Ames September 18 Weather Records

Daily averages and all-time records for weather in Ames, Iowa for the date of September 18.
September 18 All-Time Records
1893–2024
Highest temperature 94 °F 1955
Lowest temperature 31 °F 1929
Lowest daily high 50 °F 1959
Highest daily low 71 °F 1948
Most precipitation 3.02 inches 1900
September 18 Average Weather
1991–2020 1
Average high 75.4 °F
Average low 50.6 °F
Chance precipitation 31.2%
Ames September 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 82 42 0.06 0.0
2022 83 62 0.00 n/a
2021 87 50 0.00 n/a
2020 69 45 0.00 n/a
2019 86 69 0.10 n/a
2018 81 64 0.24 n/a
2017 71 51 0.24 n/a
2016 84 51 0.00 n/a
2015 70 51 0.58 n/a
2014 73 45 0.00 n/a
2013 90 64 0.07 n/a
2012 66 41 0.00 n/a
2011 61 55 0.43 n/a
2010 65 48 0.42 n/a
2009 82 46 0.00 n/a
2008 80 52 0.00 n/a
2007 76 61 0.69 n/a
2006 59 43 0.00 n/a
2005 85 61 0.00 n/a
2004 80 56 0.00 n/a
2003 74 49 0.14 n/a
2002 82 64 0.92 n/a
2001 60 52 0.10 n/a
2000 92 55 0.00 n/a
1999 80 40 0.00 n/a
1998 84 58 0.00 0.0
1997 88 57 0.00 0.0
1996 68 43 0.00 0.0
1995 70 51 0.36 0.0
1994 79 52 0.00 0.0
1993 64 53 0.06 0.0
1992 80 56 0.12 0.0
1991 63 40 0.11 0.0
1990 63 53 0.89 0.0
1989 81 55 0.00 0.0
1988 87 70 0.03 0.0
1987 72 55 0.00 0.0
1986 76 62 0.00 0.0
1985 89 67 0.00 0.0
1984 81 50 0.00 0.0
1983 85 62 0.00 0.0
1982 68 42 0.00 0.0
1981 70 37 0.00 0.0
1980 75 46 0.00 0.0
1979 78 51 0.00 0.0
1978 84 61 0.50 0.0
1977 79 63 0.13 0.0
1976 81 50 0.00 0.0
1975 71 56 0.00 0.0
1974 82 50 0.00 0.0
1973 62 37 0.00 0.0
1972 89 62 0.00 0.0
1971 65 48 0.01 0.0
1970 69 47 0.00 0.0
1969 69 54 0.00 0.0
1968 63 53 0.04 0.0
1967 72 59 0.05 0.0
1966 73 45 0.00 0.0
1965 74 52 0.92 0.0
1963 86 61 0.00 0.0
1962 79 43 0.00 0.0
1961 76 50 0.00 0.0
1960 77 57 0.30 0.0
1959 50 40 0.33 0.0
1958 73 43 0.00 0.0
1957 80 47 0.00 0.0
1956 76 43 0.00 0.0
1955 94 66 0.00 0.0
1954 88 63 0.00 0.0
1953 85 56 0.18 0.0
1952 66 55 0.00 0.0
1951 78 44 0.00 0.0
1950 87 61 0.00 0.0
1949 79 46 0.00 0.0
1948 94 71 0.00 0.0
1947 92 67 0.00 0.0
1946 80 54 n/a 0.0
1945 80 58 0.06 0.0
1944 84 61 0.00 0.0
1943 72 45 0.00 0.0
1942 78 55 0.04 0.0
1941 79 52 0.00 0.0
1940 86 68 0.00 0.0
1939 77 48 0.00 0.0
1938 53 43 0.00 0.0
1937 84 56 0.00 0.0
1936 71 47 0.00 0.0
1935 88 64 0.00 0.0
1934 74 48 0.00 0.0
1933 89 51 0.00 0.0
1932 89 51 0.03 0.0
1931 74 59 0.96 0.0
1930 94 53 0.00 0.0
1929 58 31 0.00 0.0
1928 72 42 0.00 0.0
1927 76 51 0.55 0.0
1926 82 69 2.30 0.0
1925 84 66 0.00 0.0
1924 70 49 0.00 0.0
1923 70 56 0.00 0.0
1922 61 50 0.89 0.0
1921 70 45 0.00 0.0
1920 87 56 0.00 0.0
1919 80 47 2.05 0.0
1918 52 39 0.15 0.0
1917 79 45 0.00 0.0
1916 68 31 0.00 0.0
1915 80 61 0.00 0.0
1914 82 63 0.00 0.0
1913 72 52 0.00 0.0
1912 57 41 0.00 0.0
1911 90 52 0.02 0.0
1910 83 53 0.00 0.0
1909 83 55 0.00 0.0
1908 82 55 0.00 0.0
1907 90 70 0.00 0.0
1906 75 63 0.02 0.0
1905 72 63 1.20 0.0
1904 77 56 0.00 0.0
1903 66 34 0.00 0.0
1902 70 39 0.00 0.0
1901 57 35 0.00 0.0
1900 58 47 3.02 0.0
1899 59 40 0.00 0.0
1898 86 58 0.00 0.0
1897 81 45 0.00 0.0
1896 70 34 0.20 0.0
1895 91 64 0.00 0.0
1894 74 31 0.00 0.0
1893 88 39 0.07 0.0
What's the all-time high for Ames on 9/18?
For the date of Sep 18, the highest temperature ever reached in Ames history is 94 °F which has happened 3 times, most recently in 1955.
Highest Temperatures in Ames on September 18
Rank Temperature Year
1 94 °F 1948
1 94 °F 1955
1 94 °F 1930
4 92 °F 2000
4 92 °F 1947
6 91 °F 1895
7 90 °F 1911
7 90 °F 2013
7 90 °F 1907
10 89 °F 1985
10 89 °F 1933
10 89 °F 1972
10 89 °F 1932
What's the all-time low for Ames on 9/18?
For the date of Sep 18, the lowest temperature ever reached in Ames history is 31 °F which has happened 3 times, most recently in 1929.
Lowest Temperatures in Ames on September 18
Rank Temperature Year
1 31 °F 1929
1 31 °F 1894
1 31 °F 1916
4 34 °F 1896
4 34 °F 1903
6 35 °F 1901
7 37 °F 1973
7 37 °F 1981
9 39 °F 1893
9 39 °F 1902
9 39 °F 1918
Lowest High Temperatures in Ames on September 18
Rank Temperature Year
1 50 °F 1959
2 52 °F 1918
3 53 °F 1938
4 57 °F 1901
4 57 °F 1912
6 58 °F 1929
6 58 °F 1900
8 59 °F 2006
8 59 °F 1899
10 60 °F 2001
What's the most it has ever rained in Ames on 9/18?
For the date of Sep 18, the most precipitation ever recorded in Ames history is 3.02 inches which happened in 1900.
All-Time Most Precipitation in Ames on September 18
Rank Precipitation Year
1 3.02 inches 1900
2 2.30 inches 1926
3 2.05 inches 1919
4 1.20 inches 1905
5 0.96 inches 1931
6 0.92 inches 1965
6 0.92 inches 2002
8 0.89 inches 1922
8 0.89 inches 1990
10 0.69 inches 2007
Weather Station Details
Years Station Coordinates
1999–2024 Ames Municipal Airport location
1964–1998 Ames 8 WSW location
1893–1964 Ames 3 Sw location