September weather in Bellevue, IA
The average temperature in Bellevue in September is 64.0°F (52.2°F–75.9°F). Average precipitation: 3.65 inches.
September is a fall month in Bellevue, and is warmer than the annual average of 48.7°F. Daily temperatures swing about 23.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
75.9°F
Avg Low
52.2°F
Precipitation
3.65 in
Daylight
12h 16m
September records in Bellevue
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1953) | 37.9°F (1949) | 3.20 in (1989) |
| September 2 | 96.1°F (1953) | 37.0°F (1946) | 1.30 in (2018) |
| September 3 | 95.0°F (2000) | 39.9°F (1967) | 1.81 in (1970) |
| September 4 | 95.0°F (2000) | 37.9°F (1974) | 1.30 in (2018) |
| September 5 | 95.0°F (2023) | 39.0°F (1950) | 2.10 in (1965) |
| September 6 | 95.0°F (1985) | 35.1°F (1950) | 1.34 in (1946) |
| September 7 | 99.0°F (1985) | 37.9°F (1956) | 1.10 in (1965) |
| September 8 | 95.0°F (1978) | 37.9°F (1949) | 3.09 in (1941) |
| September 9 | 98.1°F (1955) | 37.9°F (1986) | 2.79 in (1941) |
| September 10 | 98.1°F (2013) | 39.9°F (1976) | 1.95 in (1986) |
| September 11 | 97.0°F (2013) | 36.0°F (1955) | 1.27 in (2006) |
| September 12 | 91.9°F (1984) | 34.0°F (1955) | 1.75 in (2019) |
| September 13 | 91.9°F (1998) | 36.0°F (1964) | 4.06 in (1961) |
| September 14 | 90.0°F (1994) | 35.1°F (1949) | 2.44 in (2003) |
| September 15 | 91.9°F (1994) | 34.0°F (2007) | 1.77 in (1998) |
| September 16 | 91.0°F (1994) | 34.0°F (2007) | 1.43 in (1983) |
| September 17 | 89.1°F (1948) | 35.1°F (1943) | 2.92 in (1992) |
| September 18 | 93.0°F (1988) | 35.1°F (1959) | 2.75 in (1978) |
| September 19 | 93.9°F (1948) | 37.0°F (1991) | 2.95 in (2001) |
| September 20 | 91.9°F (2013) | 30.9°F (1956) | 2.57 in (1965) |
| September 21 | 97.0°F (2022) | 30.9°F (1991) | 3.56 in (1950) |
| September 22 | 90.0°F (2005) | 30.9°F (1974) | 1.29 in (1973) |
| September 23 | 91.9°F (2017) | 28.0°F (1974) | 3.11 in (1959) |
| September 24 | 93.0°F (2017) | 27.0°F (1995) | 1.85 in (1970) |
| September 25 | 89.1°F (2017) | 27.0°F (1942) | 2.70 in (1986) |
| September 26 | 90.0°F (2017) | 30.0°F (1984) | 1.30 in (1993) |
| September 27 | 90.0°F (1998) | 30.9°F (1991) | 1.95 in (1973) |
| September 28 | 93.0°F (1952) | 24.1°F (1942) | 1.21 in (1945) |
| September 29 | 95.0°F (1953) | 26.1°F (1949) | 2.06 in (1986) |
| September 30 | 90.0°F (1952) | 30.0°F (1949) | 1.36 in (1941) |