September weather in Dexter, NY
The average temperature in Dexter in September is 60.0°F (48.8°F–71.2°F). Average precipitation: 3.56 inches.
September is a fall month in Dexter, and is warmer than the annual average of 45.3°F. Daily temperatures swing about 22.4°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
71.2°F
Avg Low
48.8°F
Precipitation
3.56 in
Daylight
12h 17m
September records in Dexter
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 89.1°F (1953) | 37.0°F (1967) | 1.27 in (1980) |
| September 2 | 90.0°F (1952) | 30.9°F (1967) | 1.08 in (1981) |
| September 3 | 93.0°F (1953) | 30.9°F (1976) | 0.89 in (1992) |
| September 4 | 96.1°F (1953) | 30.9°F (1997) | 2.62 in (2012) |
| September 5 | 93.0°F (1973) | 33.1°F (2000) | 2.06 in (1953) |
| September 6 | 91.9°F (1971) | 32.0°F (2000) | 0.97 in (1979) |
| September 7 | 95.0°F (2007) | 37.0°F (1967) | 1.26 in (1999) |
| September 8 | 88.0°F (1964) | 32.0°F (1990) | 1.00 in (1987) |
| September 9 | 91.0°F (1959) | 33.1°F (1979) | 2.51 in (2004) |
| September 10 | 90.0°F (1959) | 34.0°F (1973) | 1.71 in (1981) |
| September 11 | 89.1°F (1961) | 30.9°F (1967) | 2.43 in (1978) |
| September 12 | 84.9°F (1951) | 33.1°F (1976) | 1.69 in (2015) |
| September 13 | 89.1°F (1951) | 32.0°F (1964) | 1.60 in (1977) |
| September 14 | 90.0°F (1961) | 32.0°F (1986) | 2.53 in (1979) |
| September 15 | 82.9°F (1971) | 32.0°F (2020) | 1.10 in (1952) |
| September 16 | 88.0°F (1991) | 30.0°F (1959) | 3.66 in (2005) |
| September 17 | 84.9°F (1955) | 28.9°F (1961) | 1.05 in (1962) |
| September 18 | 86.0°F (1955) | 26.1°F (1990) | 1.87 in (1973) |
| September 19 | 84.0°F (2003) | 26.2°F (2020) | 0.85 in (1971) |
| September 20 | 88.0°F (1983) | 27.0°F (1993) | 0.94 in (1988) |
| September 21 | 88.0°F (1965) | 27.0°F (1962) | 1.15 in (1966) |
| September 22 | 91.0°F (1965) | 28.0°F (1974) | 1.08 in (1967) |
| September 23 | 86.0°F (1959) | 26.1°F (1974) | 1.22 in (1983) |
| September 24 | 88.0°F (1970) | 26.1°F (1997) | 1.79 in (2001) |
| September 25 | 89.1°F (2007) | 30.0°F (1950) | 2.31 in (1975) |
| September 26 | 84.0°F (2017) | 27.0°F (1978) | 2.11 in (1975) |
| September 27 | 84.9°F (2017) | 26.1°F (1989) | 2.13 in (2002) |
| September 28 | 84.9°F (1959) | 27.0°F (1957) | 1.21 in (2011) |
| September 29 | 88.0°F (1959) | 23.0°F (2000) | 1.81 in (1997) |
| September 30 | 80.1°F (1953) | 21.9°F (1991) | 2.90 in (2010) |