September weather in Vermillion, MN
The average temperature in Vermillion in September is 61.2°F (50.1°F–72.2°F). Average precipitation: 3.44 inches.
September is a fall month in Vermillion, and is warmer than the annual average of 44.1°F. Daily temperatures swing about 22.1°F between overnight low and afternoon high. Daylight averages about 12h 18m. For travel, September is one of the best months of the year to visit.
Avg High
72.2°F
Avg Low
50.1°F
Precipitation
3.44 in
Daylight
12h 18m
September records in Vermillion
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (1960) | 34.0°F (1974) | 1.15 in (1971) |
| September 2 | 91.9°F (1960) | 37.9°F (1974) | 3.13 in (1966) |
| September 3 | 91.9°F (1960) | 30.9°F (1974) | 0.99 in (1991) |
| September 4 | 96.1°F (2023) | 36.0°F (1974) | 1.25 in (1968) |
| September 5 | 97.0°F (2023) | 35.1°F (1962) | 2.24 in (2018) |
| September 6 | 93.0°F (1960) | 34.0°F (1956) | 2.83 in (2002) |
| September 7 | 97.0°F (1976) | 32.0°F (1956) | 0.55 in (1964) |
| September 8 | 95.0°F (1976) | 37.9°F (1995) | 1.41 in (1960) |
| September 9 | 91.0°F (1978) | 34.0°F (1969) | 1.67 in (1991) |
| September 10 | 91.9°F (2013) | 34.0°F (2020) | 1.08 in (1986) |
| September 11 | 91.9°F (1978) | 30.9°F (1955) | 1.80 in (1980) |
| September 12 | 93.9°F (2012) | 30.0°F (1955) | 3.92 in (1978) |
| September 13 | 91.0°F (1998) | 30.0°F (1963) | 1.01 in (1993) |
| September 14 | 86.0°F (2017) | 36.0°F (1956) | 2.19 in (1994) |
| September 15 | 90.0°F (2017) | 32.0°F (1964) | 2.63 in (2004) |
| September 16 | 95.0°F (1955) | 35.1°F (2011) | 4.35 in (1992) |
| September 17 | 91.9°F (1955) | 30.9°F (1980) | 1.36 in (1968) |
| September 18 | 91.9°F (1955) | 33.1°F (1959) | 1.57 in (2015) |
| September 19 | 91.9°F (1984) | 35.1°F (1971) | 1.51 in (2007) |
| September 20 | 90.0°F (1984) | 28.9°F (1962) | 1.27 in (1964) |
| September 21 | 91.9°F (2022) | 33.1°F (1982) | 2.85 in (1986) |
| September 22 | 88.0°F (2005) | 24.1°F (1974) | 1.25 in (2016) |
| September 23 | 93.0°F (2017) | 30.9°F (1989) | 1.78 in (2010) |
| September 24 | 89.1°F (2017) | 30.0°F (2000) | 1.57 in (2010) |
| September 25 | 90.0°F (2017) | 30.0°F (1961) | 1.15 in (1959) |
| September 26 | 87.1°F (1974) | 27.0°F (1965) | 1.84 in (1973) |
| September 27 | 88.0°F (1987) | 30.0°F (1957) | 0.48 in (2007) |
| September 28 | 84.0°F (1956) | 26.1°F (1961) | 0.71 in (1965) |
| September 29 | 84.9°F (2024) | 24.1°F (1967) | 0.72 in (1985) |
| September 30 | 89.1°F (2025) | 26.1°F (1972) | 0.61 in (1977) |