September weather in Aitkin, MN
The average temperature in Aitkin in September is 57.1°F (45.6°F–68.6°F). Average precipitation: 3.10 inches.
September is a fall month in Aitkin, and is warmer than the annual average of 40.6°F. Daily temperatures swing about 23°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
68.6°F
Avg Low
45.6°F
Precipitation
3.10 in
Daylight
12h 19m
September records in Aitkin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 89.1°F (1961) | 30.0°F (1974) | 1.72 in (1986) |
| September 2 | 91.0°F (1961) | 33.1°F (1994) | 0.92 in (1959) |
| September 3 | 91.9°F (1960) | 28.9°F (1974) | 4.07 in (1980) |
| September 4 | 91.0°F (1978) | 33.1°F (1974) | 1.98 in (2014) |
| September 5 | 90.0°F (1960) | 36.0°F (1972) | 1.50 in (2019) |
| September 6 | 93.0°F (1978) | 34.0°F (1988) | 1.77 in (2004) |
| September 7 | 98.1°F (1976) | 35.1°F (1988) | 3.65 in (1964) |
| September 8 | 91.9°F (1976) | 30.9°F (1995) | 1.58 in (1941) |
| September 9 | 91.9°F (1961) | 32.0°F (1995) | 1.40 in (1962) |
| September 10 | 89.1°F (2011) | 32.0°F (2020) | 1.15 in (1951) |
| September 11 | 89.1°F (2011) | 32.0°F (2014) | 1.25 in (2019) |
| September 12 | 87.1°F (1970) | 32.0°F (2014) | 1.55 in (2003) |
| September 13 | 86.0°F (1969) | 30.9°F (1975) | 1.97 in (2005) |
| September 14 | 81.0°F (2009) | 28.9°F (1996) | 2.48 in (1941) |
| September 15 | 82.0°F (2009) | 28.0°F (2011) | 1.65 in (1982) |
| September 16 | 84.9°F (1998) | 28.9°F (2011) | 0.77 in (1983) |
| September 17 | 88.0°F (2018) | 25.0°F (1959) | 1.92 in (1955) |
| September 18 | 84.0°F (1998) | 28.9°F (1959) | 0.94 in (1950) |
| September 19 | 87.1°F (2000) | 27.0°F (1971) | 1.12 in (1945) |
| September 20 | 82.0°F (1985) | 25.0°F (1962) | 1.16 in (1988) |
| September 21 | 82.0°F (2005) | 28.0°F (1982) | 1.83 in (1989) |
| September 22 | 82.9°F (2017) | 19.9°F (1974) | 2.20 in (2017) |
| September 23 | 84.0°F (2017) | 27.0°F (1961) | 1.10 in (2015) |
| September 24 | 82.9°F (2017) | 27.0°F (1976) | 1.40 in (1984) |
| September 25 | 82.0°F (2020) | 23.0°F (1976) | 0.98 in (1973) |
| September 26 | 80.1°F (2015) | 19.0°F (1965) | 1.53 in (1944) |
| September 27 | 81.0°F (2021) | 26.1°F (1967) | 1.12 in (1998) |
| September 28 | 81.0°F (2014) | 21.9°F (1961) | 0.64 in (1969) |
| September 29 | 82.0°F (2014) | 24.1°F (1974) | 0.80 in (1988) |
| September 30 | 84.0°F (1976) | 25.0°F (1960) | 3.00 in (2019) |