September weather in Browntown, WI
The average temperature in Browntown in September is 62.3°F (52.0°F–72.7°F). Average precipitation: 4.15 inches.
September is a fall month in Browntown, and is warmer than the annual average of 47.3°F. Daily temperatures swing about 20.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
72.7°F
Avg Low
52.0°F
Precipitation
4.15 in
Daylight
12h 16m
September records in Browntown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.9°F (2012) | 44.1°F (2009) | 3.73 in (1989) |
| September 2 | 91.9°F (2011) | 44.1°F (2003) | 1.30 in (1961) |
| September 3 | 91.0°F (2011) | 44.1°F (2013) | 2.20 in (1970) |
| September 4 | 91.9°F (2012) | 42.1°F (2025) | 1.84 in (2018) |
| September 5 | 95.0°F (2012) | 43.0°F (2025) | 1.72 in (1965) |
| September 6 | 88.0°F (2005) | 43.0°F (2011) | 1.40 in (2018) |
| September 7 | 91.9°F (2005) | 41.0°F (2025) | 0.88 in (1980) |
| September 8 | 90.0°F (2002) | 41.0°F (2024) | 2.95 in (2001) |
| September 9 | 89.1°F (2002) | 41.0°F (2024) | 1.36 in (1962) |
| September 10 | 93.0°F (2005) | 42.1°F (2008) | 3.95 in (1986) |
| September 11 | 93.0°F (2013) | 43.0°F (2008) | 1.35 in (1972) |
| September 12 | 90.0°F (2005) | 39.9°F (2007) | 2.48 in (2000) |
| September 13 | 89.1°F (2005) | 35.1°F (2014) | 3.17 in (1961) |
| September 14 | 84.9°F (2004) | 36.0°F (2014) | 2.97 in (1961) |
| September 15 | 87.1°F (2018) | 32.0°F (2007) | 1.80 in (1998) |
| September 16 | 87.1°F (2017) | 34.0°F (2007) | 1.47 in (2010) |
| September 17 | 87.1°F (2017) | 36.0°F (2014) | 1.62 in (1992) |
| September 18 | 90.0°F (2018) | 42.1°F (2012) | 1.96 in (1978) |
| September 19 | 86.0°F (2025) | 34.0°F (2012) | 1.35 in (2002) |
| September 20 | 89.1°F (2021) | 37.9°F (2006) | 2.56 in (2018) |
| September 21 | 90.0°F (2017) | 37.9°F (2006) | 2.31 in (1965) |
| September 22 | 88.0°F (2024) | 37.0°F (2014) | 1.23 in (1962) |
| September 23 | 91.0°F (2017) | 32.0°F (2012) | 1.55 in (2009) |
| September 24 | 93.9°F (2017) | 30.9°F (2012) | 2.49 in (1970) |
| September 25 | 89.1°F (2017) | 35.1°F (2001) | 2.92 in (1994) |
| September 26 | 90.0°F (2017) | 37.9°F (2006) | 1.99 in (1993) |
| September 27 | 84.9°F (2025) | 35.1°F (2012) | 2.32 in (1959) |
| September 28 | 88.0°F (2021) | 35.1°F (2012) | 1.34 in (1999) |
| September 29 | 82.9°F (2002) | 34.0°F (2003) | 1.50 in (1986) |
| September 30 | 87.1°F (2025) | 28.9°F (2003) | 0.74 in (1961) |