September weather in Sagaponack, NY
The average temperature in Sagaponack in September is 64.2°F (55.6°F–72.8°F). Average precipitation: 4.79 inches.
September is a fall month in Sagaponack, and is warmer than the annual average of 50.8°F. Daily temperatures swing about 17.2°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
72.8°F
Avg Low
55.6°F
Precipitation
4.79 in
Daylight
12h 15m
September records in Sagaponack
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (2010) | 46.0°F (1986) | 0.91 in (1987) |
| September 2 | 93.9°F (1953) | 44.1°F (1991) | 2.92 in (2021) |
| September 3 | 90.0°F (1973) | 44.1°F (2017) | 2.27 in (1972) |
| September 4 | 89.1°F (1973) | 44.1°F (2017) | 3.15 in (2013) |
| September 5 | 90.0°F (1983) | 45.0°F (1987) | 1.03 in (1991) |
| September 6 | 91.0°F (1983) | 45.0°F (1989) | 2.27 in (1935) |
| September 7 | 93.0°F (1983) | 41.0°F (1938) | 2.60 in (2008) |
| September 8 | 91.0°F (2023) | 44.1°F (1984) | 2.27 in (2011) |
| September 9 | 88.0°F (1959) | 39.9°F (1986) | 1.09 in (1969) |
| September 10 | 90.0°F (1983) | 41.0°F (1938) | 3.42 in (1999) |
| September 11 | 93.0°F (1931) | 41.0°F (1995) | 7.46 in (1954) |
| September 12 | 88.0°F (1961) | 43.0°F (1995) | 3.09 in (1960) |
| September 13 | 89.1°F (2005) | 43.0°F (1967) | 2.41 in (1937) |
| September 14 | 84.9°F (2005) | 43.0°F (1992) | 1.43 in (1947) |
| September 15 | 88.0°F (2005) | 37.0°F (1986) | 5.87 in (2006) |
| September 16 | 84.0°F (1941) | 39.0°F (1983) | 6.94 in (1932) |
| September 17 | 84.0°F (1991) | 39.9°F (1984) | 3.21 in (1933) |
| September 18 | 82.0°F (1992) | 37.0°F (1959) | 1.97 in (1996) |
| September 19 | 84.9°F (1967) | 37.0°F (1984) | 3.28 in (1960) |
| September 20 | 86.0°F (1983) | 39.9°F (1982) | 2.23 in (1960) |
| September 21 | 82.0°F (1989) | 39.0°F (1956) | 7.24 in (1961) |
| September 22 | 89.1°F (1980) | 36.0°F (1962) | 2.51 in (1990) |
| September 23 | 88.0°F (1941) | 41.0°F (1947) | 1.97 in (1994) |
| September 24 | 82.9°F (2009) | 37.9°F (1953) | 1.73 in (1977) |
| September 25 | 86.0°F (1930) | 35.1°F (1963) | 1.69 in (1940) |
| September 26 | 87.1°F (1930) | 35.1°F (1987) | 3.32 in (2008) |
| September 27 | 82.0°F (1998) | 35.1°F (1978) | 2.86 in (1958) |
| September 28 | 80.1°F (2017) | 35.1°F (1989) | 3.15 in (2004) |
| September 29 | 80.1°F (2010) | 36.0°F (1947) | 4.65 in (2004) |
| September 30 | 79.0°F (1952) | 36.0°F (2000) | 1.73 in (2023) |