Weather on September 29
Sioux Falls, SD
55 Years of Data
About This Date
September 29th in Sioux Falls, SD typically brings pleasant fall weather, with average highs around 71°F and lows near 46°F — a 25°F daily swing. Over 55 years of records, the warmest September 29th was in 2023 (77°F average), while the coldest was 1985 (40°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 22% of September 29th dates historically, with the wettest September 29th recording 2.67" of rain. The last decade has been 6.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.7°F warmer on this date compared to 20-30 years ago.
Planning for September 29th in Sioux Falls, SD? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 51° | 71° | — | — |
| 2024 | 88° | 49° | 68° | — | — |
| 2023warmest | 89° | 65° | 77° | — | — |
| 2022 | 77° | 49° | 63° | — | — |
| 2021 | 80° | 64° | 72° | 0.33" | — |
| 2020 | 80° | 42° | 61° | — | — |
| 2019 | 75° | 55° | 65° | 0.1" | — |
| 2018 | 47° | 36° | 41° | — | — |
| 2017 | 71° | 46° | 59° | — | — |
| 2016 | 69° | 40° | 54° | — | — |
| 2015 | 70° | 46° | 58° | 0.08" | — |
| 2014 | 70° | 54° | 62° | 0.13" | — |
| 2013 | 80° | 46° | 63° | — | — |
| 2012 | 82° | 39° | 61° | — | — |
| 2011 | 70° | 50° | 60° | — | — |
| 2010 | 74° | 52° | 63° | — | — |
| 2009 | 65° | 35° | 50° | — | — |
| 2008 | 66° | 42° | 54° | — | — |
| 2007 | 81° | 61° | 71° | 0.53" | — |
| 2006 | 72° | 39° | 55° | — | — |
| 2005 | 69° | 34° | 51° | — | — |
| 2004 | 70° | 43° | 56° | — | — |
| 2003 | 57° | 32° | 45° | — | — |
| 2002 | 70° | 51° | 60° | — | — |
| 2001 | 73° | 50° | 62° | — | — |
| 2000 | 79° | 51° | 65° | — | — |
| 1999 | 64° | 30° | 47° | — | — |
| 1998 | 80° | 52° | 66° | — | — |
| 1997 | 74° | 49° | 61° | — | — |
| 1996 | 59° | 43° | 51° | — | — |
| 1995 | 74° | 66° | 70° | 0.76" | — |
| 1994 | 78° | 46° | 62° | — | — |
| 1993 | 62° | 35° | 49° | — | — |
| 1992 | 71° | 37° | 54° | — | — |
| 1991 | 85° | 50° | 67° | — | — |
| 1990 | 63° | 47° | 55° | 0.33" | — |
| 1989 | 81° | 40° | 60° | — | — |
| 1988 | 61° | 53° | 57° | 0.79" | — |
| 1987 | 72° | 44° | 58° | — | — |
| 1986 | 66° | 46° | 56° | — | — |
| 1985coldest | 42° | 37° | 40° | 0.3" | — |
| 1984 | 61° | 26° | 43° | — | — |
| 1983 | 68° | 58° | 63° | 1.07" | — |
| 1982 | 74° | 47° | 60° | — | — |
| 1981 | 83° | 50° | 66° | — | — |
| 1980 | 80° | 57° | 69° | — | — |
| 1979 | 80° | 42° | 61° | — | — |
| 1978 | 65° | 52° | 58° | — | — |
| 1977 | 64° | 57° | 61° | 0.86" | — |
| 1976 | 76° | 32° | 54° | — | — |
| 1975 | 68° | 36° | 52° | — | — |
| 1974 | 68° | 31° | 49° | — | — |
| 1973 | 62° | 53° | 58° | 2.67" | — |
| 1972 | 54° | 31° | 42° | — | — |
| 1971 | 74° | 41° | 57° | — | — |
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.