September weather in Sea Isle City, NJ
The average temperature in Sea Isle City in September is 68.9°F (57.5°F–80.3°F). Average precipitation: inches.
September is a fall month in Sea Isle City, and is warmer than the annual average of 55.7°F. Daily temperatures swing about 22.8°F between overnight low and afternoon high. Daylight averages about 12h 14m. For travel, September is a comfortable month to visit.
Avg High
80.3°F
Avg Low
57.5°F
Precipitation
in
Daylight
12h 14m
September records in Sea Isle City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1924) | 39.9°F (1926) | 1.85 in (1949) |
| September 2 | 95.0°F (1953) | 41.0°F (1991) | 3.13 in (2006) |
| September 3 | 96.1°F (1961) | 39.9°F (1967) | 1.40 in (1936) |
| September 4 | 93.9°F (1961) | 41.0°F (1994) | 1.35 in (1998) |
| September 5 | 93.9°F (1961) | 42.1°F (1924) | 5.53 in (1935) |
| September 6 | 91.9°F (1983) | 39.9°F (1924) | 6.53 in (1935) |
| September 7 | 93.0°F (1980) | 37.0°F (1984) | 1.50 in (1956) |
| September 8 | 93.0°F (1939) | 37.0°F (1924) | 1.53 in (1998) |
| September 9 | 90.0°F (1929) | 30.9°F (1986) | 2.85 in (1934) |
| September 10 | 93.0°F (1931) | 37.9°F (1938) | 1.60 in (1935) |
| September 11 | 98.1°F (1931) | 30.9°F (1924) | 4.78 in (1954) |
| September 12 | 98.1°F (1931) | 37.0°F (1993) | 2.17 in (1996) |
| September 13 | 91.9°F (1931) | 37.0°F (1941) | 2.10 in (1950) |
| September 14 | 91.9°F (1988) | 37.0°F (2000) | 2.08 in (1986) |
| September 15 | 93.0°F (1927) | 33.1°F (1923) | 4.50 in (2006) |
| September 16 | 95.0°F (1970) | 34.0°F (1986) | 3.48 in (1999) |
| September 17 | 91.9°F (1970) | 30.9°F (1986) | 3.30 in (1995) |
| September 18 | 91.0°F (1991) | 32.0°F (1923) | 3.10 in (1936) |
| September 19 | 90.0°F (1965) | 30.0°F (1943) | 2.20 in (1989) |
| September 20 | 89.1°F (1983) | 33.1°F (1986) | 1.77 in (1938) |
| September 21 | 93.0°F (1931) | 30.0°F (1962) | 4.32 in (1938) |
| September 22 | 95.0°F (1931) | 32.0°F (1962) | 1.66 in (1979) |
| September 23 | 97.0°F (1970) | 35.1°F (1947) | 1.35 in (1924) |
| September 24 | 93.9°F (1970) | 30.9°F (1963) | 0.46 in (1956) |
| September 25 | 93.0°F (1970) | 30.0°F (1928) | 1.49 in (1980) |
| September 26 | 93.0°F (1970) | 30.0°F (1925) | 2.81 in (1992) |
| September 27 | 91.0°F (1998) | 30.0°F (1928) | 3.85 in (1985) |
| September 28 | 88.0°F (1998) | 28.0°F (1957) | 1.08 in (1956) |
| September 29 | 89.1°F (1954) | 28.9°F (1942) | 1.73 in (1966) |
| September 30 | 87.1°F (1954) | 30.0°F (1942) | 2.36 in (1964) |