September weather in Windom, MN
The average temperature in Windom in September is 63.5°F (52.0°F–75.0°F). Average precipitation: 3.20 inches.
September is a fall month in Windom, and is warmer than the annual average of 46.8°F. Daily temperatures swing about 23°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 17m. For travel, September is one of the best months of the year to visit.
Avg High
75.0°F
Avg Low
52.0°F
Precipitation
3.20 in
Daylight
12h 17m
September records in Windom
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (1913) | 34.0°F (1949) | 4.15 in (1942) |
| September 2 | 93.0°F (2011) | 36.0°F (1908) | 2.52 in (1966) |
| September 3 | 97.0°F (2023) | 30.0°F (1974) | 1.30 in (2021) |
| September 4 | 97.0°F (1913) | 33.1°F (1914) | 1.40 in (1947) |
| September 5 | 99.0°F (1913) | 34.0°F (1909) | 2.20 in (1938) |
| September 6 | 100.0°F (1976) | 35.1°F (1956) | 0.73 in (2007) |
| September 7 | 99.0°F (1978) | 34.0°F (1956) | 1.48 in (1917) |
| September 8 | 96.1°F (1947) | 37.9°F (1986) | 4.22 in (1938) |
| September 9 | 93.9°F (1947) | 34.0°F (1910) | 2.31 in (1946) |
| September 10 | 97.0°F (1906) | 34.0°F (1948) | 1.44 in (1964) |
| September 11 | 95.0°F (1948) | 33.1°F (1955) | 1.60 in (1966) |
| September 12 | 96.1°F (1948) | 33.1°F (1940) | 2.14 in (2019) |
| September 13 | 97.0°F (1939) | 30.9°F (2014) | 1.06 in (1914) |
| September 14 | 97.0°F (1939) | 32.0°F (1949) | 1.46 in (1966) |
| September 15 | 97.0°F (1955) | 28.0°F (1916) | 1.66 in (2004) |
| September 16 | 95.0°F (1955) | 23.0°F (1937) | 1.21 in (1906) |
| September 17 | 97.0°F (1955) | 25.0°F (1916) | 1.49 in (1942) |
| September 18 | 93.0°F (1955) | 28.0°F (1918) | 1.81 in (1968) |
| September 19 | 96.1°F (1948) | 28.0°F (1991) | 2.12 in (1986) |
| September 20 | 91.0°F (1908) | 23.0°F (1918) | 1.70 in (1964) |
| September 21 | 98.1°F (2022) | 30.0°F (1918) | 1.92 in (1950) |
| September 22 | 91.0°F (1937) | 18.0°F (1913) | 1.28 in (1959) |
| September 23 | 90.0°F (2017) | 26.1°F (2012) | 8.84 in (2010) |
| September 24 | 88.0°F (1938) | 28.0°F (1942) | 4.23 in (2005) |
| September 25 | 89.1°F (1956) | 28.9°F (1942) | 1.63 in (2005) |
| September 26 | 91.0°F (1956) | 21.9°F (1984) | 1.57 in (1908) |
| September 27 | 93.9°F (1956) | 24.1°F (1984) | 0.75 in (1965) |
| September 28 | 89.1°F (1956) | 21.0°F (1942) | 1.26 in (1968) |
| September 29 | 87.1°F (2021) | 21.9°F (1916) | 2.52 in (1973) |
| September 30 | 90.0°F (2025) | 25.0°F (1956) | 3.75 in (1965) |