September weather in St. Francis, KS
The average temperature in St. Francis in September is 65.9°F (50.3°F–81.5°F). Average precipitation: 1.49 inches. Average snowfall is 0.3 inches.
September is a fall month in St. Francis, and is warmer than the annual average of 51.9°F. Daily temperatures swing about 31.2°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
81.5°F
Avg Low
50.3°F
Precipitation
1.49 in
Snow
0.3 in
September records in St. Francis
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 105.1°F (1985) | 39.0°F (1908) | 1.13 in (2006) |
| September 2 | 105.1°F (1939) | 41.0°F (1952) | 2.71 in (1920) |
| September 3 | 102.9°F (1917) | 28.9°F (1974) | 2.62 in (1951) |
| September 4 | 102.9°F (1946) | 41.0°F (1974) | 2.23 in (2016) |
| September 5 | 105.1°F (1931) | 42.1°F (1988) | 0.25 in (1945) |
| September 6 | 102.0°F (1939) | 37.0°F (1956) | 1.20 in (1929) |
| September 7 | 102.9°F (1908) | 37.9°F (1943) | 2.66 in (1937) |
| September 8 | 102.9°F (1977) | 39.9°F (2010) | 1.32 in (1935) |
| September 9 | 100.9°F (1931) | 34.0°F (2020) | 1.23 in (1934) |
| September 10 | 102.0°F (1974) | 34.0°F (1962) | 0.92 in (2002) |
| September 11 | 102.9°F (2021) | 39.0°F (2016) | 2.04 in (1924) |
| September 12 | 102.0°F (1911) | 34.0°F (2014) | 1.64 in (1933) |
| September 13 | 100.9°F (1955) | 30.0°F (1974) | 2.12 in (1919) |
| September 14 | 102.0°F (1990) | 33.1°F (1989) | 1.17 in (1997) |
| September 15 | 99.0°F (1955) | 33.1°F (1993) | 1.95 in (2004) |
| September 16 | 98.1°F (1955) | 34.0°F (1951) | 1.32 in (1976) |
| September 17 | 99.0°F (1953) | 35.1°F (1918) | 1.62 in (1996) |
| September 18 | 98.1°F (1983) | 33.1°F (1912) | 0.68 in (1971) |
| September 19 | 98.1°F (1935) | 30.9°F (1971) | 0.99 in (1965) |
| September 20 | 100.0°F (1980) | 30.9°F (1927) | 1.27 in (1965) |
| September 21 | 98.1°F (2010) | 25.0°F (1983) | 1.79 in (1963) |
| September 22 | 98.1°F (2005) | 25.0°F (1983) | 1.93 in (1941) |
| September 23 | 96.1°F (1908) | 30.9°F (1912) | 1.50 in (2025) |
| September 24 | 97.0°F (1966) | 28.0°F (1926) | 1.05 in (2017) |
| September 25 | 99.0°F (1998) | 18.0°F (1926) | 1.82 in (1935) |
| September 26 | 96.1°F (1974) | 25.0°F (1942) | 0.59 in (1918) |
| September 27 | 99.0°F (1953) | 24.1°F (1908) | 0.73 in (1973) |
| September 28 | 97.0°F (1921) | 28.9°F (1916) | 1.34 in (1936) |
| September 29 | 96.1°F (1942) | 26.1°F (1920) | 0.87 in (1965) |
| September 30 | 98.1°F (1994) | 21.9°F (1985) | 0.86 in (1945) |