September weather in Twin Brooks, SD
The average temperature in Twin Brooks in September is 61.7°F (49.0°F–74.4°F). Average precipitation: inches.
September is a fall month in Twin Brooks, and is warmer than the annual average of 44°F. Daily temperatures swing about 25.4°F between overnight low and afternoon high. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
74.4°F
Avg Low
49.0°F
Precipitation
in
Daylight
12h 18m
September records in Twin Brooks
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (1922) | 34.0°F (1909) | 2.71 in (1942) |
| September 2 | 100.0°F (1913) | 36.0°F (1974) | 2.30 in (2006) |
| September 3 | 99.0°F (1925) | 32.0°F (1974) | 2.04 in (1990) |
| September 4 | 102.0°F (1933) | 30.9°F (1918) | 2.00 in (1999) |
| September 5 | 104.0°F (1933) | 35.1°F (1984) | 0.62 in (1925) |
| September 6 | 98.1°F (1913) | 34.0°F (1929) | 1.29 in (1948) |
| September 7 | 100.9°F (1933) | 37.0°F (1909) | 2.05 in (1903) |
| September 8 | 100.9°F (1947) | 36.0°F (1979) | 1.30 in (1976) |
| September 9 | 100.0°F (1931) | 32.0°F (1910) | 1.55 in (1900) |
| September 10 | 105.1°F (1931) | 33.1°F (1898) | 1.85 in (1903) |
| September 11 | 97.0°F (1931) | 28.9°F (1896) | 0.80 in (1901) |
| September 12 | 96.1°F (1897) | 26.1°F (1902) | 3.60 in (1901) |
| September 13 | 99.0°F (1939) | 27.0°F (1902) | 1.41 in (1914) |
| September 14 | 99.0°F (1939) | 28.0°F (2007) | 1.07 in (1921) |
| September 15 | 99.0°F (1955) | 30.0°F (1916) | 0.90 in (2001) |
| September 16 | 100.0°F (1895) | 30.9°F (1912) | 1.05 in (1896) |
| September 17 | 95.0°F (1955) | 30.0°F (1897) | 1.68 in (1987) |
| September 18 | 102.9°F (1895) | 21.9°F (1929) | 0.79 in (1942) |
| September 19 | 98.1°F (1984) | 27.0°F (1896) | 2.14 in (1963) |
| September 20 | 93.9°F (1908) | 23.0°F (1918) | 1.36 in (1993) |
| September 21 | 98.1°F (1937) | 24.1°F (1904) | 1.60 in (2007) |
| September 22 | 100.9°F (1936) | 19.0°F (1913) | 1.20 in (1895) |
| September 23 | 93.9°F (1908) | 21.9°F (1913) | 1.50 in (2004) |
| September 24 | 93.9°F (1935) | 25.0°F (1913) | 2.87 in (1934) |
| September 25 | 91.9°F (1938) | 24.1°F (1926) | 1.30 in (1901) |
| September 26 | 90.0°F (1974) | 21.9°F (1965) | 1.40 in (1908) |
| September 27 | 97.0°F (1956) | 24.1°F (1912) | 0.78 in (1929) |
| September 28 | 91.9°F (1897) | 19.9°F (1930) | 1.50 in (1894) |
| September 29 | 89.1°F (1905) | 17.1°F (1899) | 0.65 in (1988) |
| September 30 | 88.0°F (1932) | 15.1°F (1899) | 1.80 in (1995) |