September weather in Shorewood, WI
The average temperature in Shorewood in September is 63.6°F (53.3°F–73.8°F). Average precipitation: 3.02 inches.
September is a fall month in Shorewood, and is warmer than the annual average of 48.3°F. Daily temperatures swing about 20.5°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 17m. For travel, September is one of the best months of the year to visit.
Avg High
73.8°F
Avg Low
53.3°F
Precipitation
3.02 in
Daylight
12h 17m
September records in Shorewood
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1953) | 42.1°F (1949) | 0.95 in (1981) |
| September 2 | 97.0°F (1953) | 45.0°F (1955) | 0.74 in (2002) |
| September 3 | 95.0°F (2008) | 44.1°F (1952) | 1.04 in (1970) |
| September 4 | 93.9°F (1990) | 41.0°F (1974) | 2.94 in (1988) |
| September 5 | 95.0°F (1999) | 37.9°F (1962) | 1.72 in (1947) |
| September 6 | 97.0°F (1990) | 37.0°F (1950) | 2.05 in (2018) |
| September 7 | 98.1°F (1985) | 37.0°F (1956) | 1.73 in (1965) |
| September 8 | 97.0°F (1994) | 39.0°F (1951) | 2.15 in (1985) |
| September 9 | 95.0°F (1955) | 39.9°F (1949) | 1.71 in (1965) |
| September 10 | 93.0°F (1978) | 43.0°F (2008) | 2.25 in (1986) |
| September 11 | 95.0°F (2005) | 35.1°F (1955) | 2.36 in (1986) |
| September 12 | 93.0°F (2005) | 35.1°F (1955) | 2.31 in (2000) |
| September 13 | 93.0°F (2005) | 34.0°F (1953) | 1.70 in (2006) |
| September 14 | 88.0°F (1971) | 35.1°F (1963) | 2.15 in (1961) |
| September 15 | 91.9°F (1994) | 36.0°F (2007) | 1.31 in (1970) |
| September 16 | 93.0°F (1948) | 37.9°F (2007) | 0.45 in (1980) |
| September 17 | 91.9°F (1948) | 39.9°F (1959) | 1.17 in (1973) |
| September 18 | 91.9°F (1948) | 34.0°F (1959) | 3.08 in (1972) |
| September 19 | 91.0°F (1947) | 36.0°F (2012) | 1.06 in (1960) |
| September 20 | 88.0°F (1947) | 27.0°F (1956) | 1.24 in (1978) |
| September 21 | 91.0°F (2005) | 35.1°F (1962) | 2.49 in (1947) |
| September 22 | 86.0°F (2010) | 32.0°F (1974) | 1.51 in (1988) |
| September 23 | 95.0°F (2017) | 30.0°F (1974) | 1.14 in (2000) |
| September 24 | 93.9°F (2017) | 30.0°F (1950) | 2.31 in (1958) |
| September 25 | 91.9°F (2017) | 30.9°F (1947) | 1.27 in (1984) |
| September 26 | 93.0°F (2017) | 28.9°F (1947) | 1.65 in (2005) |
| September 27 | 90.0°F (2017) | 30.0°F (1947) | 1.13 in (1959) |
| September 28 | 89.1°F (1952) | 28.9°F (1957) | 2.35 in (1999) |
| September 29 | 93.0°F (1953) | 28.0°F (1951) | 1.49 in (1974) |
| September 30 | 90.0°F (1971) | 28.0°F (1947) | 1.30 in (1981) |