September weather in Conesville, IA
The average temperature in Conesville in September is 63.9°F (51.5°F–76.3°F). Average precipitation: 3.75 inches.
September is a fall month in Conesville, and is warmer than the annual average of 48.8°F. Daily temperatures swing about 24.8°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
76.3°F
Avg Low
51.5°F
Precipitation
3.75 in
Daylight
12h 16m
September records in Conesville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (1953) | 39.0°F (1955) | 2.92 in (1931) |
| September 2 | 100.9°F (1960) | 39.0°F (1946) | 1.85 in (1970) |
| September 3 | 99.0°F (1960) | 39.9°F (1952) | 1.70 in (1917) |
| September 4 | 98.1°F (1925) | 35.1°F (1974) | 1.80 in (1980) |
| September 5 | 98.1°F (1925) | 39.9°F (1974) | 1.51 in (1975) |
| September 6 | 99.0°F (1922) | 41.0°F (1962) | 2.25 in (1989) |
| September 7 | 99.0°F (1960) | 37.9°F (1956) | 1.58 in (1965) |
| September 8 | 99.0°F (1960) | 39.0°F (1986) | 1.83 in (1989) |
| September 9 | 100.0°F (1955) | 42.1°F (1924) | 2.15 in (1992) |
| September 10 | 93.9°F (1983) | 39.0°F (1976) | 4.25 in (1915) |
| September 11 | 97.0°F (1936) | 36.0°F (1955) | 2.88 in (1925) |
| September 12 | 95.0°F (1927) | 30.9°F (1955) | 5.00 in (2008) |
| September 13 | 96.1°F (1927) | 33.1°F (1902) | 5.56 in (1961) |
| September 14 | 97.0°F (1939) | 36.0°F (1974) | 2.97 in (1998) |
| September 15 | 97.0°F (1955) | 37.0°F (1904) | 2.25 in (1967) |
| September 16 | 93.0°F (1955) | 37.0°F (1937) | 2.45 in (1921) |
| September 17 | 97.0°F (1927) | 37.9°F (1903) | 1.82 in (1970) |
| September 18 | 96.1°F (1955) | 34.0°F (1929) | 1.82 in (1978) |
| September 19 | 93.0°F (1948) | 32.0°F (1991) | 3.23 in (1983) |
| September 20 | 93.0°F (1931) | 28.0°F (1991) | 2.51 in (1965) |
| September 21 | 91.0°F (1937) | 35.1°F (1943) | 4.65 in (1947) |
| September 22 | 95.0°F (1937) | 28.9°F (1974) | 2.15 in (1968) |
| September 23 | 88.0°F (1937) | 28.9°F (1992) | 2.10 in (1985) |
| September 24 | 90.0°F (1984) | 30.9°F (1942) | 1.33 in (1911) |
| September 25 | 90.0°F (1920) | 28.0°F (1992) | 1.52 in (1993) |
| September 26 | 90.0°F (1953) | 28.0°F (1928) | 2.70 in (1933) |
| September 27 | 91.0°F (1954) | 32.0°F (1942) | 3.75 in (1973) |
| September 28 | 98.1°F (1953) | 23.0°F (1942) | 2.30 in (1923) |
| September 29 | 97.0°F (1953) | 26.1°F (1992) | 1.20 in (1955) |
| September 30 | 91.9°F (1952) | 28.0°F (1924) | 1.95 in (1919) |