Waterloo September 9 Weather Records

Daily averages and all-time records for weather in Waterloo, Iowa for the date of September 9.
September 9 All-Time Records
1895–2024
Highest temperature 99 °F 2013
Lowest temperature 35 °F 1924
Lowest daily high 51 °F 2020
Highest daily low 72 °F 1947
Most precipitation 1.56 inches 2019
Most snow none -
September 9 Average Weather
1991–2020 1
Average high 77.8 °F
Average low 53.9 °F
Chance precipitation 29.4%
Chance snow 0%
Waterloo September 9 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 86 48 0.00 0.0
2022 86 62 0.00 0.0
2021 78 50 0.00 0.0
2020 51 47 0.92 0.0
2019 78 61 1.56 0.0
2018 73 49 0.00 0.0
2017 81 50 0.00 0.0
2016 77 61 0.92 0.0
2015 80 51 0.00 0.0
2014 76 63 0.55 0.0
2013 99 68 0.00 0.0
2012 75 48 0.00 0.0
2011 79 55 0.00 0.0
2010 74 57 0.00 0.0
2009 80 52 0.00 0.0
2008 68 38 0.00 0.0
2007 70 56 0.00 0.0
2006 63 56 0.00 0.0
2005 88 62 0.00 0.0
2004 77 46 0.00 0.0
2003 87 53 0.00 0.0
2002 91 68 0.00 0.0
2001 68 50 0.01 0.0
2000 90 67 0.00 0.0
1999 68 46 0.00 0.0
1998 75 42 0.00 0.0
1997 75 54 0.00 0.0
1996 80 57 0.00 0.0
1995 71 41 0.00 0.0
1994 88 59 0.00 0.0
1993 74 52 0.00 0.0
1992 75 46 0.04 0.0
1991 86 68 0.00 0.0
1990 82 64 0.00 0.0
1989 65 49 0.12 0.0
1988 85 37 0.00 0.0
1987 75 42 0.00 0.0
1986 70 54 0.26 0.0
1985 73 61 0.00 0.0
1984 71 51 0.00 0.0
1983 94 71 0.00 0.0
1982 82 61 0.00 0.0
1981 82 46 0.00 0.0
1980 77 49 0.02 0.0
1979 84 60 0.00 0.0
1978 93 61 0.00 0.0
1977 71 49 0.10 0.0
1976 70 42 0.00 0.0
1975 72 48 0.17 0.0
1974 82 58 0.00 0.0
1973 64 59 0.24 0.0
1972 72 44 0.00 0.0
1971 77 58 0.25 0.0
1970 89 54 1.26 0.0
1969 66 37 0.00 0.0
1968 63 48 0.01 0.0
1967 74 44 0.00 0.0
1966 79 52 0.00 0.0
1965 88 65 0.04 0.0
1964 87 69 0.00 0.0
1963 84 62 0.00 0.0
1962 66 56 0.30 0.0
1961 89 68 0.00 0.0
1960 73 47 0.00 0.0
1959 80 52 0.00 0.0
1958 84 59 0.00 0.0
1957 76 50 0.00 0.0
1956 68 48 0.02 0.0
1955 98 61 0.00 0.0
1954 66 56 0.25 0.0
1953 77 58 0.00 0.0
1952 90 54 0.00 0.0
1951 68 62 0.00 0.0
1950 84 49 0.00 0.0
1949 75 41 0.00 0.0
1948 76 44 0.00 0.0
1947 94 72 n/a 0.0
1946 82 67 0.05 0.0
1945 83 54 n/a 0.0
1944 80 58 n/a 0.0
1943 66 41 n/a 0.0
1942 75 63 n/a 0.0
1941 74 57 0.18 0.0
1940 75 56 n/a 0.0
1939 79 61 n/a 0.0
1938 92 71 n/a 0.0
1937 92 58 n/a 0.0
1936 82 64 n/a 0.0
1935 75 46 0.00 0.0
1934 77 48 0.00 0.0
1933 95 68 0.00 0.0
1932 80 55 0.00 0.0
1931 95 68 0.00 0.0
1930 81 55 0.00 0.0
1929 75 62 n/a 0.0
1928 90 60 n/a 0.0
1927 91 71 0.00 0.0
1926 70 46 0.00 0.0
1925 83 64 1.30 0.0
1924 67 35 0.00 0.0
1923 77 46 0.00 0.0
1922 79 56 n/a 0.0
1921 84 63 0.40 0.0
1920 77 61 n/a 0.0
1919 89 68 n/a 0.0
1918 69 54 n/a 0.0
1917 62 49 n/a 0.0
1916 79 55 0.00 0.0
1915 85 53 0.62 0.0
1914 70 44 n/a 0.0
1913 74 55 0.00 0.0
1912 93 68 0.00 0.0
1911 66 53 n/a 0.0
1910 77 43 0.00 0.0
1909 68 60 0.05 0.0
1908 86 56 0.00 0.0
1907 70 44 0.00 0.0
1906 93 65 0.00 0.0
1905 75 57 0.00 0.0
1904 80 57 0.00 0.0
1903 83 56 0.00 0.0
1902 69 45 0.00 0.0
1901 62 54 0.40 0.0
1900 90 64 0.00 0.0
1899 80 46 n/a 0.0
1898 58 46 n/a 0.0
1897 96 66 n/a 0.0
1896 84 64 n/a 0.0
1895 87 60 0.00 0.0
What's the all-time high for Waterloo on 9/9?
For the date of Sep 9, the highest temperature ever reached in Waterloo history is 99 °F which happened in 2013.
Highest Temperatures in Waterloo on September 9
Rank Temperature Year
1 99 °F 2013
2 98 °F 1955
3 96 °F 1897
4 95 °F 1933
4 95 °F 1931
6 94 °F 1983
6 94 °F 1947
8 93 °F 1978
8 93 °F 1906
8 93 °F 1912
What's the all-time low for Waterloo on 9/9?
For the date of Sep 9, the lowest temperature ever reached in Waterloo history is 35 °F which happened in 1924.
Lowest Temperatures in Waterloo on September 9
Rank Temperature Year
1 35 °F 1924
2 37 °F 1969
2 37 °F 1988
4 38 °F 2008
5 41 °F 1943
5 41 °F 1949
5 41 °F 1995
8 42 °F 1987
8 42 °F 1998
8 42 °F 1976
Lowest High Temperatures in Waterloo on September 9
Rank Temperature Year
1 51 °F 2020
2 58 °F 1898
3 62 °F 1901
3 62 °F 1917
5 63 °F 2006
5 63 °F 1968
7 64 °F 1973
8 65 °F 1989
9 66 °F 1954
9 66 °F 1962
9 66 °F 1943
9 66 °F 1969
9 66 °F 1911
What's the most it has ever rained in Waterloo on 9/9?
For the date of Sep 9, the most precipitation ever recorded in Waterloo history is 1.56 inches which happened in 2019.
All-Time Most Precipitation in Waterloo on September 9
Rank Precipitation Year
1 1.56 inches 2019
2 1.30 inches 1925
3 1.26 inches 1970
4 0.92 inches 2020
4 0.92 inches 2016
6 0.62 inches 1915
7 0.55 inches 2014
8 0.40 inches 1921
8 0.40 inches 1901
10 0.30 inches 1962
Weather Station Details
Years Station Coordinates
1950–2024 Waterloo Municipal Airport location
1895–1950 Waterloo location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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