Weather on September 28
Sioux Falls, SD
55 Years of Data
About This Date
September 28th in Sioux Falls, SD typically brings pleasant fall weather, with average highs around 70°F and lows near 43°F — a 27°F daily swing. Over 55 years of records, the warmest September 28th was in 1983 (75°F average), while the coldest was 1985 (37°F) — a 38°F range across recorded history. Precipitation has occurred on 24% of recorded September 28th dates, with snow falling 2% of the time. The last decade has been 5.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.9°F warmer on this date compared to 20-30 years ago.
Planning for September 28th in Sioux Falls, SD? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 44° | 66° | — | — |
| 2024 | 91° | 48° | 70° | — | — |
| 2023 | 84° | 53° | 69° | — | — |
| 2022 | 69° | 34° | 51° | — | — |
| 2021 | 89° | 59° | 74° | — | — |
| 2020 | 60° | 44° | 52° | — | — |
| 2019 | 65° | 42° | 53° | — | — |
| 2018 | 57° | 38° | 47° | — | — |
| 2017 | 80° | 43° | 61° | — | — |
| 2016 | 66° | 43° | 54° | — | — |
| 2015 | 74° | 53° | 63° | 0.48" | — |
| 2014 | 81° | 57° | 69° | — | — |
| 2013 | 63° | 50° | 56° | 0.99" | — |
| 2012 | 78° | 37° | 58° | — | — |
| 2011 | 88° | 43° | 65° | — | — |
| 2010 | 74° | 50° | 62° | — | — |
| 2009 | 59° | 42° | 51° | — | — |
| 2008 | 77° | 45° | 61° | 1.02" | — |
| 2007 | 77° | 36° | 56° | — | — |
| 2006 | 57° | 36° | 46° | — | — |
| 2005 | 63° | 36° | 49° | 0.2" | — |
| 2004 | 66° | 34° | 50° | — | — |
| 2003 | 57° | 33° | 45° | — | — |
| 2002 | 56° | 39° | 47° | 0.15" | — |
| 2001 | 77° | 40° | 58° | — | — |
| 2000 | 82° | 42° | 62° | — | — |
| 1999 | 65° | 36° | 50° | — | — |
| 1998 | 83° | 49° | 66° | 0.36" | — |
| 1997 | 72° | 48° | 60° | — | — |
| 1996 | 66° | 36° | 51° | — | — |
| 1995 | 84° | 58° | 71° | 0.03" | — |
| 1994 | 74° | 38° | 56° | — | — |
| 1993 | 59° | 36° | 47° | — | — |
| 1992 | 57° | 29° | 43° | — | — |
| 1991 | 71° | 36° | 53° | — | — |
| 1990 | 69° | 42° | 56° | — | — |
| 1989 | 75° | 50° | 63° | — | — |
| 1988 | 62° | 52° | 57° | 3.84" | — |
| 1987 | 67° | 50° | 58° | — | — |
| 1986 | 71° | 47° | 59° | 0.03" | — |
| 1985coldest | 41° | 33° | 37° | 0.94" | 0.9" |
| 1984 | 50° | 30° | 40° | — | — |
| 1983warmest | 87° | 63° | 75° | — | — |
| 1982 | 78° | 60° | 69° | — | — |
| 1981 | 76° | 39° | 57° | — | — |
| 1980 | 77° | 50° | 64° | — | — |
| 1979 | 72° | 49° | 60° | — | — |
| 1978 | 75° | 48° | 62° | — | — |
| 1977 | 68° | 50° | 59° | — | — |
| 1976 | 61° | 24° | 42° | — | — |
| 1975 | 66° | 40° | 53° | 0.05" | — |
| 1974 | 62° | 30° | 46° | — | — |
| 1973 | 61° | 52° | 56° | 2.59" | — |
| 1972 | 63° | 37° | 50° | 0.03" | — |
| 1971 | 74° | 48° | 61° | — | — |
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.