September weather in Risco, MO
The average temperature in Risco in September is 72.8°F (60.7°F–84.9°F). Average precipitation: 3.19 inches.
September is a fall month in Risco, and is warmer than the annual average of 59.9°F. Daily temperatures swing about 24.2°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
84.9°F
Avg Low
60.7°F
Precipitation
3.19 in
Daylight
12h 13m
September records in Risco
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1995) | 48.9°F (1967) | 2.02 in (2012) |
| September 2 | 100.0°F (2013) | 51.1°F (1967) | 1.04 in (2020) |
| September 3 | 97.0°F (1975) | 54.0°F (1967) | 3.20 in (1988) |
| September 4 | 97.0°F (2015) | 51.1°F (1974) | 1.73 in (1969) |
| September 5 | 98.1°F (1999) | 50.0°F (1997) | 1.69 in (1991) |
| September 6 | 98.1°F (1990) | 46.9°F (1988) | 1.53 in (1975) |
| September 7 | 100.0°F (1980) | 48.0°F (1988) | 1.06 in (2018) |
| September 8 | 98.1°F (1980) | 48.9°F (2024) | 1.02 in (2012) |
| September 9 | 100.0°F (1980) | 48.9°F (2024) | 0.89 in (1967) |
| September 10 | 100.9°F (1980) | 46.9°F (1976) | 0.68 in (2010) |
| September 11 | 99.0°F (2013) | 44.1°F (1976) | 3.45 in (1965) |
| September 12 | 96.1°F (2013) | 46.0°F (1976) | 2.63 in (1965) |
| September 13 | 99.0°F (1980) | 46.9°F (1964) | 1.67 in (1963) |
| September 14 | 95.0°F (2025) | 45.0°F (1964) | 1.20 in (1977) |
| September 15 | 100.0°F (2025) | 45.0°F (1961) | 1.55 in (1993) |
| September 16 | 96.1°F (2019) | 44.1°F (1961) | 1.94 in (1996) |
| September 17 | 99.0°F (1980) | 45.0°F (1966) | 1.00 in (1972) |
| September 18 | 97.0°F (2019) | 43.0°F (1981) | 3.44 in (1964) |
| September 19 | 97.0°F (2025) | 41.0°F (1973) | 1.87 in (1966) |
| September 20 | 95.0°F (2018) | 41.0°F (1991) | 2.56 in (2002) |
| September 21 | 95.0°F (2018) | 43.0°F (1962) | 2.60 in (1967) |
| September 22 | 96.1°F (2010) | 42.1°F (1982) | 1.70 in (2003) |
| September 23 | 93.9°F (2005) | 37.9°F (1995) | 8.16 in (2006) |
| September 24 | 93.9°F (2010) | 39.0°F (1965) | 1.70 in (1977) |
| September 25 | 93.0°F (2017) | 43.0°F (2001) | 2.30 in (1977) |
| September 26 | 96.1°F (2016) | 42.1°F (2000) | 1.06 in (1996) |
| September 27 | 91.0°F (1998) | 42.1°F (1975) | 1.31 in (1964) |
| September 28 | 93.9°F (1998) | 37.9°F (1985) | 1.34 in (1964) |
| September 29 | 96.1°F (1986) | 36.0°F (1967) | 1.15 in (1974) |
| September 30 | 95.0°F (1998) | 36.0°F (1967) | 1.55 in (1965) |