Weather on September 6
Sioux Falls, SD
55 Years of Data
Avg High
81°F
Avg Low
56°F
Warmest
2002
82°F avg
Coldest
1986
52°F avg
About This Date
September 6th in Sioux Falls, SD typically brings warm fall weather, with average highs around 81°F and lows near 56°F — a 25°F daily swing. Over 55 years of records, the warmest September 6th was in 2002 (82°F average), while the coldest was 1986 (52°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 22% of September 6th dates historically, with the wettest September 6th recording 1.27" of rain. The last decade has been 6.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 6.8°F cooler on this date compared to 20-30 years ago.
Planning for September 6th in Sioux Falls, SD? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 40° | 53° | — | — |
| 2024 | 75° | 45° | 60° | — | — |
| 2023 | 76° | 50° | 63° | — | — |
| 2022 | 88° | 65° | 76° | — | — |
| 2021 | 90° | 52° | 71° | — | — |
| 2020 | 91° | 63° | 77° | — | — |
| 2019 | 80° | 58° | 69° | — | — |
| 2018 | 75° | 48° | 62° | — | — |
| 2017 | 70° | 42° | 56° | — | — |
| 2016 | 77° | 67° | 72° | 0.18" | — |
| 2015 | 84° | 66° | 75° | — | — |
| 2014 | 74° | 47° | 60° | — | — |
| 2013 | 89° | 67° | 78° | — | — |
| 2012 | 86° | 48° | 67° | — | — |
| 2011 | 73° | 52° | 62° | — | — |
| 2010 | 74° | 54° | 64° | 0.36" | — |
| 2009 | 78° | 60° | 69° | — | — |
| 2008 | 69° | 42° | 56° | 0.15" | — |
| 2007 | 79° | 65° | 72° | 1.27" | — |
| 2006 | 80° | 50° | 65° | — | — |
| 2005 | 83° | 63° | 73° | 0.41" | — |
| 2004 | 73° | 50° | 62° | — | — |
| 2003 | 92° | 63° | 77° | — | — |
| 2002warmest | 93° | 71° | 82° | — | — |
| 2001 | 83° | 71° | 77° | — | — |
| 2000 | 85° | 59° | 72° | — | — |
| 1999 | 80° | 53° | 67° | — | — |
| 1998 | 92° | 61° | 76° | — | — |
| 1997 | 85° | 50° | 67° | 0.33" | — |
| 1996 | 83° | 65° | 74° | — | — |
| 1995 | 79° | 58° | 68° | 0.05" | — |
| 1994 | 79° | 53° | 66° | — | — |
| 1993 | 70° | 46° | 58° | — | — |
| 1992 | 76° | 52° | 64° | — | — |
| 1991 | 94° | 53° | 73° | 0.48" | — |
| 1990 | 91° | 65° | 78° | — | — |
| 1989 | 80° | 67° | 73° | — | — |
| 1988 | 78° | 40° | 59° | — | — |
| 1987 | 83° | 53° | 68° | — | — |
| 1986coldest | 62° | 41° | 52° | — | — |
| 1985 | 88° | 63° | 75° | — | — |
| 1984 | 83° | 54° | 68° | — | — |
| 1983 | 77° | 50° | 64° | 0.08" | — |
| 1982 | 65° | 54° | 59° | — | — |
| 1981 | 83° | 63° | 73° | 0.61" | — |
| 1980 | 90° | 59° | 74° | 1.02" | — |
| 1979 | 75° | 51° | 63° | — | — |
| 1978 | 91° | 70° | 80° | — | — |
| 1977 | 83° | 64° | 73° | — | — |
| 1976 | 104° | 58° | 81° | — | — |
| 1975 | 77° | 45° | 61° | — | — |
| 1974 | 82° | 54° | 68° | — | — |
| 1973 | 79° | 43° | 61° | — | — |
| 1972 | 85° | 58° | 71° | 0.28" | — |
| 1971 | 87° | 55° | 71° | — | — |
55 years of data from SIOUX FALLS