September weather in Timber Lake, SD
The average temperature in Timber Lake in September is 62.1°F (48.1°F–76.1°F). Average precipitation: 1.53 inches.
September is a fall month in Timber Lake, and is warmer than the annual average of 45.3°F. Daily temperatures swing about 28°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
76.1°F
Avg Low
48.1°F
Precipitation
1.53 in
Daylight
12h 18m
September records in Timber Lake
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.9°F (1937) | 30.0°F (1946) | 1.42 in (1963) |
| September 2 | 102.0°F (1971) | 35.1°F (1946) | 1.23 in (1973) |
| September 3 | 104.0°F (2007) | 34.0°F (1961) | 0.80 in (1951) |
| September 4 | 102.9°F (1913) | 30.9°F (1962) | 0.63 in (1999) |
| September 5 | 104.0°F (1913) | 27.0°F (1916) | 0.98 in (2023) |
| September 6 | 102.0°F (1976) | 30.0°F (1929) | 1.26 in (2010) |
| September 7 | 105.1°F (1931) | 35.1°F (1986) | 1.23 in (1970) |
| September 8 | 102.0°F (1959) | 34.0°F (2020) | 1.60 in (2013) |
| September 9 | 106.0°F (1931) | 27.0°F (2020) | 2.10 in (1927) |
| September 10 | 100.0°F (1931) | 28.9°F (2023) | 0.70 in (2010) |
| September 11 | 100.9°F (1914) | 27.0°F (1955) | 1.31 in (1999) |
| September 12 | 98.1°F (1939) | 28.9°F (1989) | 1.45 in (1961) |
| September 13 | 97.0°F (1939) | 25.0°F (1949) | 1.10 in (1915) |
| September 14 | 102.0°F (1948) | 25.0°F (1993) | 1.00 in (2001) |
| September 15 | 105.1°F (1948) | 26.1°F (1916) | 0.60 in (2010) |
| September 16 | 98.1°F (1926) | 28.9°F (1957) | 0.93 in (1913) |
| September 17 | 96.1°F (1989) | 30.9°F (1918) | 0.71 in (2022) |
| September 18 | 100.0°F (1914) | 28.9°F (1929) | 1.55 in (1946) |
| September 19 | 99.0°F (1914) | 21.0°F (1991) | 1.08 in (1996) |
| September 20 | 95.0°F (1914) | 12.0°F (1916) | 1.43 in (2018) |
| September 21 | 96.1°F (1937) | 25.0°F (1983) | 0.60 in (1941) |
| September 22 | 95.0°F (2007) | 21.9°F (1995) | 1.30 in (2006) |
| September 23 | 97.0°F (1958) | 19.0°F (1926) | 1.22 in (1977) |
| September 24 | 91.0°F (1992) | 21.9°F (1942) | 1.75 in (1915) |
| September 25 | 93.0°F (1938) | 17.1°F (1926) | 0.80 in (1929) |
| September 26 | 97.0°F (2024) | 17.1°F (1942) | 0.60 in (1915) |
| September 27 | 97.0°F (1952) | 21.0°F (1928) | 0.20 in (1915) |
| September 28 | 93.0°F (2024) | 23.0°F (1945) | 0.73 in (1971) |
| September 29 | 97.0°F (2024) | 24.1°F (1939) | 0.90 in (1965) |
| September 30 | 93.0°F (1989) | 19.0°F (1974) | 0.47 in (1983) |