September weather in Highmore, SD
The average temperature in Highmore in September is 63.1°F (49.5°F–76.7°F). Average precipitation: 2.02 inches.
September is a fall month in Highmore, and is warmer than the annual average of 45.9°F. Daily temperatures swing about 27.2°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
76.7°F
Avg Low
49.5°F
Precipitation
2.02 in
Daylight
12h 17m
September records in Highmore
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 105.1°F (1983) | 30.9°F (1946) | 1.41 in (1959) |
| September 2 | 108.0°F (1983) | 34.0°F (1946) | 1.36 in (1909) |
| September 3 | 100.9°F (1947) | 32.0°F (1974) | 0.90 in (2021) |
| September 4 | 102.9°F (1913) | 34.0°F (1962) | 1.97 in (1971) |
| September 5 | 107.1°F (1933) | 34.0°F (1965) | 1.00 in (1957) |
| September 6 | 108.0°F (1976) | 30.9°F (1956) | 1.85 in (1911) |
| September 7 | 104.0°F (1931) | 34.0°F (1986) | 2.50 in (1900) |
| September 8 | 100.9°F (1931) | 34.0°F (1986) | 1.95 in (1968) |
| September 9 | 107.1°F (1931) | 28.9°F (1910) | 2.65 in (1921) |
| September 10 | 104.0°F (1931) | 30.0°F (1922) | 1.17 in (1933) |
| September 11 | 100.0°F (1931) | 24.1°F (1955) | 1.42 in (1932) |
| September 12 | 100.0°F (1897) | 28.0°F (1910) | 2.48 in (2019) |
| September 13 | 97.0°F (1939) | 28.0°F (1949) | 1.20 in (2019) |
| September 14 | 99.0°F (1939) | 28.9°F (1904) | 0.92 in (1900) |
| September 15 | 102.0°F (1955) | 25.0°F (1916) | 2.75 in (2010) |
| September 16 | 99.0°F (1925) | 30.0°F (1918) | 1.09 in (1965) |
| September 17 | 98.1°F (1955) | 30.9°F (1971) | 0.70 in (1942) |
| September 18 | 98.1°F (1933) | 26.1°F (1918) | 1.60 in (2025) |
| September 19 | 100.0°F (1895) | 21.9°F (1991) | 2.75 in (1996) |
| September 20 | 98.1°F (1937) | 25.0°F (1918) | 1.35 in (1996) |
| September 21 | 98.1°F (1937) | 24.1°F (1983) | 1.90 in (1989) |
| September 22 | 100.0°F (1922) | 23.0°F (1947) | 0.95 in (1959) |
| September 23 | 95.0°F (1935) | 25.0°F (1983) | 1.76 in (2023) |
| September 24 | 91.9°F (1908) | 21.9°F (1942) | 1.47 in (2017) |
| September 25 | 95.0°F (1938) | 10.0°F (1926) | 0.45 in (1996) |
| September 26 | 100.0°F (1974) | -52.1°F (1925) | 1.00 in (1966) |
| September 27 | 99.0°F (1956) | 19.9°F (1928) | 0.35 in (1996) |
| September 28 | 97.0°F (1897) | 17.1°F (1951) | 0.90 in (2013) |
| September 29 | 91.9°F (1897) | 21.0°F (1984) | 1.04 in (1965) |
| September 30 | 93.9°F (1980) | 17.1°F (1974) | 0.93 in (1911) |