September weather in Ellsworth, WI
The average temperature in Ellsworth in September is 58.9°F (47.3°F–70.6°F). Average precipitation: 3.87 inches.
September is a fall month in Ellsworth, and is warmer than the annual average of 42.3°F. Daily temperatures swing about 23.3°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
70.6°F
Avg Low
47.3°F
Precipitation
3.87 in
Daylight
12h 18m
September records in Ellsworth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.0°F (1953) | 35.1°F (1909) | 1.39 in (1982) |
| September 2 | 91.9°F (1960) | 33.1°F (1909) | 2.17 in (1966) |
| September 3 | 91.9°F (1960) | 37.0°F (1974) | 1.24 in (1985) |
| September 4 | 96.1°F (2023) | 37.9°F (1982) | 1.25 in (1968) |
| September 5 | 95.0°F (2023) | 34.0°F (1984) | 3.04 in (2018) |
| September 6 | 95.0°F (2023) | 36.0°F (1984) | 2.13 in (1970) |
| September 7 | 93.9°F (1976) | 36.0°F (1986) | 1.27 in (2016) |
| September 8 | 91.9°F (1908) | 37.0°F (1995) | 2.83 in (1991) |
| September 9 | 91.9°F (1947) | 37.0°F (1987) | 1.88 in (1946) |
| September 10 | 90.0°F (2013) | 34.0°F (2020) | 1.71 in (1986) |
| September 11 | 88.0°F (1948) | 34.0°F (1992) | 2.45 in (2000) |
| September 12 | 93.9°F (1908) | 33.1°F (1955) | 1.90 in (1951) |
| September 13 | 90.0°F (1998) | 27.0°F (1985) | 2.00 in (1908) |
| September 14 | 88.0°F (1998) | 32.0°F (2014) | 2.55 in (1994) |
| September 15 | 91.0°F (1948) | 28.9°F (2007) | 2.75 in (2004) |
| September 16 | 91.9°F (1955) | 28.0°F (1984) | 7.10 in (1992) |
| September 17 | 91.9°F (1955) | 28.9°F (1984) | 0.82 in (2006) |
| September 18 | 88.0°F (1948) | 34.0°F (1981) | 1.37 in (1965) |
| September 19 | 89.1°F (1947) | 34.0°F (1991) | 1.53 in (2003) |
| September 20 | 88.0°F (1984) | 27.0°F (1991) | 1.97 in (1988) |
| September 21 | 87.1°F (2022) | 30.0°F (1982) | 2.77 in (1986) |
| September 22 | 87.1°F (2005) | 28.9°F (1974) | 1.62 in (2005) |
| September 23 | 90.0°F (2017) | 27.0°F (1983) | 3.37 in (2010) |
| September 24 | 86.0°F (2017) | 26.1°F (1985) | 1.52 in (2023) |
| September 25 | 87.1°F (2017) | 21.9°F (1985) | 2.10 in (2005) |
| September 26 | 87.1°F (2017) | 21.9°F (1984) | 1.40 in (1973) |
| September 27 | 86.0°F (1986) | 21.9°F (1985) | 0.69 in (1961) |
| September 28 | 82.9°F (1983) | 27.0°F (1961) | 1.11 in (1947) |
| September 29 | 86.0°F (2024) | 25.0°F (1945) | 0.84 in (1982) |
| September 30 | 84.9°F (2025) | 25.0°F (1984) | 1.20 in (2023) |