September weather in Beaver Dam, WI
The average temperature in Beaver Dam in September is 60.6°F (49.6°F–71.6°F). Average precipitation: 3.26 inches.
September is a fall month in Beaver Dam, and is warmer than the annual average of 44.9°F. Daily temperatures swing about 22°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
71.6°F
Avg Low
49.6°F
Precipitation
3.26 in
Daylight
12h 17m
September records in Beaver Dam
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (1953) | 39.9°F (1955) | 1.16 in (1989) |
| September 2 | 97.0°F (1953) | 39.9°F (1955) | 1.28 in (2020) |
| September 3 | 93.9°F (1953) | 44.1°F (1955) | 1.70 in (1970) |
| September 4 | 93.0°F (2023) | 37.0°F (1974) | 1.69 in (1964) |
| September 5 | 91.0°F (1999) | 39.0°F (1957) | 1.20 in (1956) |
| September 6 | 91.9°F (1954) | 33.1°F (1962) | 1.70 in (1970) |
| September 7 | 93.9°F (1978) | 36.0°F (1956) | 2.94 in (2016) |
| September 8 | 96.1°F (1978) | 39.0°F (1986) | 1.19 in (2016) |
| September 9 | 97.0°F (1955) | 37.0°F (1975) | 1.50 in (1965) |
| September 10 | 91.9°F (1978) | 39.9°F (1967) | 2.50 in (1965) |
| September 11 | 91.9°F (2013) | 33.1°F (1955) | 3.63 in (1986) |
| September 12 | 90.0°F (2005) | 34.0°F (1955) | 2.35 in (2022) |
| September 13 | 89.1°F (2005) | 33.1°F (1953) | 2.58 in (1961) |
| September 14 | 90.0°F (1998) | 34.0°F (1963) | 1.44 in (1993) |
| September 15 | 87.1°F (2024) | 36.0°F (1963) | 1.76 in (1894) |
| September 16 | 91.9°F (1955) | 34.0°F (1966) | 1.55 in (1992) |
| September 17 | 91.0°F (1955) | 37.0°F (1957) | 2.11 in (1987) |
| September 18 | 93.0°F (1955) | 33.1°F (1956) | 2.95 in (1978) |
| September 19 | 87.1°F (1978) | 28.9°F (2014) | 1.24 in (1960) |
| September 20 | 87.1°F (2021) | 32.0°F (1962) | 2.00 in (2013) |
| September 21 | 87.1°F (2005) | 30.0°F (1962) | 2.05 in (2017) |
| September 22 | 86.0°F (2024) | 32.0°F (1976) | 4.41 in (1986) |
| September 23 | 87.1°F (2017) | 26.1°F (1974) | 3.07 in (2009) |
| September 24 | 88.0°F (2017) | 26.1°F (1976) | 1.10 in (1970) |
| September 25 | 87.1°F (2017) | 33.1°F (1976) | 1.34 in (1984) |
| September 26 | 87.1°F (2017) | 32.0°F (1966) | 1.40 in (2023) |
| September 27 | 84.9°F (1998) | 28.9°F (1991) | 1.34 in (1999) |
| September 28 | 86.0°F (1971) | 28.9°F (1957) | 1.03 in (1965) |
| September 29 | 91.9°F (1953) | 28.0°F (1961) | 1.53 in (1986) |
| September 30 | 86.0°F (1971) | 28.0°F (1993) | 2.71 in (1893) |