Weather on September 1
Sioux Falls, SD
55 Years of Data
Avg High
80°F
Avg Low
59°F
Warmest
2011
81°F avg
Coldest
1974
46°F avg
About This Date
September 1st in Sioux Falls, SD typically brings warm fall weather, with average highs around 80°F and lows near 59°F. Over 55 years of records, the warmest September 1st was in 2011 (81°F average), while the coldest was 1974 (46°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 1st dates historically, with the wettest September 1st recording 5.08" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 1st in Sioux Falls, SD? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 57° | 67° | — | — |
| 2024 | 76° | 53° | 64° | — | — |
| 2023 | 94° | 66° | 80° | — | — |
| 2022 | 92° | 59° | 75° | — | — |
| 2021 | 78° | 60° | 69° | — | — |
| 2020 | 80° | 57° | 69° | — | — |
| 2019 | 74° | 59° | 66° | — | — |
| 2018 | 82° | 64° | 73° | — | — |
| 2017 | 71° | 64° | 68° | 0.15" | — |
| 2016 | 81° | 54° | 67° | — | — |
| 2015 | 81° | 68° | 74° | 0.05" | — |
| 2014 | 78° | 60° | 69° | 0.05" | — |
| 2013 | 77° | 57° | 67° | — | — |
| 2012 | 91° | 62° | 77° | — | — |
| 2011warmest | 90° | 73° | 81° | — | — |
| 2010 | 75° | 53° | 64° | — | — |
| 2009 | 72° | 51° | 61° | — | — |
| 2008 | 89° | 71° | 80° | — | — |
| 2007 | 83° | 64° | 73° | — | — |
| 2006 | 69° | 58° | 63° | 1.6" | — |
| 2005 | 85° | 48° | 66° | — | — |
| 2004 | 88° | 58° | 73° | — | — |
| 2003 | 78° | 54° | 66° | — | — |
| 2002 | 84° | 68° | 76° | — | — |
| 2001 | 80° | 58° | 69° | — | — |
| 2000 | 68° | 58° | 63° | — | — |
| 1999 | 85° | 68° | 76° | 0.03" | — |
| 1998 | 81° | 50° | 65° | — | — |
| 1997 | 88° | 65° | 76° | 0.13" | — |
| 1996 | 83° | 63° | 73° | — | — |
| 1995 | 81° | 54° | 67° | — | — |
| 1994 | 60° | 50° | 55° | 1.19" | — |
| 1993 | 76° | 56° | 66° | — | — |
| 1992 | 67° | 58° | 62° | 5.08" | — |
| 1991 | 86° | 58° | 72° | — | — |
| 1990 | 87° | 66° | 77° | — | — |
| 1989 | 79° | 55° | 67° | — | — |
| 1988 | 89° | 62° | 76° | — | — |
| 1987 | 84° | 53° | 69° | — | — |
| 1986 | 79° | 60° | 69° | 0.03" | — |
| 1985 | 71° | 57° | 64° | 0.15" | — |
| 1984 | 73° | 60° | 67° | 0.08" | — |
| 1983 | 94° | 67° | 80° | — | — |
| 1982 | 81° | 60° | 70° | — | — |
| 1981 | 72° | 48° | 60° | — | — |
| 1980 | 73° | 56° | 64° | — | — |
| 1979 | 82° | 65° | 73° | — | — |
| 1978 | 82° | 65° | 73° | — | — |
| 1977 | 66° | 46° | 56° | 1.32" | — |
| 1976 | 81° | 50° | 65° | — | — |
| 1975 | 81° | 63° | 72° | — | — |
| 1974coldest | 57° | 36° | 46° | 0.13" | — |
| 1973 | 90° | 71° | 80° | — | — |
| 1972 | 65° | 44° | 54° | — | — |
| 1971 | 89° | 65° | 77° | — | — |
55 years of data from SIOUX FALLS