September weather in Dyersville, IA
The average temperature in Dyersville in September is 63.0°F (51.1°F–75.0°F). Average precipitation: 3.79 inches.
September is a fall month in Dyersville, and is warmer than the annual average of 47.9°F. Daily temperatures swing about 23.9°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
75.0°F
Avg Low
51.1°F
Precipitation
3.79 in
Daylight
12h 16m
September records in Dyersville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1953) | 36.0°F (1949) | 2.00 in (1989) |
| September 2 | 97.0°F (1984) | 39.9°F (1967) | 1.33 in (2002) |
| September 3 | 96.1°F (1947) | 37.9°F (1974) | 1.81 in (2018) |
| September 4 | 95.0°F (2023) | 35.1°F (1974) | 1.03 in (2018) |
| September 5 | 93.9°F (1954) | 37.9°F (1950) | 2.00 in (1971) |
| September 6 | 93.9°F (1954) | 34.0°F (1950) | 0.80 in (1983) |
| September 7 | 93.9°F (1985) | 35.1°F (1956) | 1.50 in (1965) |
| September 8 | 97.0°F (1978) | 35.1°F (1986) | 1.48 in (2016) |
| September 9 | 98.1°F (1955) | 37.9°F (1949) | 1.05 in (2020) |
| September 10 | 98.1°F (2013) | 35.1°F (1976) | 1.59 in (1971) |
| September 11 | 97.0°F (2013) | 32.0°F (1955) | 1.85 in (2006) |
| September 12 | 91.9°F (1952) | 28.9°F (1955) | 1.54 in (1980) |
| September 13 | 91.0°F (1984) | 30.0°F (1953) | 3.25 in (1961) |
| September 14 | 91.0°F (2025) | 34.0°F (1949) | 4.18 in (1967) |
| September 15 | 90.0°F (1955) | 32.0°F (2007) | 1.85 in (1967) |
| September 16 | 91.0°F (1955) | 32.0°F (1984) | 1.33 in (2016) |
| September 17 | 91.0°F (1955) | 33.1°F (1984) | 1.74 in (1987) |
| September 18 | 91.9°F (1947) | 30.9°F (1959) | 1.48 in (1968) |
| September 19 | 93.9°F (1948) | 36.0°F (1979) | 1.45 in (2001) |
| September 20 | 90.0°F (1947) | 28.9°F (1956) | 2.00 in (1965) |
| September 21 | 93.9°F (2022) | 30.0°F (1991) | 5.50 in (2001) |
| September 22 | 90.0°F (2017) | 28.0°F (1953) | 1.50 in (1968) |
| September 23 | 93.0°F (2017) | 28.0°F (1974) | 2.30 in (1968) |
| September 24 | 93.9°F (2017) | 27.0°F (1989) | 1.52 in (1960) |
| September 25 | 91.0°F (2017) | 28.0°F (2012) | 2.29 in (1986) |
| September 26 | 91.0°F (2017) | 28.0°F (1975) | 2.01 in (1993) |
| September 27 | 90.0°F (1954) | 30.0°F (1947) | 1.30 in (1959) |
| September 28 | 91.9°F (1953) | 25.0°F (1961) | 0.55 in (2019) |
| September 29 | 93.9°F (1953) | 21.0°F (1949) | 2.02 in (1972) |
| September 30 | 87.1°F (1952) | 27.0°F (1949) | 1.60 in (1961) |