September weather in Belle Plaine, MN
The average temperature in Belle Plaine in September is 60.9°F (50.3°F–71.5°F). Average precipitation: 3.20 inches.
September is a fall month in Belle Plaine, and is warmer than the annual average of 44.2°F. Daily temperatures swing about 21.2°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 18m. For travel, September is one of the best months of the year to visit.
Avg High
71.5°F
Avg Low
50.3°F
Precipitation
3.20 in
Daylight
12h 18m
September records in Belle Plaine
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (1953) | 32.0°F (1974) | 3.47 in (1942) |
| September 2 | 91.9°F (1961) | 37.9°F (1981) | 3.60 in (2006) |
| September 3 | 90.0°F (1960) | 28.9°F (1974) | 1.59 in (1985) |
| September 4 | 93.9°F (2023) | 34.0°F (1974) | 1.53 in (1949) |
| September 5 | 93.9°F (2023) | 33.1°F (1988) | 1.88 in (1943) |
| September 6 | 91.9°F (1960) | 21.0°F (2000) | 0.93 in (2016) |
| September 7 | 95.0°F (1976) | 34.0°F (1956) | 1.72 in (2007) |
| September 8 | 93.0°F (1978) | 35.1°F (1986) | 1.38 in (1960) |
| September 9 | 90.0°F (1978) | 34.0°F (1988) | 1.60 in (1951) |
| September 10 | 91.9°F (2013) | 34.0°F (1989) | 1.04 in (1986) |
| September 11 | 91.9°F (1978) | 35.1°F (1955) | 1.58 in (1947) |
| September 12 | 93.9°F (2012) | 32.0°F (1955) | 2.35 in (2003) |
| September 13 | 91.0°F (1998) | 30.0°F (1975) | 1.04 in (2019) |
| September 14 | 87.1°F (1994) | 33.1°F (1996) | 2.42 in (1991) |
| September 15 | 89.1°F (2025) | 28.9°F (2007) | 6.04 in (1992) |
| September 16 | 91.9°F (1955) | 30.0°F (1976) | 1.10 in (1997) |
| September 17 | 91.0°F (1988) | 28.9°F (1980) | 0.65 in (1968) |
| September 18 | 91.9°F (1955) | 30.0°F (1999) | 2.00 in (1942) |
| September 19 | 91.9°F (1984) | 32.0°F (1971) | 1.33 in (2007) |
| September 20 | 90.0°F (1984) | 19.0°F (2000) | 1.14 in (2025) |
| September 21 | 91.9°F (2022) | 28.0°F (1982) | 2.56 in (2018) |
| September 22 | 82.0°F (2017) | 21.9°F (1974) | 0.74 in (1971) |
| September 23 | 91.0°F (2017) | 5.0°F (2000) | 2.35 in (2010) |
| September 24 | 88.0°F (2017) | 24.1°F (1976) | 1.96 in (2023) |
| September 25 | 89.1°F (2017) | 28.0°F (1947) | 0.87 in (1973) |
| September 26 | 87.1°F (1974) | 14.0°F (2000) | 1.44 in (1973) |
| September 27 | 86.0°F (1983) | 25.0°F (2000) | 0.54 in (1947) |
| September 28 | 84.9°F (1956) | 21.9°F (1976) | 0.65 in (1965) |
| September 29 | 84.0°F (2000) | 21.9°F (1945) | 0.87 in (1995) |
| September 30 | 87.1°F (2025) | 25.0°F (1972) | 0.53 in (1985) |