September weather in Salem, NJ
The average temperature in Salem in September is 68.9°F (59.3°F–78.5°F). Average precipitation: 4.38 inches.
September is a fall month in Salem, and is warmer than the annual average of 55.5°F. Daily temperatures swing about 19.2°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
78.5°F
Avg Low
59.3°F
Precipitation
4.38 in
Daylight
12h 15m
September records in Salem
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (1953) | 51.1°F (1948) | 2.30 in (2021) |
| September 2 | 100.0°F (1953) | 48.9°F (1948) | 1.98 in (1959) |
| September 3 | 100.0°F (1953) | 48.0°F (1967) | 4.43 in (1969) |
| September 4 | 96.1°F (2023) | 46.9°F (1997) | 1.09 in (1988) |
| September 5 | 93.0°F (1961) | 48.0°F (1997) | 1.89 in (2006) |
| September 6 | 98.1°F (1983) | 46.9°F (1988) | 2.73 in (2008) |
| September 7 | 95.0°F (1983) | 43.0°F (1984) | 0.76 in (1974) |
| September 8 | 93.9°F (2016) | 46.9°F (1984) | 1.29 in (1995) |
| September 9 | 95.0°F (2016) | 46.0°F (1986) | 2.33 in (2018) |
| September 10 | 98.1°F (1983) | 44.1°F (1975) | 2.01 in (1957) |
| September 11 | 100.0°F (1983) | 46.0°F (1949) | 2.36 in (2009) |
| September 12 | 96.1°F (1931) | 45.0°F (1967) | 4.65 in (1960) |
| September 13 | 95.0°F (1952) | 46.0°F (1958) | 2.54 in (1971) |
| September 14 | 93.0°F (2016) | 43.0°F (1975) | 3.72 in (1966) |
| September 15 | 91.0°F (1993) | 44.1°F (1975) | 1.27 in (2003) |
| September 16 | 93.9°F (1970) | 39.9°F (1984) | 8.29 in (1999) |
| September 17 | 91.9°F (1991) | 43.0°F (1986) | 1.85 in (1993) |
| September 18 | 89.1°F (2016) | 39.9°F (1959) | 2.54 in (2004) |
| September 19 | 93.9°F (1983) | 43.0°F (1959) | 2.33 in (1960) |
| September 20 | 93.0°F (1983) | 41.0°F (1962) | 0.70 in (1982) |
| September 21 | 91.9°F (1931) | 37.0°F (1956) | 2.76 in (1983) |
| September 22 | 93.9°F (1970) | 39.9°F (1962) | 1.55 in (1990) |
| September 23 | 93.9°F (1970) | 41.0°F (1963) | 2.48 in (1975) |
| September 24 | 91.9°F (2010) | 36.0°F (1974) | 1.30 in (1975) |
| September 25 | 93.0°F (1970) | 37.0°F (1997) | 2.03 in (1991) |
| September 26 | 91.9°F (2007) | 39.9°F (1932) | 1.71 in (1985) |
| September 27 | 91.0°F (1998) | 37.0°F (1957) | 2.04 in (1985) |
| September 28 | 87.1°F (2019) | 37.9°F (1957) | 5.72 in (2004) |
| September 29 | 87.1°F (1953) | 39.0°F (1951) | 1.97 in (1963) |
| September 30 | 88.0°F (1953) | 36.0°F (1942) | 4.32 in (2010) |