September weather in Manson, IA
The average temperature in Manson in September is 63.0°F (51.1°F–75.0°F). Average precipitation: 2.95 inches.
September is a fall month in Manson, and is warmer than the annual average of 47.2°F. Daily temperatures swing about 23.9°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
75.0°F
Avg Low
51.1°F
Precipitation
2.95 in
Daylight
12h 16m
September records in Manson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (1894) | 39.9°F (1949) | 2.13 in (2014) |
| September 2 | 97.0°F (1929) | 43.0°F (1914) | 1.65 in (1933) |
| September 3 | 98.1°F (1894) | 36.0°F (1974) | 1.97 in (1961) |
| September 4 | 99.0°F (1925) | 39.0°F (1974) | 2.62 in (1994) |
| September 5 | 98.1°F (1925) | 37.0°F (1918) | 2.17 in (1985) |
| September 6 | 102.0°F (1939) | 39.9°F (1950) | 2.85 in (1903) |
| September 7 | 102.0°F (1939) | 36.0°F (1986) | 2.50 in (1917) |
| September 8 | 100.0°F (1947) | 0.0°F (2001) | 3.32 in (1965) |
| September 9 | 98.1°F (1955) | 39.0°F (1995) | 1.87 in (2020) |
| September 10 | 98.1°F (1931) | 37.9°F (1910) | 5.25 in (1911) |
| September 11 | 95.0°F (1948) | 35.1°F (1955) | 1.50 in (1928) |
| September 12 | 98.1°F (1939) | 36.0°F (1955) | 1.89 in (2003) |
| September 13 | 99.0°F (1939) | 34.0°F (1974) | 3.58 in (1978) |
| September 14 | 100.0°F (1939) | 35.1°F (1923) | 1.86 in (1914) |
| September 15 | 99.0°F (1939) | 32.0°F (1916) | 2.20 in (1936) |
| September 16 | 96.1°F (1931) | 33.1°F (2011) | 2.78 in (2016) |
| September 17 | 95.0°F (1955) | 32.0°F (1916) | 1.23 in (1968) |
| September 18 | 95.0°F (1947) | 28.0°F (1929) | 2.40 in (1926) |
| September 19 | 98.1°F (1948) | 30.0°F (1897) | 2.65 in (1931) |
| September 20 | 91.9°F (1998) | 28.0°F (1918) | 1.94 in (1915) |
| September 21 | 96.1°F (1937) | 30.9°F (1983) | 0.88 in (2018) |
| September 22 | 96.1°F (1937) | 26.1°F (1913) | 1.07 in (1988) |
| September 23 | 91.0°F (1938) | 28.9°F (1989) | 1.65 in (1913) |
| September 24 | 89.1°F (1935) | 28.0°F (1942) | 1.06 in (1900) |
| September 25 | 91.0°F (1956) | 28.0°F (1926) | 0.98 in (2005) |
| September 26 | 93.0°F (1956) | 28.0°F (1984) | 5.00 in (1973) |
| September 27 | 91.9°F (1956) | 28.0°F (1942) | 2.60 in (1986) |
| September 28 | 90.0°F (1894) | 21.9°F (1942) | 2.25 in (1901) |
| September 29 | 89.1°F (1981) | 19.9°F (1899) | 2.08 in (1988) |
| September 30 | 91.0°F (2025) | 21.9°F (1899) | 1.48 in (1919) |