September weather in Farmer, SD
The average temperature in Farmer in September is 61.9°F (48.6°F–75.1°F). Average precipitation: 2.81 inches.
September is a fall month in Farmer, and is warmer than the annual average of 45°F. Daily temperatures swing about 26.5°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
75.1°F
Avg Low
48.6°F
Precipitation
2.81 in
Daylight
12h 17m
September records in Farmer
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.9°F (1913) | 37.9°F (1895) | 2.92 in (1966) |
| September 2 | 102.0°F (1929) | 39.0°F (1935) | 2.52 in (2006) |
| September 3 | 106.0°F (1893) | 34.0°F (1974) | 1.60 in (1962) |
| September 4 | 105.1°F (1922) | 35.1°F (1902) | 4.15 in (1999) |
| September 5 | 104.0°F (1913) | 37.0°F (1929) | 2.00 in (2016) |
| September 6 | 105.1°F (1893) | 35.1°F (1896) | 0.78 in (1935) |
| September 7 | 105.1°F (1931) | 27.0°F (1895) | 1.60 in (1938) |
| September 8 | 102.0°F (1908) | 34.0°F (1895) | 1.83 in (1946) |
| September 9 | 105.1°F (1904) | 33.1°F (1910) | 2.45 in (1921) |
| September 10 | 104.0°F (1931) | 30.0°F (1894) | 2.21 in (1901) |
| September 11 | 100.0°F (1931) | 32.0°F (1894) | 2.90 in (2019) |
| September 12 | 100.0°F (1939) | 24.1°F (1902) | 5.40 in (2019) |
| September 13 | 100.9°F (1939) | 27.0°F (1902) | 1.65 in (1896) |
| September 14 | 100.9°F (1895) | 34.0°F (1903) | 2.00 in (1906) |
| September 15 | 100.9°F (1955) | 26.1°F (1916) | 1.41 in (2006) |
| September 16 | 98.1°F (1955) | 26.1°F (1903) | 1.70 in (1923) |
| September 17 | 109.0°F (1895) | 26.1°F (1894) | 1.09 in (1967) |
| September 18 | 98.1°F (1940) | 27.0°F (1902) | 1.47 in (1986) |
| September 19 | 102.9°F (1895) | 24.1°F (1991) | 1.38 in (1993) |
| September 20 | 93.9°F (1893) | 21.9°F (1918) | 2.20 in (2018) |
| September 21 | 99.0°F (1936) | 27.0°F (1934) | 1.46 in (1924) |
| September 22 | 99.0°F (1936) | 26.1°F (1913) | 1.85 in (1895) |
| September 23 | 100.9°F (1935) | 27.0°F (1989) | 1.35 in (1920) |
| September 24 | 93.0°F (1935) | 25.0°F (1942) | 3.10 in (1934) |
| September 25 | 91.0°F (1967) | 19.0°F (1926) | 1.80 in (2005) |
| September 26 | 96.1°F (1990) | 28.0°F (1984) | 2.23 in (1908) |
| September 27 | 98.1°F (1956) | 23.0°F (1928) | 1.58 in (1904) |
| September 28 | 95.0°F (1956) | 24.1°F (1951) | 1.90 in (2013) |
| September 29 | 93.0°F (2021) | 15.1°F (1899) | 1.89 in (1962) |
| September 30 | 91.9°F (1928) | 10.9°F (1908) | 1.78 in (1995) |