September weather in Mound City, MO
The average temperature in Mound City in September is 67.1°F (55.7°F–78.4°F). Average precipitation: inches.
September is a fall month in Mound City, and is warmer than the annual average of 52.7°F. Daily temperatures swing about 22.7°F between overnight low and afternoon high. Daylight averages about 12h 15m. For travel, September is one of the best months of the year to visit.
Avg High
78.4°F
Avg Low
55.7°F
Precipitation
in
Daylight
12h 15m
September records in Mound City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (1922) | 45.0°F (1949) | 3.03 in (1934) |
| September 2 | 102.9°F (1975) | 46.0°F (1974) | 1.43 in (1926) |
| September 3 | 108.0°F (1947) | 37.9°F (1974) | 4.60 in (1961) |
| September 4 | 100.9°F (1913) | 37.9°F (1974) | 1.80 in (1946) |
| September 5 | 102.0°F (1913) | 42.1°F (1974) | 2.93 in (1898) |
| September 6 | 105.1°F (1939) | 43.0°F (1956) | 2.16 in (1909) |
| September 7 | 105.1°F (1939) | 43.0°F (1956) | 2.21 in (1914) |
| September 8 | 98.1°F (1931) | 46.0°F (1992) | 3.41 in (1965) |
| September 9 | 100.0°F (1933) | 41.0°F (2008) | 2.16 in (1930) |
| September 10 | 99.0°F (1931) | 42.1°F (1910) | 1.70 in (2014) |
| September 11 | 98.1°F (1933) | 37.9°F (1940) | 3.30 in (1925) |
| September 12 | 100.0°F (2000) | 37.9°F (1975) | 2.00 in (1974) |
| September 13 | 100.0°F (1939) | 36.0°F (1902) | 3.88 in (1961) |
| September 14 | 100.0°F (1939) | 36.0°F (2014) | 4.86 in (2016) |
| September 15 | 100.0°F (1939) | 34.0°F (1993) | 1.00 in (1942) |
| September 16 | 100.0°F (1931) | 37.0°F (1993) | 5.35 in (1905) |
| September 17 | 100.0°F (1953) | 37.0°F (1980) | 1.72 in (1970) |
| September 18 | 98.1°F (1895) | 35.1°F (1901) | 4.25 in (1978) |
| September 19 | 97.0°F (1931) | 32.0°F (1991) | 1.68 in (1998) |
| September 20 | 95.0°F (1972) | 33.1°F (1918) | 2.15 in (1978) |
| September 21 | 99.0°F (1956) | 28.9°F (1995) | 3.35 in (1965) |
| September 22 | 100.0°F (1937) | 30.9°F (1995) | 2.02 in (1993) |
| September 23 | 93.0°F (1938) | 35.1°F (1975) | 1.69 in (1931) |
| September 24 | 91.0°F (2017) | 30.0°F (1942) | 1.55 in (1977) |
| September 25 | 91.0°F (1956) | 33.1°F (1926) | 1.62 in (1973) |
| September 26 | 96.1°F (1938) | 33.1°F (1926) | 6.65 in (1933) |
| September 27 | 93.9°F (1956) | 28.9°F (1942) | 1.80 in (1924) |
| September 28 | 102.0°F (1953) | 30.0°F (1942) | 4.65 in (1946) |
| September 29 | 96.1°F (1953) | 30.0°F (1916) | 2.20 in (1950) |
| September 30 | 95.0°F (2002) | 33.1°F (1895) | 5.26 in (1923) |