September weather in Hartsburg, MO
The average temperature in Hartsburg in September is 69.2°F (58.3°F–80.1°F). Average precipitation: 3.83 inches.
September is a fall month in Hartsburg, and is warmer than the annual average of 56°F. Daily temperatures swing about 21.8°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
80.1°F
Avg Low
58.3°F
Precipitation
3.83 in
Daylight
12h 14m
September records in Hartsburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 99.0°F (1984) | 48.9°F (1987) | 4.50 in (2014) |
| September 2 | 96.1°F (2011) | 46.9°F (1974) | 2.65 in (1993) |
| September 3 | 95.0°F (1978) | 43.0°F (1974) | 2.16 in (1977) |
| September 4 | 96.1°F (1990) | 39.9°F (1974) | 2.31 in (2008) |
| September 5 | 98.1°F (1990) | 45.0°F (1974) | 0.97 in (2014) |
| September 6 | 98.1°F (1990) | 41.0°F (1988) | 0.75 in (1996) |
| September 7 | 97.0°F (1971) | 43.0°F (1988) | 1.79 in (1972) |
| September 8 | 97.0°F (1971) | 43.0°F (1986) | 2.85 in (2016) |
| September 9 | 97.0°F (1983) | 48.0°F (1998) | 2.11 in (2016) |
| September 10 | 97.0°F (1983) | 44.1°F (1976) | 1.71 in (2016) |
| September 11 | 96.1°F (2013) | 46.0°F (1976) | 1.69 in (1975) |
| September 12 | 97.0°F (1980) | 45.0°F (2014) | 2.09 in (2020) |
| September 13 | 97.0°F (2025) | 39.9°F (2014) | 2.76 in (2008) |
| September 14 | 100.9°F (1971) | 41.0°F (1996) | 1.99 in (2008) |
| September 15 | 95.0°F (2025) | 39.9°F (2007) | 1.40 in (2005) |
| September 16 | 93.9°F (2019) | 43.0°F (1984) | 0.68 in (1980) |
| September 17 | 95.0°F (1978) | 43.0°F (1981) | 0.77 in (1982) |
| September 18 | 93.9°F (1978) | 39.9°F (1981) | 1.57 in (2017) |
| September 19 | 98.1°F (2022) | 35.1°F (1991) | 2.10 in (1993) |
| September 20 | 98.1°F (2022) | 36.0°F (1991) | 1.60 in (1992) |
| September 21 | 96.1°F (2022) | 35.1°F (1983) | 1.61 in (2003) |
| September 22 | 93.0°F (1988) | 33.1°F (1995) | 2.23 in (1986) |
| September 23 | 93.9°F (2007) | 34.0°F (1983) | 2.25 in (1996) |
| September 24 | 91.0°F (2007) | 33.1°F (1989) | 1.59 in (2009) |
| September 25 | 89.1°F (2017) | 37.0°F (1989) | 0.74 in (2007) |
| September 26 | 90.0°F (1981) | 36.0°F (1984) | 1.24 in (1996) |
| September 27 | 91.0°F (1971) | 36.0°F (1985) | 1.12 in (1986) |
| September 28 | 90.0°F (1971) | 41.0°F (1984) | 1.40 in (2005) |
| September 29 | 91.0°F (1981) | 37.0°F (1992) | 1.50 in (1988) |
| September 30 | 93.0°F (2023) | 32.0°F (1984) | 1.27 in (2007) |