September weather in Harvey, IA
The average temperature in Harvey in September is °F (°F–°F). Average precipitation: 3.68 inches.
September is a fall month in Harvey, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 12h 16m.
Avg High
°F
Avg Low
°F
Precipitation
3.68 in
Daylight
12h 16m
September records in Harvey
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (1913) | 37.9°F (1915) | 2.10 in (1914) |
| September 2 | 100.0°F (1913) | 42.1°F (1924) | 1.32 in (1992) |
| September 3 | 100.9°F (1913) | 43.0°F (1924) | 1.87 in (1961) |
| September 4 | 97.0°F (1913) | 43.0°F (1914) | 2.00 in (1920) |
| September 5 | 99.0°F (1913) | 43.0°F (1909) | 1.47 in (1971) |
| September 6 | 96.1°F (1922) | 43.0°F (1918) | 3.03 in (1911) |
| September 7 | 97.0°F (1901) | 42.1°F (1898) | 2.29 in (2015) |
| September 8 | 98.1°F (1912) | 48.0°F (1898) | 2.00 in (1920) |
| September 9 | 98.1°F (1906) | 39.0°F (1924) | 2.41 in (1989) |
| September 10 | 96.1°F (1906) | 33.1°F (1910) | 4.30 in (2014) |
| September 11 | 93.0°F (1906) | 33.1°F (1917) | 3.12 in (1972) |
| September 12 | 91.0°F (1908) | 44.1°F (1923) | 2.03 in (2003) |
| September 13 | 90.0°F (1920) | 39.0°F (1913) | 3.80 in (1961) |
| September 14 | 95.0°F (1911) | 30.9°F (1923) | 6.14 in (1914) |
| September 15 | 90.0°F (1906) | 35.1°F (1916) | 2.88 in (1970) |
| September 16 | 93.0°F (1906) | 35.1°F (1900) | 0.99 in (2016) |
| September 17 | 91.0°F (1907) | 34.0°F (1916) | 1.32 in (1906) |
| September 18 | 91.9°F (1907) | 28.9°F (1916) | 4.20 in (2022) |
| September 19 | 91.0°F (1908) | 37.9°F (1901) | 2.23 in (2002) |
| September 20 | 90.0°F (1908) | 32.0°F (1918) | 1.80 in (1921) |
| September 21 | 84.0°F (1910) | 28.9°F (1918) | 2.80 in (1986) |
| September 22 | 89.1°F (1908) | 26.1°F (1913) | 1.22 in (2009) |
| September 23 | 89.1°F (1922) | 32.0°F (1916) | 1.29 in (2000) |
| September 24 | 89.1°F (1920) | 36.0°F (1909) | 1.77 in (1910) |
| September 25 | 87.1°F (1908) | 36.0°F (1907) | 1.90 in (2009) |
| September 26 | 84.9°F (1905) | 30.0°F (1912) | 2.34 in (1915) |
| September 27 | 82.9°F (1911) | 32.0°F (1909) | 2.26 in (1916) |
| September 28 | 84.0°F (1905) | 30.9°F (1908) | 5.35 in (1923) |
| September 29 | 87.1°F (1905) | 25.0°F (1899) | 3.10 in (1955) |
| September 30 | 86.0°F (1910) | 25.0°F (1899) | 1.33 in (1919) |