Cedar Rapids September 21 Weather Records

Daily averages and all-time records for weather in Cedar Rapids, Iowa for the date of September 21.
September 21 All-Time Records
1892–2024
Highest temperature 94 °F 2022
Lowest temperature 34 °F 1991
Lowest daily high 51 °F 1913
Highest daily low 73 °F 1895
Most precipitation 2.11 inches 1965
Most snow none -
September 21 Average Weather
1991–2020 1
Average high 74.8 °F
Average low 51.8 °F
Chance precipitation 30.5%
Chance snow 0.1%
Cedar Rapids September 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 78 55 0.00 0.0
2022 94 68 0.00 0.0
2021 81 55 0.32 0.0
2020 77 46 0.00 0.0
2019 85 70 0.18 0.0
2018 89 59 0.12 0.0
2017 94 68 0.00 0.0
2016 87 68 0.00 0.0
2015 75 47 0.00 0.0
2014 77 54 0.00 0.0
2013 69 47 0.00 0.0
2012 67 44 0.02 0.0
2011 77 52 0.00 0.0
2010 83 64 0.76 0.0
2009 74 52 0.13 0.0
2008 82 53 0.00 0.0
2007 87 67 0.00 0.0
2006 67 47 0.00 0.0
2005 91 60 0.00 0.0
2004 84 58 0.00 0.0
2003 69 59 0.20 0.0
2002 71 53 0.00 0.0
2001 69 55 0.03 0.0
2000 64 39 0.00 0.0
1999 64 35 0.00 0.0
1998 77 51 0.00 0.0
1997 65 41 0.00 0.0
1996 71 58 0.00 0.0
1995 52 42 0.04 0.0
1994 83 58 0.00 0.0
1993 69 55 0.00 0.0
1992 62 55 0.18 0.0
1991 67 34 0.00 0.0
1990 69 60 0.14 0.0
1989 78 52 0.00 0.0
1988 70 43 0.06 0.0
1987 65 47 0.11 0.0
1986 86 62 0.00 0.0
1985 61 49 0.43 0.0
1984 85 54 0.00 0.0
1983 53 37 0.00 0.0
1982 61 36 0.00 0.0
1981 73 55 0.00 0.0
1980 84 61 0.00 0.0
1979 78 46 0.00 0.0
1978 65 50 0.00 0.0
1977 73 50 0.00 0.0
1976 66 46 0.00 0.0
1975 55 48 0.00 0.0
1974 63 42 0.00 0.0
1973 71 49 0.01 0.0
1972 74 52 0.00 0.0
1971 73 45 0.00 0.0
1970 81 72 0.00 0.0
1969 74 47 0.00 0.0
1968 79 55 0.00 0.0
1967 72 58 0.23 0.0
1966 76 45 0.00 0.0
1965 73 60 2.11 0.0
1964 73 58 0.15 0.0
1963 70 48 0.00 0.0
1962 70 39 0.00 0.0
1961 77 60 0.01 0.0
1960 73 54 0.00 0.0
1959 80 66 0.00 0.0
1958 76 56 0.02 0.0
1957 67 54 0.56 0.0
1956 n/a n/a 0.00 0.0
1955 76 53 0.43 0.0
1954 70 46 0.00 0.0
1953 61 43 0.02 0.0
1952 70 37 0.00 0.0
1951 73 50 0.00 0.0
1950 69 58 1.66 0.0
1949 69 53 0.00 0.0
1948 74 58 1.30 0.0
1947 74 56 0.76 0.0
1946 78 52 0.00 0.0
1945 68 44 0.00 0.0
1944 76 52 0.00 0.0
1943 72 39 0.00 0.0
1942 71 40 0.00 0.0
1941 87 66 0.00 0.0
1940 92 60 0.00 0.0
1939 77 37 0.00 0.0
1938 70 40 0.00 0.0
1937 90 50 0.00 0.0
1936 84 49 0.00 0.0
1935 79 57 0.35 0.0
1934 54 43 0.56 0.0
1933 79 40 0.00 0.0
1932 74 43 0.00 0.0
1931 76 66 1.02 0.0
1930 83 48 0.00 0.0
1929 72 53 0.00 0.0
1928 70 48 0.04 0.0
1927 61 45 0.00 0.0
1926 86 60 0.00 0.0
1925 69 45 0.00 0.0
1924 91 48 0.01 0.0
1923 72 49 0.00 0.0
1922 77 51 0.00 0.0
1921 78 56 0.00 0.0
1920 93 66 0.00 0.0
1919 86 58 0.50 0.0
1918 63 36 0.00 0.0
1917 65 52 0.00 0.0
1916 86 49 0.00 0.0
1915 63 40 0.00 0.0
1914 87 65 0.00 0.0
1913 51 41 0.00 0.0
1912 62 46 0.67 0.0
1911 63 51 0.46 0.0
1910 78 54 0.00 0.0
1909 86 60 0.00 0.0
1908 90 58 0.00 0.0
1907 70 48 0.00 0.0
1906 83 60 0.00 0.0
1905 82 51 0.00 0.0
1904 65 40 0.00 0.0
1903 80 57 0.00 0.0
1902 71 60 0.26 0.0
1901 74 40 0.00 0.0
1900 73 46 0.00 0.0
1899 83 44 0.00 0.0
1898 86 58 0.52 0.0
1897 75 41 0.00 0.0
1896 70 42 0.00 0.0
1895 89 73 0.00 0.0
1894 75 58 0.31 0.0
1893 90 67 0.42 n/a
1892 n/a n/a 0.00 n/a
What's the all-time high for Cedar Rapids on 9/21?
For the date of Sep 21, the highest temperature ever reached in Cedar Rapids history is 94 °F which has happened 2 times, most recently in 2022.
Highest Temperatures in Cedar Rapids on September 21
Rank Temperature Year
1 94 °F 2022
1 94 °F 2017
3 93 °F 1920
4 92 °F 1940
5 91 °F 1924
5 91 °F 2005
7 90 °F 1937
7 90 °F 1908
7 90 °F 1893
10 89 °F 1895
10 89 °F 2018
What's the all-time low for Cedar Rapids on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Cedar Rapids history is 34 °F which happened in 1991.
Lowest Temperatures in Cedar Rapids on September 21
Rank Temperature Year
1 34 °F 1991
2 35 °F 1999
3 36 °F 1982
3 36 °F 1918
5 37 °F 1939
5 37 °F 1983
5 37 °F 1952
8 39 °F 1943
8 39 °F 1962
8 39 °F 2000
Lowest High Temperatures in Cedar Rapids on September 21
Rank Temperature Year
1 51 °F 1913
2 52 °F 1995
3 53 °F 1983
4 54 °F 1934
5 55 °F 1975
6 61 °F 1985
6 61 °F 1982
6 61 °F 1927
6 61 °F 1953
10 62 °F 1912
10 62 °F 1992
What's the most it has ever rained in Cedar Rapids on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Cedar Rapids history is 2.11 inches which happened in 1965.
All-Time Most Precipitation in Cedar Rapids on September 21
Rank Precipitation Year
1 2.11 inches 1965
2 1.66 inches 1950
3 1.30 inches 1948
4 1.02 inches 1931
5 0.76 inches 1947
5 0.76 inches 2010
7 0.67 inches 1912
8 0.56 inches 1934
8 0.56 inches 1957
10 0.52 inches 1898
Weather Station Details
Years Station Coordinates
1892–2024 Cedar Rapids #1 location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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