September weather in Morton, MN
The average temperature in Morton in September is 62.3°F (50.2°F–74.3°F). Average precipitation: 2.85 inches.
September is a fall month in Morton, and is warmer than the annual average of 45.4°F. Daily temperatures swing about 24.1°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 17m. For travel, September is one of the best months of the year to visit.
Avg High
74.3°F
Avg Low
50.2°F
Precipitation
2.85 in
Daylight
12h 17m
September records in Morton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.9°F (1925) | 37.9°F (1909) | 1.71 in (1970) |
| September 2 | 98.1°F (1983) | 39.9°F (1974) | 1.23 in (2010) |
| September 3 | 98.1°F (2023) | 35.1°F (1974) | 0.98 in (1986) |
| September 4 | 100.0°F (1925) | 37.0°F (1918) | 1.30 in (1989) |
| September 5 | 97.0°F (1978) | 35.1°F (1962) | 1.18 in (2016) |
| September 6 | 100.9°F (1976) | 36.0°F (1956) | 1.75 in (1925) |
| September 7 | 102.9°F (1978) | 35.1°F (1956) | 3.13 in (1991) |
| September 8 | 104.0°F (1931) | 37.9°F (1992) | 1.60 in (1985) |
| September 9 | 100.9°F (1931) | 33.1°F (1910) | 2.05 in (1946) |
| September 10 | 105.1°F (1931) | 34.0°F (1917) | 3.27 in (1933) |
| September 11 | 99.0°F (1978) | 33.1°F (1955) | 1.33 in (2019) |
| September 12 | 97.0°F (1998) | 33.1°F (2007) | 3.65 in (2005) |
| September 13 | 100.0°F (1939) | 35.1°F (1953) | 1.61 in (1914) |
| September 14 | 102.9°F (1939) | 33.1°F (1956) | 2.30 in (1914) |
| September 15 | 97.0°F (1955) | 28.0°F (2007) | 2.32 in (2010) |
| September 16 | 93.9°F (1948) | 34.0°F (1934) | 2.28 in (1986) |
| September 17 | 97.0°F (1955) | 30.9°F (1916) | 1.30 in (1942) |
| September 18 | 93.9°F (1998) | 28.0°F (1929) | 1.50 in (1945) |
| September 19 | 95.0°F (1984) | 32.0°F (1991) | 2.00 in (1976) |
| September 20 | 97.0°F (2022) | 28.0°F (1918) | 1.78 in (2018) |
| September 21 | 97.0°F (1937) | 30.0°F (2000) | 2.08 in (2018) |
| September 22 | 98.1°F (1936) | 27.0°F (1974) | 1.32 in (2010) |
| September 23 | 93.0°F (1935) | 28.9°F (1983) | 2.32 in (2010) |
| September 24 | 91.9°F (1935) | 27.0°F (1942) | 1.27 in (2016) |
| September 25 | 91.0°F (1990) | 27.0°F (1926) | 1.45 in (2009) |
| September 26 | 93.0°F (1974) | 25.0°F (1939) | 1.50 in (1929) |
| September 27 | 95.0°F (1956) | 28.0°F (1935) | 0.45 in (1965) |
| September 28 | 89.1°F (2024) | 26.1°F (1961) | 0.65 in (1988) |
| September 29 | 91.9°F (2025) | 25.0°F (1945) | 1.57 in (1965) |
| September 30 | 90.0°F (1976) | 25.0°F (1939) | 0.98 in (1977) |