Weather on September 5
Sioux Falls, SD
55 Years of Data
Avg High
80°F
Avg Low
56°F
Warmest
1990
84°F avg
Coldest
2025
53°F avg
About This Date
September 5th in Sioux Falls, SD typically brings warm fall weather, with average highs around 80°F and lows near 56°F. Over 55 years of records, the warmest September 5th was in 1990 (84°F average), while the coldest was 2025 (53°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 22% of September 5th dates historically, with the wettest September 5th recording 3.71" of rain. The last decade has been 6.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 6.4°F cooler on this date compared to 20-30 years ago.
Planning for September 5th in Sioux Falls, SD? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025coldest | 63° | 43° | 53° | — | — |
| 2024 | 77° | 54° | 65° | — | — |
| 2023 | 86° | 61° | 73° | — | — |
| 2022 | 83° | 60° | 71° | — | — |
| 2021 | 84° | 53° | 69° | 0.23" | — |
| 2020 | 89° | 49° | 69° | — | — |
| 2019 | 88° | 63° | 75° | — | — |
| 2018 | 74° | 54° | 64° | 0.15" | — |
| 2017 | 68° | 47° | 57° | — | — |
| 2016 | 81° | 65° | 73° | 3.71" | — |
| 2015 | 86° | 71° | 79° | — | — |
| 2014 | 66° | 48° | 57° | — | — |
| 2013 | 82° | 69° | 76° | — | — |
| 2012 | 78° | 52° | 65° | — | — |
| 2011 | 70° | 42° | 56° | — | — |
| 2010 | 74° | 52° | 63° | — | — |
| 2009 | 78° | 48° | 63° | — | — |
| 2008 | 64° | 45° | 54° | 0.03" | — |
| 2007 | 86° | 68° | 77° | — | — |
| 2006 | 79° | 49° | 64° | — | — |
| 2005 | 87° | 64° | 76° | 0.81" | — |
| 2004 | 76° | 58° | 67° | 2.57" | — |
| 2003 | 93° | 61° | 77° | — | — |
| 2002 | 90° | 70° | 80° | — | — |
| 2001 | 88° | 68° | 78° | — | — |
| 2000 | 79° | 53° | 66° | — | — |
| 1999 | 70° | 50° | 60° | — | — |
| 1998 | 88° | 66° | 77° | — | — |
| 1997 | 87° | 62° | 75° | — | — |
| 1996 | 85° | 69° | 77° | — | — |
| 1995 | 78° | 65° | 71° | 0.36" | — |
| 1994 | 73° | 55° | 64° | — | — |
| 1993 | 64° | 49° | 56° | — | — |
| 1992 | 75° | 57° | 66° | 0.76" | — |
| 1991 | 86° | 58° | 72° | 0.13" | — |
| 1990warmest | 98° | 69° | 84° | — | — |
| 1989 | 81° | 54° | 67° | — | — |
| 1988 | 72° | 40° | 56° | — | — |
| 1987 | 81° | 58° | 69° | — | — |
| 1986 | 69° | 49° | 59° | — | — |
| 1985 | 82° | 64° | 73° | — | — |
| 1984 | 73° | 39° | 56° | — | — |
| 1983 | 75° | 56° | 65° | 1.68" | — |
| 1982 | 79° | 65° | 72° | — | — |
| 1981 | 86° | 57° | 72° | — | — |
| 1980 | 86° | 52° | 69° | — | — |
| 1979 | 82° | 60° | 71° | — | — |
| 1978 | 92° | 68° | 80° | — | — |
| 1977 | 80° | 53° | 67° | — | — |
| 1976 | 89° | 58° | 73° | — | — |
| 1975 | 70° | 48° | 59° | — | — |
| 1974 | 69° | 49° | 59° | — | — |
| 1973 | 81° | 50° | 65° | — | — |
| 1972 | 83° | 47° | 65° | 0.05" | — |
| 1971 | 74° | 57° | 65° | 0.15" | — |
55 years of data from SIOUX FALLS