September weather in Mechanicsville, IA
The average temperature in Mechanicsville in September is 64.8°F (52.9°F–76.8°F). Average precipitation: 3.46 inches.
September is a fall month in Mechanicsville, and is warmer than the annual average of 49.3°F. Daily temperatures swing about 23.9°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
76.8°F
Avg Low
52.9°F
Precipitation
3.46 in
Daylight
12h 16m
September records in Mechanicsville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1953) | 37.0°F (1949) | 3.28 in (1914) |
| September 2 | 98.1°F (1913) | 42.1°F (1946) | 1.61 in (1904) |
| September 3 | 96.1°F (1913) | 39.9°F (1974) | 1.57 in (1917) |
| September 4 | 96.1°F (1925) | 37.0°F (1974) | 2.65 in (1965) |
| September 5 | 97.0°F (1912) | 36.0°F (1974) | 2.20 in (1971) |
| September 6 | 100.0°F (1922) | 41.0°F (1935) | 3.63 in (1914) |
| September 7 | 99.0°F (1922) | 37.9°F (1956) | 2.10 in (1917) |
| September 8 | 99.0°F (1922) | 39.9°F (1949) | 4.02 in (1941) |
| September 9 | 100.9°F (1955) | 37.9°F (1924) | 1.55 in (1940) |
| September 10 | 97.0°F (1927) | 39.9°F (1967) | 1.23 in (1915) |
| September 11 | 93.0°F (1906) | 36.0°F (1955) | 1.70 in (1925) |
| September 12 | 97.0°F (1927) | 33.1°F (1902) | 3.34 in (1961) |
| September 13 | 100.0°F (1927) | 32.0°F (1902) | 3.48 in (1961) |
| September 14 | 97.0°F (1927) | 34.0°F (1923) | 2.48 in (2003) |
| September 15 | 99.0°F (1927) | 34.0°F (2007) | 3.65 in (1921) |
| September 16 | 95.0°F (1931) | 35.1°F (1916) | 1.01 in (1915) |
| September 17 | 96.1°F (1927) | 35.1°F (1937) | 4.30 in (1970) |
| September 18 | 93.9°F (1955) | 28.9°F (1929) | 4.30 in (1977) |
| September 19 | 93.9°F (1947) | 34.0°F (1991) | 1.50 in (1926) |
| September 20 | 91.0°F (1931) | 28.0°F (1991) | 1.90 in (1965) |
| September 21 | 91.9°F (1940) | 28.0°F (1991) | 2.25 in (1965) |
| September 22 | 91.9°F (1937) | 30.0°F (1983) | 1.50 in (1970) |
| September 23 | 93.0°F (1930) | 28.0°F (1974) | 2.35 in (1902) |
| September 24 | 90.0°F (1984) | 28.9°F (1989) | 1.17 in (1937) |
| September 25 | 89.1°F (1956) | 30.0°F (1928) | 1.50 in (1984) |
| September 26 | 89.1°F (1998) | 25.0°F (1926) | 3.56 in (1981) |
| September 27 | 90.0°F (1954) | 27.0°F (1985) | 1.55 in (1908) |
| September 28 | 97.0°F (1953) | 25.0°F (1942) | 1.48 in (1916) |
| September 29 | 96.1°F (1953) | 28.0°F (1949) | 2.51 in (1893) |
| September 30 | 91.9°F (1952) | 26.1°F (1984) | 1.53 in (1986) |