September weather in Slater, MO
The average temperature in Slater in September is 67.8°F (56.3°F–79.3°F). Average precipitation: 4.04 inches.
September is a fall month in Slater, and is warmer than the annual average of 54°F. Daily temperatures swing about 23°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 14m. For travel, September is a comfortable month to visit.
Avg High
79.3°F
Avg Low
56.3°F
Precipitation
4.04 in
Daylight
12h 14m
September records in Slater
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.9°F (1913) | 41.0°F (1949) | 4.21 in (2012) |
| September 2 | 102.0°F (1913) | 43.0°F (1949) | 4.52 in (1918) |
| September 3 | 102.9°F (1913) | 41.0°F (1893) | 2.80 in (1921) |
| September 4 | 104.0°F (1913) | 41.0°F (1974) | 3.53 in (1910) |
| September 5 | 104.0°F (1925) | 45.0°F (1962) | 1.50 in (1929) |
| September 6 | 105.1°F (1925) | 39.9°F (1988) | 1.50 in (1905) |
| September 7 | 105.1°F (1925) | 42.1°F (1956) | 2.03 in (1969) |
| September 8 | 100.9°F (1925) | 45.0°F (1898) | 5.21 in (1914) |
| September 9 | 100.9°F (1925) | 44.1°F (1902) | 3.28 in (1915) |
| September 10 | 98.1°F (1919) | 43.0°F (1976) | 3.80 in (1911) |
| September 11 | 100.9°F (1936) | 39.0°F (1922) | 4.09 in (2010) |
| September 12 | 100.9°F (1897) | 42.1°F (1902) | 3.85 in (1934) |
| September 13 | 100.0°F (1893) | 32.0°F (1902) | 5.75 in (1961) |
| September 14 | 102.0°F (1895) | 32.0°F (1902) | 3.22 in (1998) |
| September 15 | 100.9°F (1927) | 37.0°F (1916) | 2.75 in (1988) |
| September 16 | 99.0°F (1927) | 37.0°F (1916) | 2.51 in (1965) |
| September 17 | 102.0°F (1927) | 35.1°F (1903) | 5.45 in (1905) |
| September 18 | 100.0°F (1925) | 34.0°F (1901) | 1.45 in (1922) |
| September 19 | 98.1°F (1925) | 34.0°F (1991) | 1.32 in (1904) |
| September 20 | 98.1°F (2022) | 34.0°F (1918) | 2.18 in (1957) |
| September 21 | 98.1°F (2022) | 37.0°F (1897) | 2.58 in (1947) |
| September 22 | 99.0°F (1937) | 32.0°F (1995) | 5.81 in (1970) |
| September 23 | 96.1°F (1937) | 32.0°F (1995) | 4.03 in (1973) |
| September 24 | 91.9°F (1933) | 33.1°F (1989) | 1.74 in (2025) |
| September 25 | 91.9°F (1933) | 33.1°F (1989) | 2.00 in (1923) |
| September 26 | 93.0°F (1897) | 30.0°F (1912) | 2.90 in (1917) |
| September 27 | 93.0°F (1956) | 36.0°F (1994) | 1.80 in (1920) |
| September 28 | 100.9°F (1953) | 28.9°F (1942) | 2.75 in (1999) |
| September 29 | 99.0°F (1953) | 28.9°F (1899) | 1.45 in (2019) |
| September 30 | 93.9°F (1897) | 28.0°F (1895) | 2.14 in (1926) |