Weather on September 16
Sioux Falls, SD
55 Years of Data
Avg High
75°F
Avg Low
51°F
Warmest
2018
80°F avg
Coldest
1973
45°F avg
About This Date
September 16th in Sioux Falls, SD typically brings pleasant fall weather, with average highs around 75°F and lows near 51°F. Over 55 years of records, the warmest September 16th was in 2018 (80°F average), while the coldest was 1973 (45°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 25% of September 16th dates historically, with the wettest September 16th recording 6.1" of rain. The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.
Planning for September 16th in Sioux Falls, SD? Great weather for outdoor activities.
Warming Trend
2.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 58° | 75° | 0.03" | — |
| 2024 | 85° | 70° | 77° | — | — |
| 2023 | 76° | 49° | 62° | — | — |
| 2022 | 78° | 66° | 72° | 0.48" | — |
| 2021 | 93° | 64° | 79° | 0.58" | — |
| 2020 | 75° | 48° | 62° | — | — |
| 2019 | 84° | 69° | 77° | — | — |
| 2018warmest | 90° | 71° | 80° | — | — |
| 2017 | 64° | 47° | 55° | 0.03" | — |
| 2016 | 73° | 57° | 65° | — | — |
| 2015 | 87° | 70° | 78° | — | — |
| 2014 | 68° | 39° | 54° | — | — |
| 2013 | 69° | 43° | 56° | — | — |
| 2012 | 83° | 57° | 70° | — | — |
| 2011 | 55° | 43° | 49° | 0.05" | — |
| 2010 | 62° | 50° | 56° | — | — |
| 2009 | 83° | 50° | 66° | — | — |
| 2008 | 85° | 44° | 64° | — | — |
| 2007 | 77° | 46° | 62° | — | — |
| 2006 | 85° | 59° | 72° | 1.12" | — |
| 2005 | 82° | 55° | 69° | — | — |
| 2004 | 74° | 43° | 58° | — | — |
| 2003 | 83° | 55° | 69° | — | — |
| 2002 | 85° | 54° | 69° | — | — |
| 2001 | 61° | 52° | 56° | 1.75" | — |
| 2000 | 89° | 47° | 68° | — | — |
| 1999 | 75° | 47° | 61° | — | — |
| 1998 | 82° | 49° | 65° | — | — |
| 1997 | 73° | 54° | 63° | 0.1" | — |
| 1996 | 71° | 51° | 61° | — | — |
| 1995 | 74° | 47° | 60° | — | — |
| 1994 | 71° | 51° | 61° | — | — |
| 1993 | 71° | 45° | 58° | — | — |
| 1992 | 83° | 52° | 67° | — | — |
| 1991 | 70° | 49° | 59° | — | — |
| 1990 | 68° | 38° | 53° | — | — |
| 1989 | 81° | 51° | 66° | — | — |
| 1988 | 78° | 58° | 68° | 0.13" | — |
| 1987 | 68° | 57° | 63° | 3.25" | — |
| 1986 | 60° | 51° | 56° | 6.1" | — |
| 1985 | 72° | 62° | 67° | 0.05" | — |
| 1984 | 69° | 45° | 57° | — | — |
| 1983 | 68° | 51° | 60° | — | — |
| 1982 | 56° | 50° | 53° | 0.03" | — |
| 1981 | 60° | 38° | 49° | — | — |
| 1980 | 60° | 37° | 49° | — | — |
| 1979 | 80° | 55° | 68° | — | — |
| 1978 | 73° | 50° | 62° | — | — |
| 1977 | 65° | 58° | 61° | — | — |
| 1976 | 76° | 46° | 61° | — | — |
| 1975 | 74° | 43° | 58° | — | — |
| 1974 | 83° | 44° | 63° | — | — |
| 1973coldest | 50° | 40° | 45° | 0.66" | — |
| 1972 | 88° | 50° | 69° | — | — |
| 1971 | 65° | 37° | 51° | — | — |
55 years of data from SIOUX FALLS