September weather in Anamosa, IA
The average temperature in Anamosa in September is 62.1°F (49.6°F–74.6°F). Average precipitation: 3.72 inches.
September is a fall month in Anamosa, and is warmer than the annual average of 47°F. Daily temperatures swing about 25°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
74.6°F
Avg Low
49.6°F
Precipitation
3.72 in
Daylight
12h 16m
September records in Anamosa
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (1953) | 36.0°F (1949) | 2.23 in (2010) |
| September 2 | 96.1°F (1953) | 36.0°F (1946) | 0.88 in (1942) |
| September 3 | 96.1°F (1947) | 37.0°F (1974) | 0.58 in (1970) |
| September 4 | 93.0°F (1954) | 34.0°F (1974) | 1.00 in (1980) |
| September 5 | 93.0°F (1954) | 36.0°F (1962) | 1.48 in (1971) |
| September 6 | 95.0°F (1985) | 34.0°F (1988) | 1.16 in (1946) |
| September 7 | 98.1°F (1939) | 34.0°F (1956) | 2.28 in (1942) |
| September 8 | 93.9°F (1971) | 28.9°F (1998) | 5.35 in (1941) |
| September 9 | 99.0°F (1955) | 30.9°F (1998) | 1.55 in (1989) |
| September 10 | 91.9°F (1978) | 33.1°F (1976) | 1.48 in (1986) |
| September 11 | 93.9°F (2000) | 33.1°F (1955) | 0.87 in (1983) |
| September 12 | 91.9°F (1939) | 28.9°F (1955) | 0.74 in (1949) |
| September 13 | 93.9°F (1939) | 30.9°F (1975) | 4.57 in (1961) |
| September 14 | 93.9°F (1939) | 33.1°F (1975) | 4.08 in (1967) |
| September 15 | 95.0°F (1939) | 30.9°F (2007) | 2.32 in (1967) |
| September 16 | 90.0°F (1955) | 28.9°F (1984) | 0.82 in (1983) |
| September 17 | 91.9°F (1988) | 33.1°F (1984) | 1.32 in (1968) |
| September 18 | 91.9°F (1955) | 33.1°F (1959) | 3.48 in (1977) |
| September 19 | 93.0°F (1948) | 35.1°F (1991) | 1.40 in (2010) |
| September 20 | 89.1°F (1940) | 27.0°F (1956) | 2.26 in (1965) |
| September 21 | 89.1°F (1937) | 28.9°F (1991) | 2.29 in (1965) |
| September 22 | 91.9°F (1937) | 27.0°F (1974) | 1.54 in (1946) |
| September 23 | 86.0°F (1937) | 24.1°F (1983) | 2.27 in (1955) |
| September 24 | 89.1°F (1984) | 27.0°F (1976) | 0.87 in (1960) |
| September 25 | 88.0°F (1986) | 27.0°F (1942) | 1.60 in (1984) |
| September 26 | 88.0°F (1986) | 27.0°F (1975) | 2.18 in (1993) |
| September 27 | 89.1°F (1954) | 28.9°F (1975) | 0.93 in (1959) |
| September 28 | 97.0°F (1953) | 21.9°F (1942) | 0.62 in (1945) |
| September 29 | 93.0°F (1953) | 23.0°F (1984) | 1.50 in (1986) |
| September 30 | 89.1°F (1952) | 25.0°F (1984) | 1.72 in (1961) |