September weather in Haverhill, IA
The average temperature in Haverhill in September is 63.0°F (50.6°F–75.4°F). Average precipitation: 3.85 inches.
September is a fall month in Haverhill, and is warmer than the annual average of 47.6°F. Daily temperatures swing about 24.8°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
75.4°F
Avg Low
50.6°F
Precipitation
3.85 in
Daylight
12h 16m
September records in Haverhill
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (1913) | 36.0°F (1949) | 3.46 in (1926) |
| September 2 | 100.9°F (1913) | 37.9°F (1946) | 2.12 in (1904) |
| September 3 | 100.9°F (1913) | 36.0°F (1974) | 1.92 in (1942) |
| September 4 | 102.0°F (1913) | 36.0°F (1974) | 2.90 in (2018) |
| September 5 | 100.0°F (1899) | 37.9°F (1974) | 1.56 in (1936) |
| September 6 | 100.9°F (1939) | 37.9°F (1950) | 2.00 in (1936) |
| September 7 | 102.9°F (1939) | 36.0°F (1956) | 1.72 in (1965) |
| September 8 | 98.1°F (1912) | 35.1°F (1986) | 3.17 in (1941) |
| September 9 | 99.0°F (1955) | 37.0°F (1986) | 2.20 in (2005) |
| September 10 | 99.0°F (1931) | 34.0°F (1976) | 1.54 in (2014) |
| September 11 | 97.0°F (1927) | 33.1°F (1917) | 2.45 in (2006) |
| September 12 | 98.1°F (1927) | 30.9°F (1955) | 2.04 in (1961) |
| September 13 | 98.1°F (1939) | 32.0°F (1902) | 2.27 in (1911) |
| September 14 | 99.0°F (1939) | 33.1°F (1923) | 1.82 in (1914) |
| September 15 | 99.0°F (1927) | 32.0°F (2007) | 1.45 in (1912) |
| September 16 | 97.0°F (1931) | 30.9°F (1984) | 2.82 in (1921) |
| September 17 | 95.0°F (1925) | 30.9°F (1894) | 3.45 in (1914) |
| September 18 | 93.9°F (1947) | 30.0°F (1916) | 1.32 in (1919) |
| September 19 | 93.9°F (1925) | 33.1°F (1916) | 5.07 in (1926) |
| September 20 | 93.0°F (1931) | 28.0°F (1896) | 4.10 in (1915) |
| September 21 | 95.0°F (2022) | 27.0°F (1918) | 1.92 in (1986) |
| September 22 | 99.0°F (1937) | 28.0°F (1913) | 2.09 in (2010) |
| September 23 | 91.0°F (2017) | 27.0°F (1983) | 1.78 in (1985) |
| September 24 | 91.0°F (2017) | 28.9°F (1983) | 1.77 in (2010) |
| September 25 | 90.0°F (1920) | 28.0°F (2010) | 2.59 in (1984) |
| September 26 | 89.1°F (2017) | 25.0°F (2010) | 3.25 in (1915) |
| September 27 | 91.9°F (1954) | 23.0°F (2010) | 1.26 in (1924) |
| September 28 | 97.0°F (1953) | 19.9°F (1942) | 1.61 in (1945) |
| September 29 | 91.0°F (1897) | 26.1°F (1899) | 1.56 in (1986) |
| September 30 | 93.0°F (1897) | 21.9°F (1899) | 2.51 in (1925) |