September weather in Adel, IA
The average temperature in Adel in September is 63.1°F (50.6°F–75.6°F). Average precipitation: 3.60 inches.
September is a fall month in Adel, and is warmer than the annual average of 48.1°F. Daily temperatures swing about 25°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
75.6°F
Avg Low
50.6°F
Precipitation
3.60 in
Daylight
12h 16m
September records in Adel
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 99.0°F (1931) | 35.1°F (1967) | 1.57 in (1935) |
| September 2 | 98.1°F (1901) | 37.9°F (1974) | 1.30 in (1912) |
| September 3 | 102.9°F (1939) | 37.0°F (1974) | 2.36 in (1941) |
| September 4 | 100.0°F (1925) | 36.0°F (1974) | 4.02 in (1917) |
| September 5 | 100.0°F (1899) | 35.1°F (1962) | 2.50 in (1936) |
| September 6 | 100.9°F (1939) | 36.0°F (1962) | 1.66 in (2004) |
| September 7 | 100.9°F (1939) | 36.0°F (1956) | 1.55 in (2007) |
| September 8 | 100.0°F (1947) | 39.9°F (1986) | 3.11 in (2001) |
| September 9 | 100.0°F (1947) | 39.0°F (2008) | 2.08 in (1989) |
| September 10 | 99.0°F (1927) | 37.0°F (1976) | 4.18 in (2014) |
| September 11 | 97.0°F (1927) | 34.0°F (1959) | 2.05 in (1972) |
| September 12 | 97.0°F (2000) | 30.9°F (1955) | 4.31 in (1961) |
| September 13 | 97.0°F (1939) | 35.1°F (1902) | 1.67 in (2008) |
| September 14 | 98.1°F (1939) | 34.0°F (1996) | 3.74 in (1914) |
| September 15 | 98.1°F (1927) | 32.0°F (2007) | 4.99 in (1992) |
| September 16 | 96.1°F (1931) | 32.0°F (2007) | 1.58 in (1896) |
| September 17 | 95.0°F (1925) | 33.1°F (1900) | 3.00 in (1942) |
| September 18 | 95.0°F (1955) | 30.9°F (1929) | 1.91 in (1978) |
| September 19 | 93.0°F (1925) | 30.0°F (1896) | 2.12 in (1986) |
| September 20 | 91.9°F (1931) | 26.1°F (1896) | 2.12 in (1894) |
| September 21 | 95.0°F (1937) | 30.9°F (1999) | 1.81 in (1955) |
| September 22 | 99.0°F (1937) | 27.0°F (1913) | 1.53 in (1914) |
| September 23 | 90.0°F (1938) | 27.0°F (2012) | 1.91 in (1985) |
| September 24 | 90.0°F (2016) | 27.0°F (2012) | 1.50 in (2010) |
| September 25 | 89.1°F (1920) | 30.9°F (1893) | 2.75 in (1930) |
| September 26 | 90.0°F (1897) | 28.9°F (1926) | 3.42 in (1936) |
| September 27 | 91.9°F (1956) | 30.0°F (1942) | 1.66 in (1916) |
| September 28 | 100.0°F (1953) | 25.0°F (1942) | 1.79 in (1911) |
| September 29 | 98.1°F (1953) | 24.1°F (1899) | 2.22 in (1893) |
| September 30 | 93.0°F (2023) | 26.1°F (1974) | 1.80 in (1902) |