September 12 | 88.0°F (1952) | 44.1°F (1958) | 4.46 in (1960) |
| September 13 | 89.1°F (1952) | 46.0°F (1954) | 2.12 in (1971) |
| September 14 | 88.0°F (2016) | 44.1°F (1963) | 0.81 in (1973) |
| September 15 | 84.9°F (1993) | 46.0°F (1963) | 1.35 in (2006) |
| September 16 | 89.1°F (1991) | 43.0°F (1964) | 3.00 in (1999) |
| September 17 | 89.1°F (1991) | 41.0°F (1950) | 2.41 in (1996) |
| September 18 | 84.0°F (1992) | 42.1°F (1990) | 2.69 in (2004) |
| September 19 | 88.0°F (1983) | 42.1°F (1959) | 1.84 in (2000) |
| September 20 | 87.1°F (1983) | 42.1°F (1979) | 2.43 in (1977) |
| September 21 | 84.9°F (1965) | 36.0°F (1956) | 3.00 in (1966) |
| September 22 | 89.1°F (1970) | 42.1°F (1962) | 1.14 in (1979) |
| September 23 | 91.0°F (1970) | 39.9°F (1963) | 1.63 in (1975) |
| September 24 | 87.1°F (1959) | 36.0°F (1963) | 2.29 in (1977) |
| September 25 | 84.9°F (1970) | 37.0°F (1950) | 1.97 in (2018) |
| September 26 | 84.0°F (1958) | 43.0°F (1949) | 1.82 in (1993) |
| September 27 | 84.0°F (1998) | 37.0°F (1957) | 1.62 in (1962) |
| September 28 | 81.0°F (1959) | 36.0°F (1957) | 4.80 in (2012) |
| September 29 | 82.9°F (1959) | 39.0°F (1957) | 3.35 in (2023) |
| September 30 | 82.0°F (1986) | 37.0°F (1951) | 0.91 in (2015) |