September weather in Freeborn, MN
The average temperature in Freeborn in September is 62.4°F (51.3°F–73.5°F). Average precipitation: 3.72 inches.
September is a fall month in Freeborn, and is warmer than the annual average of 45.5°F. Daily temperatures swing about 22.2°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
73.5°F
Avg Low
51.3°F
Precipitation
3.72 in
Daylight
12h 17m
September records in Freeborn
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 87.1°F (2010) | 46.9°F (1994) | 2.24 in (1970) |
| September 2 | 91.0°F (2011) | 43.0°F (1998) | 1.32 in (1994) |
| September 3 | 95.0°F (2023) | 44.1°F (1997) | 1.09 in (2021) |
| September 4 | 97.0°F (2023) | 37.9°F (2025) | 1.67 in (1943) |
| September 5 | 96.1°F (2023) | 41.0°F (2010) | 2.10 in (2018) |
| September 6 | 89.1°F (2007) | 39.0°F (2025) | 0.83 in (1946) |
| September 7 | 91.0°F (1998) | 35.1°F (1995) | 0.78 in (1996) |
| September 8 | 91.9°F (2002) | 36.0°F (1995) | 3.80 in (1964) |
| September 9 | 91.9°F (2002) | 39.0°F (2008) | 2.04 in (1951) |
| September 10 | 93.9°F (2013) | 39.0°F (2008) | 0.93 in (1964) |
| September 11 | 88.0°F (2000) | 42.1°F (1996) | 1.47 in (2019) |
| September 12 | 93.9°F (2012) | 36.0°F (2007) | 2.52 in (1947) |
| September 13 | 93.0°F (1998) | 34.0°F (1996) | 1.31 in (1982) |
| September 14 | 91.9°F (1998) | 34.0°F (1996) | 1.73 in (2004) |
| September 15 | 90.0°F (2025) | 30.0°F (2011) | 6.73 in (2004) |
| September 16 | 91.0°F (2018) | 36.0°F (2011) | 1.97 in (2016) |
| September 17 | 88.0°F (2018) | 39.0°F (2014) | 2.05 in (1968) |
| September 18 | 90.0°F (2007) | 35.1°F (2012) | 2.52 in (1942) |
| September 19 | 90.0°F (1998) | 35.1°F (1995) | 0.90 in (2007) |
| September 20 | 93.9°F (1998) | 30.9°F (2006) | 2.21 in (1983) |
| September 21 | 91.9°F (2022) | 28.9°F (1999) | 2.77 in (1980) |
| September 22 | 91.0°F (2005) | 30.0°F (1995) | 5.15 in (2016) |
| September 23 | 91.0°F (2017) | 28.0°F (2012) | 6.00 in (2010) |
| September 24 | 88.0°F (2017) | 28.9°F (2001) | 1.50 in (2010) |
| September 25 | 90.0°F (2017) | 28.0°F (2000) | 7.63 in (2005) |
| September 26 | 87.1°F (2020) | 28.0°F (2000) | 2.10 in (1973) |
| September 27 | 87.1°F (2021) | 33.1°F (1993) | 0.50 in (1965) |
| September 28 | 84.9°F (2013) | 30.9°F (2022) | 1.02 in (1965) |
| September 29 | 82.9°F (2021) | 27.0°F (1999) | 1.30 in (1973) |
| September 30 | 87.1°F (2025) | 27.0°F (1999) | 4.14 in (2007) |