September weather in Granton, WI
The average temperature in Granton in September is 59.1°F (47.3°F–70.8°F). Average precipitation: 4.01 inches.
September is a fall month in Granton, and is warmer than the annual average of 43.6°F. Daily temperatures swing about 23.5°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
70.8°F
Avg Low
47.3°F
Precipitation
4.01 in
Daylight
12h 17m
September records in Granton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (1913) | 30.0°F (1909) | 2.40 in (1982) |
| September 2 | 98.1°F (1937) | 32.0°F (1893) | 2.33 in (2002) |
| September 3 | 96.1°F (1929) | 30.0°F (1974) | 1.75 in (2011) |
| September 4 | 96.1°F (2023) | 30.9°F (1974) | 3.00 in (1941) |
| September 5 | 96.1°F (1948) | 34.0°F (1918) | 3.67 in (2018) |
| September 6 | 97.0°F (1922) | 30.0°F (1988) | 1.90 in (1938) |
| September 7 | 93.9°F (1985) | 33.1°F (1956) | 3.43 in (2015) |
| September 8 | 95.0°F (1931) | 30.0°F (1998) | 3.12 in (1964) |
| September 9 | 93.9°F (1906) | 28.0°F (1998) | 1.44 in (1929) |
| September 10 | 96.1°F (1931) | 28.0°F (1917) | 2.51 in (1928) |
| September 11 | 95.0°F (1895) | 26.1°F (1898) | 1.95 in (1900) |
| September 12 | 93.0°F (1908) | 28.0°F (1955) | 3.45 in (1978) |
| September 13 | 93.0°F (1948) | 26.1°F (1902) | 2.11 in (1978) |
| September 14 | 91.0°F (1936) | 27.0°F (1923) | 3.23 in (1928) |
| September 15 | 91.0°F (1939) | 26.1°F (1943) | 2.30 in (1941) |
| September 16 | 93.0°F (1955) | 27.0°F (2007) | 3.03 in (1992) |
| September 17 | 91.9°F (1948) | 28.0°F (1998) | 2.00 in (1942) |
| September 18 | 91.0°F (1948) | 28.0°F (1894) | 1.93 in (1968) |
| September 19 | 91.9°F (1895) | 27.0°F (1929) | 3.10 in (1935) |
| September 20 | 98.1°F (1908) | 24.1°F (1956) | 3.38 in (1983) |
| September 21 | 89.1°F (1908) | 28.0°F (1915) | 2.20 in (1980) |
| September 22 | 90.0°F (1937) | 25.0°F (1915) | 4.13 in (2016) |
| September 23 | 91.9°F (1937) | 21.0°F (1998) | 3.80 in (2010) |
| September 24 | 88.0°F (2017) | 21.0°F (1998) | 2.81 in (2023) |
| September 25 | 89.1°F (1920) | 21.9°F (1942) | 2.13 in (2007) |
| September 26 | 84.0°F (1908) | 19.9°F (1899) | 2.04 in (1972) |
| September 27 | 82.9°F (1943) | 24.1°F (1893) | 2.40 in (1911) |
| September 28 | 86.0°F (1904) | 19.0°F (1893) | 1.25 in (1947) |
| September 29 | 86.0°F (1898) | 21.0°F (1949) | 1.40 in (1893) |
| September 30 | 84.0°F (1897) | 14.0°F (1899) | 2.53 in (1925) |