September weather in Brooklyn, WI
The average temperature in Brooklyn in September is 62.1°F (50.0°F–74.2°F). Average precipitation: 3.54 inches.
September is a fall month in Brooklyn, and is warmer than the annual average of 46.6°F. Daily temperatures swing about 24.2°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
74.2°F
Avg Low
50.0°F
Precipitation
3.54 in
Daylight
12h 16m
September records in Brooklyn
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (1953) | 39.0°F (1987) | 5.05 in (1981) |
| September 2 | 97.0°F (1953) | 37.0°F (1976) | 1.40 in (1961) |
| September 3 | 91.9°F (1960) | 37.9°F (1987) | 1.06 in (1970) |
| September 4 | 93.0°F (2023) | 39.9°F (1974) | 2.27 in (1947) |
| September 5 | 93.0°F (2012) | 39.9°F (1988) | 1.40 in (1965) |
| September 6 | 93.9°F (1954) | 30.9°F (1988) | 2.06 in (1938) |
| September 7 | 93.0°F (1990) | 34.0°F (1988) | 2.31 in (1938) |
| September 8 | 95.0°F (1985) | 36.0°F (1986) | 2.06 in (2001) |
| September 9 | 98.1°F (1978) | 39.0°F (1986) | 1.21 in (1985) |
| September 10 | 93.0°F (2013) | 39.9°F (1967) | 1.50 in (1986) |
| September 11 | 93.9°F (2013) | 35.1°F (1993) | 1.18 in (1986) |
| September 12 | 91.9°F (2005) | 35.1°F (1955) | 4.37 in (2022) |
| September 13 | 89.1°F (1984) | 35.1°F (1964) | 4.31 in (1961) |
| September 14 | 89.1°F (1998) | 33.1°F (1988) | 2.89 in (1961) |
| September 15 | 90.0°F (1994) | 32.0°F (2007) | 1.70 in (1998) |
| September 16 | 89.1°F (1955) | 28.0°F (1984) | 1.45 in (1991) |
| September 17 | 91.0°F (1955) | 33.1°F (1984) | 2.40 in (1992) |
| September 18 | 91.9°F (1955) | 35.1°F (1959) | 2.70 in (1978) |
| September 19 | 86.0°F (2000) | 34.0°F (1991) | 2.91 in (1960) |
| September 20 | 88.0°F (2013) | 26.1°F (1991) | 1.94 in (1965) |
| September 21 | 90.0°F (2017) | 28.0°F (1991) | 2.20 in (1965) |
| September 22 | 90.0°F (2024) | 27.0°F (1976) | 2.24 in (2024) |
| September 23 | 91.9°F (2017) | 27.0°F (1989) | 1.76 in (2009) |
| September 24 | 91.9°F (2017) | 19.0°F (1989) | 1.42 in (1958) |
| September 25 | 90.0°F (2017) | 30.0°F (1985) | 1.73 in (1984) |
| September 26 | 91.0°F (2017) | 30.9°F (1984) | 1.96 in (1993) |
| September 27 | 88.0°F (1998) | 21.9°F (1991) | 2.18 in (1959) |
| September 28 | 87.1°F (1971) | 25.0°F (1991) | 0.97 in (1999) |
| September 29 | 84.0°F (1953) | 25.0°F (1991) | 1.53 in (1986) |
| September 30 | 88.0°F (1971) | 26.1°F (1993) | 1.04 in (1954) |