September weather in St. Marys Point, MN
The average temperature in St. Marys Point in September is 60.2°F (49.0°F–71.4°F). Average precipitation: 3.56 inches.
September is a fall month in St. Marys Point, and is warmer than the annual average of 43.4°F. Daily temperatures swing about 22.4°F between overnight low and afternoon high. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
71.4°F
Avg Low
49.0°F
Precipitation
3.56 in
Daylight
12h 18m
September records in St. Marys Point
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (1930) | 34.0°F (1974) | 4.30 in (1942) |
| September 2 | 95.0°F (1937) | 37.0°F (1924) | 2.07 in (1966) |
| September 3 | 98.1°F (1925) | 30.9°F (1974) | 2.85 in (1923) |
| September 4 | 99.0°F (1925) | 35.1°F (1918) | 1.64 in (1947) |
| September 5 | 100.0°F (1925) | 36.0°F (1924) | 3.92 in (1933) |
| September 6 | 97.0°F (1922) | 37.0°F (1932) | 1.93 in (2002) |
| September 7 | 100.0°F (1922) | 34.0°F (1956) | 1.79 in (1927) |
| September 8 | 93.0°F (1976) | 35.1°F (1995) | 2.90 in (1960) |
| September 9 | 98.1°F (1931) | 32.0°F (1924) | 1.37 in (1997) |
| September 10 | 91.0°F (2013) | 33.1°F (1918) | 1.40 in (1986) |
| September 11 | 102.9°F (1931) | 30.0°F (1955) | 1.65 in (1939) |
| September 12 | 96.1°F (1931) | 30.9°F (1955) | 2.55 in (1978) |
| September 13 | 93.0°F (1931) | 28.9°F (1923) | 2.29 in (1994) |
| September 14 | 93.0°F (1939) | 28.0°F (1923) | 1.64 in (1991) |
| September 15 | 93.0°F (1939) | 28.0°F (2007) | 2.19 in (2004) |
| September 16 | 95.0°F (1955) | 28.0°F (2007) | 2.08 in (1992) |
| September 17 | 91.9°F (1955) | 30.9°F (1943) | 2.39 in (1997) |
| September 18 | 89.1°F (1935) | 23.0°F (1929) | 2.37 in (1926) |
| September 19 | 91.9°F (1940) | 26.1°F (1929) | 1.53 in (2003) |
| September 20 | 91.9°F (1998) | 28.9°F (1991) | 1.85 in (1988) |
| September 21 | 91.0°F (1919) | 27.0°F (1918) | 2.36 in (1986) |
| September 22 | 90.0°F (1920) | 23.0°F (1974) | 2.88 in (2025) |
| September 23 | 91.0°F (1937) | 27.0°F (2012) | 3.42 in (1968) |
| September 24 | 87.1°F (2017) | 27.0°F (2012) | 1.93 in (2010) |
| September 25 | 88.0°F (1935) | 24.1°F (1926) | 2.34 in (2005) |
| September 26 | 91.9°F (1920) | 25.0°F (1926) | 2.22 in (1934) |
| September 27 | 86.0°F (1923) | 27.0°F (1942) | 1.68 in (1929) |
| September 28 | 84.9°F (1952) | 21.9°F (1942) | 0.65 in (1965) |
| September 29 | 84.0°F (2024) | 25.0°F (1945) | 0.71 in (1986) |
| September 30 | 89.1°F (1922) | 25.0°F (1939) | 2.09 in (1925) |