September weather in Harrold, SD
The average temperature in Harrold in September is 61.5°F (45.6°F–77.5°F). Average precipitation: 1.80 inches.
September is a fall month in Harrold, and is warmer than the annual average of 44.3°F. Daily temperatures swing about 31.9°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
77.5°F
Avg Low
45.6°F
Precipitation
1.80 in
Daylight
12h 17m
September records in Harrold
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1964) | 34.0°F (1981) | 0.58 in (1963) |
| September 2 | 105.1°F (1983) | 34.0°F (1972) | 1.93 in (2008) |
| September 3 | 109.0°F (1983) | 28.9°F (1974) | 0.90 in (2021) |
| September 4 | 102.0°F (1990) | 33.1°F (1968) | 1.15 in (1971) |
| September 5 | 105.1°F (1978) | 30.0°F (1965) | 1.56 in (2016) |
| September 6 | 106.0°F (1978) | 32.0°F (2017) | 0.16 in (2004) |
| September 7 | 108.0°F (1976) | 28.0°F (1986) | 0.85 in (1996) |
| September 8 | 100.9°F (1978) | 28.9°F (1986) | 0.64 in (1968) |
| September 9 | 99.0°F (1978) | 30.9°F (2012) | 0.62 in (2009) |
| September 10 | 102.9°F (1979) | 30.0°F (1970) | 0.83 in (2010) |
| September 11 | 100.0°F (1988) | 32.0°F (1989) | 1.42 in (2004) |
| September 12 | 98.1°F (1990) | 30.0°F (1989) | 0.72 in (1982) |
| September 13 | 100.9°F (1990) | 30.9°F (1975) | 0.79 in (1985) |
| September 14 | 98.1°F (1969) | 24.1°F (2007) | 0.70 in (1991) |
| September 15 | 91.9°F (1969) | 24.1°F (2007) | 0.80 in (2017) |
| September 16 | 93.0°F (1995) | 30.0°F (1971) | 0.94 in (1965) |
| September 17 | 96.1°F (1989) | 28.9°F (1971) | 0.90 in (1967) |
| September 18 | 97.0°F (1988) | 28.0°F (1971) | 0.57 in (1978) |
| September 19 | 104.0°F (2000) | 19.9°F (1991) | 2.15 in (1986) |
| September 20 | 104.0°F (1984) | 21.0°F (1991) | 2.10 in (1996) |
| September 21 | 93.0°F (2007) | 19.9°F (1983) | 1.50 in (1989) |
| September 22 | 93.9°F (1984) | 19.9°F (1983) | 0.60 in (2008) |
| September 23 | 91.9°F (1974) | 21.9°F (1995) | 0.62 in (2004) |
| September 24 | 96.1°F (2007) | 18.0°F (2000) | 1.30 in (2017) |
| September 25 | 96.1°F (1990) | 19.0°F (2000) | 0.30 in (2005) |
| September 26 | 100.9°F (1974) | 17.1°F (1965) | 0.79 in (1996) |
| September 27 | 99.0°F (1987) | 17.1°F (1964) | 0.53 in (1966) |
| September 28 | 95.0°F (1983) | 21.0°F (1992) | 0.60 in (2013) |
| September 29 | 93.0°F (2021) | 19.9°F (1984) | 0.62 in (1965) |
| September 30 | 91.9°F (1991) | 14.0°F (1974) | 0.95 in (2007) |