September weather in Shell Lake, WI
The average temperature in Shell Lake in September is 58.8°F (48.0°F–69.6°F). Average precipitation: 3.61 inches.
September is a fall month in Shell Lake, and is warmer than the annual average of 42.2°F. Daily temperatures swing about 21.6°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
69.6°F
Avg Low
48.0°F
Precipitation
3.61 in
Daylight
12h 18m
September records in Shell Lake
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (1898) | 25.0°F (1974) | 1.87 in (2002) |
| September 2 | 99.0°F (1898) | 25.0°F (1946) | 3.33 in (1957) |
| September 3 | 97.0°F (1929) | 24.1°F (1946) | 2.15 in (1926) |
| September 4 | 93.0°F (1925) | 30.9°F (1918) | 3.18 in (1941) |
| September 5 | 91.0°F (1948) | 30.9°F (1909) | 1.67 in (1925) |
| September 6 | 90.0°F (1925) | 33.1°F (1988) | 1.64 in (2016) |
| September 7 | 95.0°F (1976) | 30.0°F (1956) | 1.38 in (1927) |
| September 8 | 95.0°F (1897) | 32.0°F (1995) | 1.80 in (1985) |
| September 9 | 93.0°F (1947) | 28.9°F (1898) | 2.25 in (1974) |
| September 10 | 98.1°F (1931) | 26.1°F (1917) | 2.20 in (1928) |
| September 11 | 93.9°F (1931) | 28.9°F (1955) | 1.13 in (1913) |
| September 12 | 93.0°F (1948) | 27.0°F (1955) | 2.60 in (1978) |
| September 13 | 90.0°F (1927) | 25.0°F (1963) | 1.91 in (1994) |
| September 14 | 91.9°F (1939) | 25.0°F (1975) | 2.35 in (1941) |
| September 15 | 91.9°F (1939) | 24.1°F (1964) | 2.64 in (1994) |
| September 16 | 93.0°F (1948) | 30.9°F (1937) | 2.61 in (1907) |
| September 17 | 90.0°F (1948) | 25.0°F (1943) | 0.90 in (1926) |
| September 18 | 88.0°F (1908) | 25.0°F (1929) | 1.22 in (1968) |
| September 19 | 91.0°F (1908) | 26.1°F (1929) | 3.88 in (2007) |
| September 20 | 89.1°F (1908) | 24.1°F (1956) | 2.73 in (1988) |
| September 21 | 90.0°F (1908) | 21.9°F (1896) | 1.80 in (2018) |
| September 22 | 89.1°F (1936) | 24.1°F (1974) | 3.15 in (1895) |
| September 23 | 90.0°F (1937) | 25.0°F (1974) | 1.43 in (1968) |
| September 24 | 88.0°F (1935) | 23.0°F (1976) | 1.91 in (2010) |
| September 25 | 87.1°F (1920) | 18.0°F (1947) | 2.35 in (1934) |
| September 26 | 82.9°F (1923) | 19.9°F (1965) | 1.81 in (1930) |
| September 27 | 84.9°F (1937) | 24.1°F (1935) | 1.04 in (1924) |
| September 28 | 90.0°F (1894) | 21.9°F (1942) | 0.80 in (1911) |
| September 29 | 89.1°F (1897) | 19.0°F (1945) | 0.58 in (1965) |
| September 30 | 88.0°F (1897) | 19.0°F (1899) | 1.20 in (2023) |