Weather on September 13
Sioux Falls, SD
55 Years of Data
Avg High
74°F
Avg Low
50°F
Warmest
1994
81°F avg
Coldest
1986
48°F avg
About This Date
September 13th in Sioux Falls, SD typically brings pleasant fall weather, with average highs around 74°F and lows near 50°F. Over 55 years of records, the warmest September 13th was in 1994 (81°F average), while the coldest was 1986 (48°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 33% of September 13th dates historically, with the wettest September 13th recording 2.77" of rain. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for September 13th in Sioux Falls, SD? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 62° | 77° | — | — |
| 2024 | 85° | 59° | 72° | — | — |
| 2023 | 83° | 52° | 67° | — | — |
| 2022 | 85° | 46° | 65° | — | — |
| 2021 | 74° | 54° | 64° | 0.43" | — |
| 2020 | 86° | 47° | 66° | — | — |
| 2019 | 69° | 53° | 61° | — | — |
| 2018 | 79° | 66° | 72° | — | — |
| 2017 | 86° | 64° | 75° | — | — |
| 2016 | 61° | 47° | 54° | — | — |
| 2015 | 79° | 51° | 65° | — | — |
| 2014 | 60° | 36° | 48° | — | — |
| 2013 | 74° | 44° | 59° | — | — |
| 2012 | 77° | 43° | 60° | — | — |
| 2011 | 72° | 47° | 59° | 0.05" | — |
| 2010 | 76° | 47° | 61° | — | — |
| 2009 | 80° | 54° | 67° | — | — |
| 2008 | 71° | 57° | 64° | 0.86" | — |
| 2007 | 64° | 41° | 53° | — | — |
| 2006 | 79° | 43° | 61° | — | — |
| 2005 | 69° | 50° | 60° | — | — |
| 2004 | 87° | 67° | 77° | 2.77" | — |
| 2003 | 70° | 49° | 59° | — | — |
| 2002 | 67° | 58° | 62° | 0.76" | — |
| 2001 | 60° | 51° | 56° | 0.81" | — |
| 2000 | 89° | 50° | 70° | — | — |
| 1999 | 63° | 49° | 56° | — | — |
| 1998 | 91° | 66° | 79° | 2.26" | — |
| 1997 | 83° | 57° | 70° | — | — |
| 1996 | 65° | 37° | 51° | — | — |
| 1995 | 85° | 53° | 69° | — | — |
| 1994warmest | 91° | 71° | 81° | — | — |
| 1993 | 70° | 42° | 56° | 0.89" | — |
| 1992 | 77° | 58° | 67° | 0.05" | — |
| 1991 | 76° | 65° | 70° | 2.39" | — |
| 1990 | 93° | 59° | 76° | 0.18" | — |
| 1989 | 63° | 33° | 48° | — | — |
| 1988 | 73° | 46° | 60° | — | — |
| 1987 | 74° | 42° | 58° | — | — |
| 1986coldest | 56° | 41° | 48° | 0.05" | — |
| 1985 | 53° | 49° | 51° | 1.88" | — |
| 1984 | 70° | 55° | 62° | 0.1" | — |
| 1983 | 66° | 40° | 53° | — | — |
| 1982 | 58° | 51° | 54° | 0.13" | — |
| 1981 | 89° | 55° | 72° | — | — |
| 1980 | 62° | 56° | 59° | — | — |
| 1979 | 66° | 42° | 54° | — | — |
| 1978 | 65° | 53° | 59° | 1.88" | — |
| 1977 | 75° | 50° | 63° | — | — |
| 1976 | 76° | 53° | 64° | 0.23" | — |
| 1975 | 70° | 33° | 51° | — | — |
| 1974 | 65° | 39° | 52° | — | — |
| 1973 | 64° | 49° | 56° | 0.03" | — |
| 1972 | 71° | 50° | 61° | — | — |
| 1971 | 87° | 41° | 64° | — | — |
55 years of data from SIOUX FALLS