Aberdeen September 21 Weather Records

Daily averages and all-time records for weather in Aberdeen, South Dakota for the date of September 21.
September 21 All-Time Records
1893–2024
Highest temperature 99 °F 1937
Lowest temperature 22 °F 1893
Lowest daily high 34 °F 1893
Highest daily low 68 °F 1920
Most precipitation 1.85 inches 1959
Most snow 0.2 inches 1995
September 21 Average Weather
1991–2020 1
Average high 70.7 °F
Average low 44.3 °F
Chance precipitation 27.1%
Chance snow 0.2%
Aberdeen September 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 74 60 0.29 0.0
2022 69 44 0.00 0.0
2021 69 44 0.00 0.0
2020 87 46 0.00 0.0
2019 79 55 0.02 0.0
2018 61 40 0.01 0.0
2017 86 46 0.00 0.0
2016 72 55 0.00 0.0
2015 92 50 0.00 0.0
2014 72 41 0.00 0.0
2013 72 33 0.00 0.0
2012 71 36 0.00 0.0
2011 57 46 0.00 0.0
2010 63 46 0.00 0.0
2009 62 53 0.43 0.0
2008 81 57 0.48 0.0
2007 69 42 0.00 0.0
2006 60 44 0.65 0.0
2005 79 42 0.00 0.0
2004 55 50 0.11 0.0
2003 70 44 0.00 0.0
2002 65 37 0.00 0.0
2001 71 46 0.00 0.0
2000 56 33 0.04 0.0
1999 74 36 0.00 0.0
1998 60 37 0.00 0.0
1997 65 33 0.01 0.0
1996 67 48 0.03 0.0
1995 47 28 0.10 0.2
1994 58 42 0.16 0.0
1993 67 44 0.01 0.0
1992 74 39 0.00 0.0
1991 76 49 0.00 0.0
1990 66 45 0.00 0.0
1989 58 51 0.41 0.0
1988 65 43 0.00 n/a
1987 68 47 0.00 0.0
1986 61 54 0.00 0.0
1985 62 36 0.00 0.0
1984 89 59 0.10 0.0
1983 53 33 0.00 0.0
1982 68 32 0.00 0.0
1981 76 43 0.00 0.0
1980 77 43 0.00 0.0
1979 71 30 0.00 0.0
1978 67 31 0.00 0.0
1977 61 53 1.35 0.0
1976 69 38 0.00 0.0
1975 68 41 0.00 0.0
1974 56 30 0.00 0.0
1973 63 45 0.63 0.0
1972 68 34 0.00 0.0
1971 59 32 0.00 0.0
1970 74 49 0.00 0.0
1969 85 63 0.18 0.0
1968 76 53 0.18 0.0
1967 69 46 0.00 0.0
1966 77 48 0.00 0.0
1965 54 43 0.74 0.0
1964 73 36 0.00 0.0
1963 70 39 0.00 0.0
1962 75 40 0.00 0.0
1961 62 42 0.00 0.0
1960 69 41 0.00 0.0
1959 81 51 1.85 0.0
1958 79 34 0.00 0.0
1957 64 38 0.02 0.0
1956 72 51 0.00 0.0
1955 68 54 0.00 0.0
1954 59 35 0.00 0.0
1953 61 32 0.00 0.0
1952 65 39 0.05 0.0
1951 50 30 0.00 0.0
1950 59 40 0.02 0.0
1949 75 35 0.00 0.0
1948 62 52 0.01 0.0
1947 65 46 0.00 0.0
1946 80 42 0.00 0.0
1945 68 39 0.00 0.0
1944 72 41 0.00 0.0
1943 74 50 0.00 0.0
1942 55 38 0.03 0.0
1941 67 50 0.50 0.0
1940 84 57 0.00 0.0
1939 87 40 0.00 0.0
1938 83 34 0.00 0.0
1937 99 60 0.00 0.0
1936 99 44 0.00 0.0
1935 91 45 0.00 0.0
1934 59 27 0.00 0.0
1933 74 53 0.00 0.0
1932 71 45 0.00 0.0
1931 80 45 0.25 n/a
1930 82 42 0.00 0.0
1929 71 52 0.00 n/a
1928 72 40 0.20 n/a
1927 66 38 0.00 n/a
1926 72 41 0.00 n/a
1925 61 44 0.00 n/a
1924 64 41 1.20 n/a
1923 82 48 0.00 n/a
1922 97 50 0.00 n/a
1921 76 50 0.30 n/a
1920 88 68 0.05 n/a
1919 65 42 0.00 0.0
1918 62 25 0.00 0.0
1917 67 38 0.00 n/a
1916 60 45 0.00 0.0
1915 60 32 0.00 n/a
1914 89 68 0.00 n/a
1913 60 30 0.00 0.0
1912 53 40 0.20 0.0
1911 62 40 0.00 0.0
1910 90 45 0.00 n/a
1909 85 53 0.00 n/a
1908 89 65 0.00 n/a
1907 65 37 0.00 n/a
1906 63 56 0.25 0.0
1905 94 40 0.00 n/a
1904 54 26 0.00 n/a
1903 80 45 0.00 0.0
1902 62 51 0.00 n/a
1901 61 32 0.00 n/a
1900 80 60 0.00 n/a
1899 73 36 0.00 n/a
1898 93 64 0.00 n/a
1897 84 38 0.00 n/a
1896 68 28 0.00 n/a
1895 62 40 0.00 n/a
1894 71 42 0.00 n/a
1893 34 22 0.00 n/a
What's the all-time high for Aberdeen on 9/21?
For the date of Sep 21, the highest temperature ever reached in Aberdeen history is 99 °F which has happened 2 times, most recently in 1937.
Highest Temperatures in Aberdeen on September 21
Rank Temperature Year
1 99 °F 1937
1 99 °F 1936
3 97 °F 1922
4 94 °F 1905
5 93 °F 1898
6 92 °F 2015
7 91 °F 1935
8 90 °F 1910
9 89 °F 1908
9 89 °F 1984
9 89 °F 1914
What's the all-time low for Aberdeen on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Aberdeen history is 22 °F which happened in 1893.
Lowest Temperatures in Aberdeen on September 21
Rank Temperature Year
1 22 °F 1893
2 25 °F 1918
3 26 °F 1904
4 27 °F 1934
5 28 °F 1896
5 28 °F 1995
7 30 °F 1951
7 30 °F 1913
7 30 °F 1979
7 30 °F 1974
Lowest High Temperatures in Aberdeen on September 21
Rank Temperature Year
1 34 °F 1893
2 47 °F 1995
3 50 °F 1951
4 53 °F 1912
4 53 °F 1983
6 54 °F 1904
6 54 °F 1965
8 55 °F 2004
8 55 °F 1942
10 56 °F 2000
10 56 °F 1974
What's the most it has ever rained in Aberdeen on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Aberdeen history is 1.85 inches which happened in 1959.
All-Time Most Precipitation in Aberdeen on September 21
Rank Precipitation Year
1 1.85 inches 1959
2 1.35 inches 1977
3 1.20 inches 1924
4 0.74 inches 1965
5 0.65 inches 2006
6 0.63 inches 1973
7 0.50 inches 1941
8 0.48 inches 2008
9 0.43 inches 2009
10 0.41 inches 1989
All-Time Most Snow in Aberdeen on September 21
Rank Precipitation Year
1 0.2 inches 1995
Weather Station Details
Years Station Coordinates
1893–2024 Aberdeen location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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