September weather in Tower, MN
The average temperature in Tower in September is 54.0°F (41.5°F–66.6°F). Average precipitation: 3.92 inches.
September is a fall month in Tower, and is warmer than the annual average of 36.9°F. Daily temperatures swing about 25.1°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 12h 20m. For travel, September is a comfortable month to visit.
Avg High
66.6°F
Avg Low
41.5°F
Precipitation
3.92 in
Daylight
12h 20m
September records in Tower
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 90.0°F (1898) | 23.0°F (1974) | 1.60 in (1902) |
| September 2 | 90.0°F (1898) | 23.0°F (1994) | 1.45 in (1986) |
| September 3 | 91.0°F (1983) | 19.9°F (1997) | 2.03 in (1953) |
| September 4 | 91.9°F (2023) | 25.0°F (1974) | 2.38 in (1999) |
| September 5 | 90.0°F (1978) | 24.1°F (1993) | 1.30 in (2016) |
| September 6 | 90.0°F (1998) | 27.0°F (1988) | 1.27 in (2004) |
| September 7 | 91.9°F (1978) | 19.9°F (1986) | 8.70 in (2007) |
| September 8 | 95.0°F (1976) | 19.9°F (1995) | 3.71 in (1991) |
| September 9 | 91.0°F (2002) | 21.9°F (1975) | 1.48 in (1962) |
| September 10 | 88.0°F (2011) | 23.0°F (1997) | 2.65 in (1961) |
| September 11 | 86.0°F (2005) | 25.0°F (1985) | 4.64 in (1947) |
| September 12 | 89.1°F (2005) | 25.0°F (1985) | 3.10 in (2003) |
| September 13 | 84.0°F (2024) | 25.0°F (1902) | 2.25 in (1980) |
| September 14 | 84.9°F (1897) | 26.1°F (1974) | 1.12 in (1998) |
| September 15 | 82.0°F (1897) | 21.9°F (1900) | 1.35 in (1928) |
| September 16 | 84.0°F (2025) | 10.9°F (1900) | 1.19 in (2004) |
| September 17 | 86.0°F (2024) | 21.9°F (1973) | 1.25 in (1986) |
| September 18 | 84.0°F (2024) | 21.0°F (2020) | 1.83 in (1950) |
| September 19 | 87.1°F (2000) | 19.9°F (1897) | 2.18 in (2007) |
| September 20 | 86.0°F (1984) | 17.1°F (1973) | 1.01 in (1936) |
| September 21 | 80.1°F (2005) | 21.9°F (1982) | 1.58 in (1926) |
| September 22 | 84.9°F (1936) | 17.1°F (1995) | 1.20 in (1941) |
| September 23 | 80.1°F (2017) | 16.0°F (1995) | 1.80 in (1926) |
| September 24 | 82.0°F (2007) | 15.1°F (2000) | 1.68 in (2023) |
| September 25 | 82.9°F (2007) | 10.9°F (1900) | 1.60 in (1895) |
| September 26 | 84.9°F (1897) | 18.0°F (1985) | 2.06 in (1999) |
| September 27 | 82.0°F (2024) | 18.0°F (1899) | 1.24 in (1996) |
| September 28 | 86.0°F (1897) | 15.1°F (1899) | 1.10 in (1895) |
| September 29 | 80.1°F (1897) | 16.0°F (1974) | 0.92 in (1971) |
| September 30 | 84.0°F (2025) | 19.0°F (1972) | 2.71 in (1965) |