September weather in Oconto, WI
The average temperature in Oconto in September is 60.1°F (48.6°F–71.7°F). Average precipitation: 3.48 inches.
September is a fall month in Oconto, and is warmer than the annual average of 44.6°F. Daily temperatures swing about 23.1°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
71.7°F
Avg Low
48.6°F
Precipitation
3.48 in
Daylight
12h 18m
September records in Oconto
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1953) | 35.1°F (1909) | 1.42 in (2000) |
| September 2 | 96.1°F (1898) | 34.0°F (1996) | 1.03 in (1963) |
| September 3 | 93.0°F (1929) | 34.0°F (1946) | 1.80 in (1913) |
| September 4 | 93.0°F (2023) | 36.0°F (1974) | 1.56 in (1912) |
| September 5 | 91.9°F (1933) | 37.9°F (1902) | 2.43 in (2014) |
| September 6 | 91.9°F (1947) | 35.1°F (1988) | 1.28 in (1990) |
| September 7 | 93.0°F (1960) | 30.9°F (1986) | 1.21 in (2015) |
| September 8 | 95.0°F (1931) | 33.1°F (1986) | 1.70 in (2001) |
| September 9 | 96.1°F (1931) | 32.0°F (1944) | 1.72 in (2015) |
| September 10 | 98.1°F (1931) | 30.0°F (1917) | 1.50 in (1938) |
| September 11 | 97.0°F (1895) | 30.0°F (1943) | 2.91 in (1975) |
| September 12 | 91.9°F (1931) | 32.0°F (1955) | 1.47 in (2019) |
| September 13 | 91.9°F (1952) | 30.9°F (1953) | 2.41 in (2019) |
| September 14 | 93.9°F (1939) | 30.0°F (1899) | 2.36 in (2003) |
| September 15 | 93.9°F (1939) | 30.9°F (2007) | 1.69 in (1998) |
| September 16 | 90.0°F (1955) | 30.9°F (1916) | 1.21 in (1983) |
| September 17 | 90.0°F (1955) | 30.0°F (1959) | 1.80 in (1942) |
| September 18 | 93.0°F (1955) | 30.9°F (1893) | 1.50 in (1950) |
| September 19 | 93.0°F (1895) | 30.9°F (2012) | 3.62 in (1942) |
| September 20 | 93.0°F (1895) | 27.0°F (1956) | 2.50 in (1959) |
| September 21 | 88.0°F (1895) | 28.9°F (1904) | 1.35 in (2002) |
| September 22 | 89.1°F (1895) | 25.0°F (1974) | 1.40 in (1898) |
| September 23 | 90.0°F (1937) | 23.0°F (1974) | 2.16 in (2010) |
| September 24 | 90.0°F (2017) | 23.0°F (1976) | 1.75 in (1960) |
| September 25 | 90.0°F (2017) | 25.0°F (1976) | 2.00 in (1984) |
| September 26 | 88.0°F (2017) | 26.1°F (1939) | 1.50 in (1994) |
| September 27 | 82.9°F (1946) | 26.1°F (1918) | 1.00 in (1994) |
| September 28 | 88.0°F (1952) | 25.0°F (1893) | 0.85 in (1947) |
| September 29 | 86.0°F (1898) | 21.9°F (1893) | 1.49 in (1972) |
| September 30 | 88.0°F (1897) | 23.0°F (1899) | 0.93 in (1961) |