Weather on September 6
Sioux Falls, SD
55 Years of Data
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.
| 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° | — | — |
Sioux Falls, SD Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Sioux Falls, SD Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Sioux Falls, SD Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Sioux Falls, SD
Sioux Falls, SD has no months that meet our "pleasant" threshold — every season has tradeoffs.