Waterloo September 13 Weather Records

Daily averages and all-time records for weather in Waterloo, Iowa for the date of September 13.
September 13 All-Time Records
1895–2024
Highest temperature 97 °F 1939
Lowest temperature 31 °F 1975
Lowest daily high 50 °F 1970
Highest daily low 73 °F 1939
Most precipitation 1.60 inches 1978
Most snow none -
September 13 Average Weather
1991–2020 1
Average high 76.5 °F
Average low 52.2 °F
Chance precipitation 29.0%
Chance snow 0%
Waterloo September 13 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 74 46 0.00 0.0
2022 78 45 0.00 0.0
2021 86 64 0.44 0.0
2020 77 48 0.00 0.0
2019 72 52 0.00 0.0
2018 84 57 0.00 0.0
2017 86 53 0.00 0.0
2016 71 59 0.14 0.0
2015 73 41 0.00 0.0
2014 59 32 0.00 0.0
2013 70 41 0.00 0.0
2012 66 49 0.45 0.0
2011 72 46 0.00 0.0
2010 82 49 0.00 0.0
2009 82 50 0.00 0.0
2008 76 62 0.22 0.0
2007 81 49 0.00 0.0
2006 73 48 0.00 0.0
2005 82 56 0.09 0.0
2004 87 61 0.00 0.0
2003 66 58 0.14 0.0
2002 79 52 0.00 0.0
2001 66 49 0.02 0.0
2000 91 54 0.02 0.0
1999 66 47 0.01 0.0
1998 92 59 0.01 0.0
1997 68 55 0.09 0.0
1996 66 39 0.00 0.0
1995 88 56 0.00 0.0
1994 91 69 0.00 0.0
1993 76 50 1.02 0.0
1992 84 61 0.00 0.0
1991 85 64 0.12 0.0
1990 85 60 0.00 0.0
1989 65 45 0.03 0.0
1988 77 49 0.00 0.0
1987 73 49 0.19 0.0
1986 69 53 0.16 0.0
1985 67 42 0.00 0.0
1984 75 59 0.03 0.0
1983 70 40 0.00 0.0
1982 79 60 0.68 0.0
1981 85 49 0.00 0.0
1980 75 59 0.05 0.0
1979 69 50 0.00 0.0
1978 69 60 1.60 0.0
1977 69 48 0.00 0.0
1976 84 61 0.06 0.0
1975 65 31 0.00 0.0
1974 61 40 0.00 0.0
1973 60 55 0.33 0.0
1972 79 61 0.10 0.0
1971 82 51 0.00 0.0
1970 50 45 0.09 0.0
1969 82 57 0.00 0.0
1968 80 48 0.00 0.0
1967 77 61 0.76 0.0
1966 81 59 0.00 0.0
1965 72 56 0.00 0.0
1964 69 38 0.00 0.0
1963 63 37 0.00 0.0
1962 80 58 0.00 0.0
1961 64 53 0.22 0.0
1960 71 46 0.00 0.0
1959 83 45 0.00 0.0
1958 79 50 0.00 0.0
1957 68 48 0.04 0.0
1956 81 61 0.00 0.0
1955 71 51 0.54 0.0
1954 65 58 0.55 0.0
1953 66 33 0.00 0.0
1952 92 53 0.00 0.0
1951 75 47 0.00 0.0
1950 64 55 0.00 0.0
1949 60 43 0.00 0.0
1948 82 59 0.00 0.0
1947 81 57 0.05 0.0
1946 69 43 0.00 0.0
1945 66 41 0.00 0.0
1944 67 53 n/a 0.0
1943 58 50 0.02 0.0
1942 68 54 n/a 0.0
1941 77 54 n/a 0.0
1940 76 48 0.00 0.0
1939 97 73 0.00 0.0
1938 71 66 n/a 0.0
1937 71 43 0.00 0.0
1936 80 67 0.30 0.0
1935 82 53 0.00 0.0
1934 84 62 0.00 0.0
1933 69 55 n/a 0.0
1932 76 54 0.30 0.0
1931 90 73 n/a 0.0
1930 91 60 n/a 0.0
1929 62 50 n/a 0.0
1928 78 51 n/a 0.0
1927 95 68 0.00 0.0
1926 71 42 n/a 0.0
1925 79 53 0.00 0.0
1924 72 46 0.00 0.0
1923 62 36 0.00 0.0
1922 75 54 0.00 0.0
1921 81 55 n/a 0.0
1920 84 54 0.00 0.0
1919 76 47 0.00 0.0
1918 78 46 0.00 0.0
1917 66 48 n/a 0.0
1916 68 46 0.00 0.0
1915 87 64 0.05 0.0
1914 72 51 n/a 0.0
1913 70 41 0.00 0.0
1912 73 53 n/a 0.0
1911 77 58 n/a 0.0
1910 64 49 n/a 0.0
1909 87 65 0.94 0.0
1908 92 61 0.00 0.0
1907 83 58 0.00 0.0
1906 77 51 0.00 0.0
1905 77 51 n/a 0.0
1904 71 55 n/a 0.0
1903 79 45 0.37 0.0
1902 67 33 0.00 0.0
1901 79 47 0.00 0.0
1900 85 48 n/a 0.0
1899 72 40 n/a 0.0
1898 72 56 0.42 0.0
1897 97 65 0.00 0.0
1896 78 60 0.02 0.0
1895 75 55 n/a 0.0
What's the all-time high for Waterloo on 9/13?
For the date of Sep 13, the highest temperature ever reached in Waterloo history is 97 °F which has happened 2 times, most recently in 1939.
Highest Temperatures in Waterloo on September 13
Rank Temperature Year
1 97 °F 1939
1 97 °F 1897
3 95 °F 1927
4 92 °F 1998
4 92 °F 1952
4 92 °F 1908
7 91 °F 1930
7 91 °F 1994
7 91 °F 2000
10 90 °F 1931
What's the all-time low for Waterloo on 9/13?
For the date of Sep 13, the lowest temperature ever reached in Waterloo history is 31 °F which happened in 1975.
Lowest Temperatures in Waterloo on September 13
Rank Temperature Year
1 31 °F 1975
2 32 °F 2014
3 33 °F 1953
3 33 °F 1902
5 36 °F 1923
6 37 °F 1963
7 38 °F 1964
8 39 °F 1996
9 40 °F 1899
9 40 °F 1983
9 40 °F 1974
Lowest High Temperatures in Waterloo on September 13
Rank Temperature Year
1 50 °F 1970
2 58 °F 1943
3 59 °F 2014
4 60 °F 1949
4 60 °F 1973
6 61 °F 1974
7 62 °F 1923
7 62 °F 1929
9 63 °F 1963
10 64 °F 1950
10 64 °F 1961
10 64 °F 1910
What's the most it has ever rained in Waterloo on 9/13?
For the date of Sep 13, the most precipitation ever recorded in Waterloo history is 1.60 inches which happened in 1978.
All-Time Most Precipitation in Waterloo on September 13
Rank Precipitation Year
1 1.60 inches 1978
2 1.02 inches 1993
3 0.94 inches 1909
4 0.76 inches 1967
5 0.68 inches 1982
6 0.55 inches 1954
7 0.54 inches 1955
8 0.45 inches 2012
9 0.44 inches 2021
10 0.42 inches 1898
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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