September weather in Herreid, SD
The average temperature in Herreid in September is 61.5°F (47.8°F–75.2°F). Average precipitation: 1.54 inches.
September is a fall month in Herreid, and is warmer than the annual average of 44.3°F. Daily temperatures swing about 27.4°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
75.2°F
Avg Low
47.8°F
Precipitation
1.54 in
Daylight
12h 18m
September records in Herreid
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 105.1°F (1929) | 30.0°F (1949) | 1.25 in (1957) |
| September 2 | 102.0°F (1971) | 34.0°F (1974) | 1.44 in (1926) |
| September 3 | 100.9°F (2015) | 19.9°F (1916) | 1.52 in (1929) |
| September 4 | 102.0°F (1922) | 32.0°F (1956) | 1.12 in (1951) |
| September 5 | 105.1°F (1978) | 28.0°F (1935) | 1.16 in (1938) |
| September 6 | 104.0°F (1913) | 28.0°F (1956) | 1.38 in (2010) |
| September 7 | 105.1°F (1931) | 32.0°F (1949) | 2.95 in (1970) |
| September 8 | 105.1°F (1959) | 30.9°F (1992) | 1.40 in (2013) |
| September 9 | 107.1°F (1931) | 28.0°F (1910) | 0.88 in (1927) |
| September 10 | 100.9°F (1931) | 25.0°F (1959) | 0.80 in (1924) |
| September 11 | 98.1°F (1939) | 24.1°F (1955) | 0.77 in (1999) |
| September 12 | 99.0°F (1939) | 28.0°F (1960) | 1.56 in (2019) |
| September 13 | 91.9°F (2015) | 28.0°F (1923) | 2.45 in (1928) |
| September 14 | 99.0°F (1948) | 19.9°F (1949) | 1.72 in (2001) |
| September 15 | 100.9°F (1935) | 21.0°F (1916) | 0.46 in (1921) |
| September 16 | 95.0°F (1925) | 25.0°F (1916) | 1.83 in (1986) |
| September 17 | 98.1°F (1920) | 28.0°F (1937) | 0.83 in (2025) |
| September 18 | 100.0°F (1933) | 23.0°F (1929) | 1.97 in (1946) |
| September 19 | 98.1°F (1914) | 15.1°F (1991) | 1.33 in (1996) |
| September 20 | 98.1°F (1914) | 19.0°F (1918) | 1.55 in (2018) |
| September 21 | 100.0°F (1922) | 17.1°F (1934) | 0.71 in (1941) |
| September 22 | 100.9°F (1936) | 16.0°F (1947) | 1.70 in (1910) |
| September 23 | 97.0°F (1958) | 24.1°F (1909) | 1.43 in (1977) |
| September 24 | 90.0°F (1917) | 21.0°F (1965) | 0.90 in (2017) |
| September 25 | 95.0°F (1938) | 12.0°F (1926) | 1.25 in (1910) |
| September 26 | 95.0°F (2024) | 17.1°F (1939) | 1.02 in (1998) |
| September 27 | 98.1°F (1952) | 17.1°F (1927) | 0.44 in (1915) |
| September 28 | 93.0°F (2021) | 15.1°F (1945) | 0.42 in (1971) |
| September 29 | 90.0°F (1931) | 18.0°F (1945) | 0.46 in (1923) |
| September 30 | 91.0°F (1989) | 15.1°F (1939) | 1.40 in (2019) |