September weather in Salem, MO
The average temperature in Salem in September is 67.5°F (55.5°F–79.5°F). Average precipitation: 4.03 inches.
September is a fall month in Salem, and is warmer than the annual average of 55.3°F. Daily temperatures swing about 24°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 14m. For travel, September is a comfortable month to visit.
Avg High
79.5°F
Avg Low
55.5°F
Precipitation
4.03 in
Daylight
12h 14m
September records in Salem
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (1913) | 41.0°F (1949) | 2.76 in (2024) |
| September 2 | 102.9°F (1913) | 41.0°F (1949) | 1.87 in (1946) |
| September 3 | 106.0°F (1913) | 39.0°F (1912) | 1.61 in (1995) |
| September 4 | 104.0°F (1947) | 37.9°F (1974) | 5.45 in (2008) |
| September 5 | 100.9°F (1925) | 42.1°F (1974) | 2.35 in (1965) |
| September 6 | 100.9°F (1925) | 37.9°F (1988) | 1.09 in (2012) |
| September 7 | 100.9°F (1947) | 36.0°F (1956) | 1.78 in (1916) |
| September 8 | 104.0°F (1947) | 34.0°F (1956) | 2.02 in (2018) |
| September 9 | 100.0°F (1925) | 39.0°F (1956) | 2.88 in (1984) |
| September 10 | 98.1°F (1938) | 36.0°F (1940) | 2.40 in (1920) |
| September 11 | 95.0°F (1936) | 35.1°F (1940) | 2.13 in (1984) |
| September 12 | 96.1°F (1911) | 37.0°F (1955) | 3.12 in (1913) |
| September 13 | 98.1°F (1956) | 39.0°F (1964) | 4.34 in (1949) |
| September 14 | 98.1°F (1939) | 39.0°F (1996) | 2.44 in (1993) |
| September 15 | 98.1°F (1939) | 37.9°F (1979) | 3.75 in (1914) |
| September 16 | 98.1°F (1956) | 36.0°F (1916) | 2.21 in (2010) |
| September 17 | 98.1°F (1931) | 37.0°F (1918) | 2.65 in (1905) |
| September 18 | 96.1°F (1925) | 37.0°F (1943) | 2.50 in (1988) |
| September 19 | 96.1°F (1953) | 34.0°F (1928) | 1.33 in (1975) |
| September 20 | 98.1°F (1954) | 35.1°F (1918) | 2.27 in (2009) |
| September 21 | 96.1°F (2017) | 30.9°F (1918) | 2.20 in (1925) |
| September 22 | 95.0°F (2017) | 32.0°F (1927) | 2.40 in (1945) |
| September 23 | 93.9°F (1956) | 30.0°F (1995) | 3.45 in (2024) |
| September 24 | 93.9°F (2017) | 27.0°F (1989) | 2.63 in (1970) |
| September 25 | 91.9°F (1939) | 30.9°F (1989) | 2.08 in (2005) |
| September 26 | 91.0°F (1938) | 30.9°F (1928) | 1.96 in (1935) |
| September 27 | 91.0°F (1911) | 30.9°F (1940) | 3.01 in (1966) |
| September 28 | 93.0°F (2021) | 30.0°F (1942) | 2.41 in (1906) |
| September 29 | 99.0°F (1953) | 33.1°F (2003) | 1.69 in (1987) |
| September 30 | 100.0°F (1953) | 30.9°F (1984) | 2.57 in (1955) |