September weather in Readstown, WI
The average temperature in Readstown in September is 59.3°F (48.3°F–70.2°F). Average precipitation: 3.94 inches.
September is a fall month in Readstown, and is warmer than the annual average of 43.7°F. Daily temperatures swing about 21.9°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
70.2°F
Avg Low
48.3°F
Precipitation
3.94 in
Daylight
12h 17m
September records in Readstown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (1937) | 35.1°F (1909) | 2.27 in (1969) |
| September 2 | 96.1°F (1937) | 39.9°F (1967) | 2.02 in (1942) |
| September 3 | 98.1°F (1937) | 34.0°F (1974) | 1.70 in (1934) |
| September 4 | 97.0°F (1937) | 35.1°F (1974) | 2.91 in (1921) |
| September 5 | 93.9°F (2023) | 36.0°F (1962) | 2.28 in (1985) |
| September 6 | 98.1°F (1922) | 36.0°F (1962) | 4.00 in (1946) |
| September 7 | 95.0°F (1922) | 28.0°F (1986) | 4.04 in (2016) |
| September 8 | 99.0°F (1939) | 30.0°F (1902) | 2.33 in (1941) |
| September 9 | 95.0°F (1931) | 34.0°F (1995) | 1.79 in (1965) |
| September 10 | 97.0°F (1955) | 32.0°F (1917) | 2.10 in (1938) |
| September 11 | 98.1°F (1931) | 32.0°F (1917) | 2.18 in (1986) |
| September 12 | 95.0°F (1931) | 30.9°F (1902) | 1.75 in (2006) |
| September 13 | 93.0°F (1939) | 28.0°F (1923) | 1.87 in (2019) |
| September 14 | 96.1°F (1939) | 28.0°F (1923) | 2.13 in (1928) |
| September 15 | 97.0°F (1939) | 30.9°F (1966) | 2.67 in (1921) |
| September 16 | 98.1°F (1939) | 28.9°F (1984) | 2.78 in (1992) |
| September 17 | 93.9°F (1939) | 32.0°F (1916) | 0.95 in (1907) |
| September 18 | 91.0°F (1946) | 28.9°F (1929) | 2.78 in (1907) |
| September 19 | 93.0°F (1895) | 30.9°F (1929) | 2.35 in (2019) |
| September 20 | 95.0°F (1948) | 27.0°F (1962) | 2.32 in (1923) |
| September 21 | 90.0°F (1908) | 27.0°F (1982) | 1.24 in (1950) |
| September 22 | 93.0°F (1937) | 19.9°F (1995) | 5.71 in (2016) |
| September 23 | 93.9°F (1937) | 25.0°F (1983) | 2.36 in (1946) |
| September 24 | 89.1°F (1937) | 26.1°F (1976) | 2.04 in (1910) |
| September 25 | 86.0°F (2017) | 27.0°F (1942) | 2.18 in (1972) |
| September 26 | 87.1°F (2017) | 24.1°F (1984) | 2.20 in (2017) |
| September 27 | 82.9°F (1929) | 25.0°F (1991) | 2.77 in (1908) |
| September 28 | 86.0°F (1904) | 25.0°F (1942) | 1.15 in (1965) |
| September 29 | 84.9°F (1897) | 21.9°F (1984) | 1.82 in (1919) |
| September 30 | 84.9°F (1897) | 21.0°F (1899) | 2.16 in (1961) |