September weather in Lane, SD
The average temperature in Lane in September is 62.4°F (50.6°F–74.2°F). Average precipitation: 2.73 inches.
September is a fall month in Lane, and is warmer than the annual average of 45.4°F. Daily temperatures swing about 23.6°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 17m. For travel, September is one of the best months of the year to visit.
Avg High
74.2°F
Avg Low
50.6°F
Precipitation
2.73 in
Daylight
12h 17m
September records in Lane
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1970) | 33.1°F (1912) | 1.59 in (2006) |
| September 2 | 102.0°F (1983) | 37.9°F (1967) | 1.90 in (2008) |
| September 3 | 100.0°F (1990) | 39.9°F (1896) | 1.10 in (1909) |
| September 4 | 100.9°F (1893) | 41.0°F (1962) | 1.19 in (1999) |
| September 5 | 102.9°F (1978) | 39.0°F (1965) | 1.70 in (1995) |
| September 6 | 105.1°F (1970) | 36.0°F (1898) | 1.18 in (2004) |
| September 7 | 102.0°F (1893) | 36.0°F (1895) | 1.40 in (1992) |
| September 8 | 99.0°F (1893) | 39.9°F (1902) | 1.09 in (2019) |
| September 9 | 102.9°F (1979) | 35.1°F (1898) | 0.45 in (1911) |
| September 10 | 97.0°F (2005) | 37.0°F (2020) | 1.86 in (2003) |
| September 11 | 98.1°F (1998) | 36.0°F (1989) | 0.89 in (1982) |
| September 12 | 100.0°F (1990) | 30.0°F (1902) | 1.39 in (1982) |
| September 13 | 97.0°F (1990) | 36.0°F (1974) | 0.84 in (2005) |
| September 14 | 91.9°F (1969) | 36.0°F (1993) | 0.83 in (1898) |
| September 15 | 90.0°F (1995) | 33.1°F (1966) | 1.86 in (2010) |
| September 16 | 93.0°F (2018) | 32.0°F (1900) | 1.06 in (1965) |
| September 17 | 100.9°F (1895) | 30.0°F (1900) | 1.73 in (1986) |
| September 18 | 93.9°F (1984) | 34.0°F (1991) | 1.05 in (2025) |
| September 19 | 99.0°F (1895) | 27.0°F (1991) | 2.70 in (1993) |
| September 20 | 91.9°F (2023) | 34.0°F (1983) | 2.56 in (1996) |
| September 21 | 93.0°F (1893) | 30.9°F (1983) | 0.91 in (1895) |
| September 22 | 91.0°F (1908) | 28.0°F (1995) | 1.73 in (2006) |
| September 23 | 86.0°F (2013) | 28.9°F (1989) | 2.21 in (2023) |
| September 24 | 91.0°F (2007) | 28.0°F (1965) | 4.65 in (2015) |
| September 25 | 90.0°F (1967) | 28.0°F (1893) | 0.70 in (1896) |
| September 26 | 95.0°F (1974) | 23.0°F (1965) | 0.87 in (1996) |
| September 27 | 97.0°F (1894) | 23.0°F (1900) | 0.35 in (1965) |
| September 28 | 89.1°F (2021) | 30.0°F (1907) | 0.80 in (2013) |
| September 29 | 93.0°F (1991) | 18.0°F (1899) | 1.48 in (1973) |
| September 30 | 95.0°F (1989) | 19.9°F (1899) | 1.20 in (1995) |