September weather in Mauston, WI
The average temperature in Mauston in September is 61.0°F (49.7°F–72.4°F). Average precipitation: 3.75 inches.
September is a fall month in Mauston, and is warmer than the annual average of 45.8°F. Daily temperatures swing about 22.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
72.4°F
Avg Low
49.7°F
Precipitation
3.75 in
Daylight
12h 17m
September records in Mauston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (1953) | 32.0°F (1909) | 1.46 in (2010) |
| September 2 | 95.0°F (1953) | 37.9°F (1909) | 2.30 in (1912) |
| September 3 | 91.9°F (1960) | 32.0°F (1974) | 1.83 in (2011) |
| September 4 | 96.1°F (2023) | 30.9°F (1974) | 5.70 in (2018) |
| September 5 | 93.0°F (2023) | 33.1°F (1974) | 1.50 in (2018) |
| September 6 | 91.9°F (1960) | 34.0°F (1962) | 1.73 in (1985) |
| September 7 | 93.0°F (1960) | 35.1°F (1986) | 2.02 in (2016) |
| September 8 | 97.0°F (1978) | 39.0°F (2025) | 1.85 in (2015) |
| September 9 | 99.0°F (1955) | 32.0°F (1975) | 1.75 in (1929) |
| September 10 | 95.0°F (1955) | 28.0°F (1917) | 2.00 in (1938) |
| September 11 | 93.0°F (2013) | 30.9°F (1917) | 3.83 in (1986) |
| September 12 | 91.9°F (1908) | 30.9°F (1955) | 2.84 in (1947) |
| September 13 | 89.1°F (1998) | 28.0°F (1975) | 2.20 in (1972) |
| September 14 | 91.0°F (1998) | 32.0°F (1963) | 3.60 in (1994) |
| September 15 | 84.9°F (2009) | 30.9°F (1964) | 1.92 in (1967) |
| September 16 | 91.9°F (1955) | 30.9°F (1959) | 2.93 in (1992) |
| September 17 | 93.9°F (1955) | 30.9°F (1959) | 1.12 in (1992) |
| September 18 | 93.9°F (1955) | 28.9°F (1959) | 1.87 in (1906) |
| September 19 | 90.0°F (1908) | 32.0°F (2012) | 1.95 in (1957) |
| September 20 | 93.0°F (1908) | 27.0°F (1962) | 2.00 in (1932) |
| September 21 | 90.0°F (1908) | 28.0°F (1913) | 0.95 in (1981) |
| September 22 | 90.0°F (1908) | 19.9°F (1974) | 2.67 in (2016) |
| September 23 | 91.0°F (2017) | 19.9°F (1974) | 1.78 in (2010) |
| September 24 | 91.0°F (2017) | 21.9°F (1976) | 1.90 in (1910) |
| September 25 | 90.0°F (2017) | 26.1°F (1975) | 2.05 in (1972) |
| September 26 | 90.0°F (2017) | 25.0°F (1966) | 1.53 in (2023) |
| September 27 | 82.9°F (1987) | 27.0°F (1975) | 1.39 in (1959) |
| September 28 | 82.9°F (1905) | 23.0°F (1976) | 2.85 in (1965) |
| September 29 | 86.0°F (1953) | 23.0°F (1967) | 0.81 in (2015) |
| September 30 | 84.9°F (2025) | 27.0°F (1967) | 2.05 in (1961) |