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Sioux Falls September 20 Weather Records

Daily averages and all-time records for weather in Sioux Falls, South Dakota for the date of September 20.
September 20 All-Time Records
1932–2022
Highest temperature 95 °F 2022
Lowest temperature 30 °F 2006
Lowest daily high 49 °F 1965
Highest daily low 72 °F 2019
Most precipitation 3.1 inches 2018
Most snow none -
September 20 Average Weather
1991–2020 1
Average high 72.5 °F
Average low 48.8 °F
Chance precipitation 27.5%
Chance snow 0.1%
Sioux Falls September 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 95 60 0.00 0.0
2021 77 50 1.17 0.0
2020 80 58 0.00 0.0
2019 87 72 0.00 0.0
2018 69 55 3.07 0.0
2017 74 50 0.00 0.0
2016 86 54 0.00 0.0
2015 78 54 0.00 0.0
2014 84 56 0.01 0.0
2013 64 40 0.00 0.0
2012 68 45 0.00 0.0
2011 68 53 0.03 0.0
2010 87 53 0.01 0.0
2009 79 52 0.00 0.0
2008 84 58 0.00 0.0
2007 90 56 0.00 0.0
2006 63 30 0.00 0.0
2005 87 57 0.00 0.0
2004 75 63 0.65 0.0
2003 74 49 0.00 0.0
2002 78 51 0.00 0.0
2001 74 51 0.19 0.0
2000 59 36 0.00 0.0
1999 58 34 0.00 0.0
1998 73 45 0.00 0.0
1997 60 37 0.00 0.0
1996 56 50 0.04 0.0
1995 50 41 0.00 0.0
1994 83 60 0.00 0.0
1993 57 53 0.00 0.0
1992 78 52 0.00 0.0
1991 72 38 0.00 0.0
1990 76 56 0.01 0.0
1989 81 63 0.17 0.0
1988 66 45 0.00 0.0
1987 66 44 0.00 0.0
1986 73 47 0.25 0.0
1985 57 42 0.00 0.0
1984 77 49 0.00 0.0
1983 50 30 0.05 0.0
1982 58 39 0.00 0.0
1981 86 46 0.00 0.0
1980 67 47 0.23 0.0
1979 67 45 0.00 0.0
1978 59 43 0.00 0.0
1977 73 42 0.00 0.0
1976 71 38 0.00 0.0
1975 51 44 0.00 0.0
1974 68 43 0.00 0.0
1973 63 45 0.00 0.0
1972 80 43 0.26 0.0
1971 76 40 0.00 0.0
1970 89 66 0.23 0.0
1969 76 53 0.00 0.0
1968 68 44 0.00 0.0
1967 80 57 0.12 0.0
1966 75 40 0.00 0.0
1965 49 46 0.26 0.0
1964 65 45 0.00 0.0
1963 73 54 0.00 0.0
1962 64 32 0.00 0.0
1961 61 51 1.58 0.0
1960 85 52 0.00 0.0
1959 81 64 0.00 0.0
1958 78 50 0.00 0.0
1957 54 36 0.02 0.0
1956 70 41 0.00 0.0
1955 70 52 0.32 0.0
1954 70 45 0.00 0.0
1953 64 44 0.20 0.0
1952 67 41 0.00 0.0
1951 81 50 0.00 0.0
1950 67 56 2.91 0.0
1949 82 47 0.00 0.0
1948 71 60 0.56 0.0
1947 71 50 0.00 0.0
1946 74 46 0.00 0.0
1945 63 41 0.00 0.0
1944 75 53 0.00 0.0
1943 66 33 0.00 0.0
1941 92 69 0.00 0.0
1940 80 66 0.40 0.0
1939 72 56 0.00 0.0
1938 67 37 0.00 0.0
1937 83 52 0.00 0.0
1936 80 53 0.00 0.0
1935 83 59 0.00 0.0
1934 70 40 0.00 0.0
1933 67 43 0.00 0.0
1932 67 39 0.00 0.0
All-Time Highest Temperatures in Sioux Falls on September 20
Rank Temperature Year
1 95 °F 2022
2 92 °F 1941
3 90 °F 2007
4 89 °F 1970
5 87 °F 2010
5 87 °F 2005
5 87 °F 2019
8 86 °F 2016
8 86 °F 1981
10 85 °F 1960
All-Time Lowest Temperatures in Sioux Falls on September 20
Rank Temperature Year
1 30 °F 1983
1 30 °F 2006
3 32 °F 1962
4 33 °F 1943
5 34 °F 1999
6 36 °F 2000
6 36 °F 1957
8 37 °F 1938
8 37 °F 1997
10 38 °F 1976
10 38 °F 1991
Lowest High Temperatures in Sioux Falls on September 20
Rank Temperature Year
1 49 °F 1965
2 50 °F 1983
2 50 °F 1995
4 51 °F 1975
5 54 °F 1957
6 56 °F 1996
7 57 °F 1993
7 57 °F 1985
9 58 °F 1982
9 58 °F 1999
All-Time Most Precipitation in Sioux Falls on September 20
Rank Precipitation Year
1 3.1 inches 2018
2 2.9 inches 1950
3 1.6 inches 1961
4 1.2 inches 2021
5 0.6 inches 2004
6 0.6 inches 1948
7 0.4 inches 1940
8 0.3 inches 1955
9 0.3 inches 1972
9 0.3 inches 1965
Weather Station Details
Years Station Coordinates
1932–2022 Sioux Falls location