Ann Arbor September 18 Weather Records

Daily averages and all-time records for weather in Ann Arbor, Michigan for the date of September 18.
September 18 All-Time Records
1891–2024
Highest temperature 91 °F 1906
Lowest temperature 36 °F 1900
Lowest daily high 57 °F 1929
Highest daily low 70 °F 1948
Most precipitation 1.37 inches 1949
Most snow none -
September 18 Average Weather
1991–2020 1
Average high 74.2 °F
Average low 52.7 °F
Chance precipitation 36.6%
Chance snow 0%
Ann Arbor September 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 67 49 0.03 0.0
2022 84 62 0.00 0.0
2021 82 59 0.00 0.0
2020 64 42 0.00 0.0
2019 79 51 0.00 0.0
2018 87 60 0.00 0.0
2017 80 64 0.02 0.0
2016 81 61 0.00 0.0
2015 82 62 0.03 0.0
2014 68 45 0.00 n/a
2013 75 48 0.00 n/a
2012 74 52 0.08 n/a
2011 68 48 0.00 n/a
2010 71 50 0.05 0.0
2009 75 47 0.00 0.0
2008 76 51 0.00 0.0
2007 81 50 0.00 0.0
2006 79 58 0.49 0.0
2005 80 55 0.00 0.0
2004 73 46 0.00 0.0
2003 78 58 0.00 0.0
2002 82 57 0.03 0.0
2001 74 59 0.00 0.0
2000 79 50 0.00 0.0
1999 77 44 0.00 0.0
1998 80 54 0.00 0.0
1997 79 53 0.00 0.0
1996 71 52 0.00 0.0
1995 67 43 0.00 0.0
1994 76 50 0.00 0.0
1993 68 48 0.00 0.0
1992 78 66 0.90 0.0
1991 71 54 0.00 0.0
1990 63 38 0.00 0.0
1989 74 49 0.00 0.0
1988 83 66 0.31 0.0
1987 74 63 0.29 0.0
1986 69 54 0.05 0.0
1985 75 58 0.00 0.0
1984 71 43 0.00 0.0
1983 89 56 0.00 0.0
1982 68 52 0.50 0.0
1981 61 48 0.08 0.0
1980 68 43 0.00 0.0
1979 78 53 0.00 0.0
1978 82 61 0.35 0.0
1977 77 65 0.26 0.0
1976 77 53 0.00 0.0
1975 63 57 0.41 0.0
1974 76 48 0.00 0.0
1973 64 44 0.02 0.0
1972 84 62 0.60 0.0
1971 74 52 0.00 0.0
1970 72 61 0.14 0.0
1969 68 49 0.00 0.0
1968 78 62 0.10 0.0
1967 85 59 0.00 0.0
1966 79 52 0.00 0.0
1965 89 68 0.00 0.0
1964 80 68 0.15 0.0
1963 86 57 0.00 0.0
1962 67 44 0.00 0.0
1961 75 48 0.00 0.0
1960 76 54 0.00 0.0
1959 66 40 0.00 0.0
1958 68 52 0.15 0.0
1957 76 52 0.00 0.0
1956 66 55 0.00 0.0
1955 n/a n/a n/a n/a
1954 69 60 0.18 0.0
1953 n/a 52 0.00 0.0
1952 73 59 0.29 0.0
1951 72 47 0.00 0.0
1950 77 49 0.00 0.0
1949 71 51 1.37 0.0
1948 81 70 0.00 0.0
1947 84 56 0.00 0.0
1946 86 59 0.00 0.0
1945 59 51 0.15 0.0
1944 82 60 0.00 0.0
1943 65 39 0.00 0.0
1942 85 67 0.00 0.0
1941 75 51 0.00 0.0
1940 76 52 0.00 0.0
1939 69 45 0.00 0.0
1938 65 54 0.00 0.0
1937 63 45 0.11 0.0
1936 68 45 0.00 0.0
1935 89 62 0.00 0.0
1934 70 47 0.00 0.0
1933 76 60 0.00 0.0
1932 66 42 0.00 0.0
1931 71 54 0.00 0.0
1930 79 48 0.00 n/a
1929 57 38 0.00 n/a
1928 66 44 0.00 n/a
1927 78 n/a 0.89 n/a
1926 76 56 0.00 n/a
1925 83 67 0.04 n/a
1924 70 45 0.00 n/a
1923 68 55 0.32 0.0
1922 65 45 0.00 0.0
1921 68 54 0.00 0.0
1920 80 53 0.00 n/a
1919 77 49 0.00 n/a
1918 61 43 0.00 n/a
1917 75 51 0.00 n/a
1916 57 37 0.00 n/a
1915 73 59 0.16 n/a
1914 81 53 0.00 n/a
1913 71 53 0.00 n/a
1912 72 59 0.32 n/a
1911 82 61 0.02 n/a
1910 74 56 0.36 n/a
1909 72 48 0.00 n/a
1908 88 50 0.00 n/a
1907 73 61 0.45 n/a
1906 91 60 0.00 0.0
1905 84 60 0.02 n/a
1904 76 61 0.46 n/a
1903 59 40 0.00 n/a
1902 64 50 0.41 n/a
1901 58 39 0.00 n/a
1900 73 36 0.00 n/a
1899 66 54 1.34 n/a
1898 81 61 0.00 n/a
1897 73 43 0.00 n/a
1896 68 49 0.00 n/a
1895 86 61 0.00 n/a
1894 69 53 n/a n/a
1893 79 53 0.06 n/a
1892 75 50 0.00 n/a
What's the all-time high for Ann Arbor on 9/18?
For the date of Sep 18, the highest temperature ever reached in Ann Arbor history is 91 °F which happened in 1906.
Highest Temperatures in Ann Arbor on September 18
Rank Temperature Year
1 91 °F 1906
2 89 °F 1935
2 89 °F 1983
2 89 °F 1965
5 88 °F 1908
6 87 °F 2018
7 86 °F 1963
7 86 °F 1895
7 86 °F 1946
10 85 °F 1942
10 85 °F 1967
What's the all-time low for Ann Arbor on 9/18?
For the date of Sep 18, the lowest temperature ever reached in Ann Arbor history is 36 °F which happened in 1900.
Lowest Temperatures in Ann Arbor on September 18
Rank Temperature Year
1 36 °F 1900
2 37 °F 1916
3 38 °F 1929
3 38 °F 1990
5 39 °F 1901
5 39 °F 1943
7 40 °F 1903
7 40 °F 1959
9 42 °F 1932
9 42 °F 2020
Lowest High Temperatures in Ann Arbor on September 18
Rank Temperature Year
1 57 °F 1916
1 57 °F 1929
3 58 °F 1901
4 59 °F 1945
4 59 °F 1903
6 61 °F 1981
6 61 °F 1918
8 63 °F 1990
8 63 °F 1975
8 63 °F 1937
What's the most it has ever rained in Ann Arbor on 9/18?
For the date of Sep 18, the most precipitation ever recorded in Ann Arbor history is 1.37 inches which happened in 1949.
All-Time Most Precipitation in Ann Arbor on September 18
Rank Precipitation Year
1 1.37 inches 1949
2 1.34 inches 1899
3 0.90 inches 1992
4 0.89 inches 1927
5 0.60 inches 1972
6 0.50 inches 1982
7 0.49 inches 2006
8 0.46 inches 1904
9 0.45 inches 1907
10 0.41 inches 1902
10 0.41 inches 1975
Weather Station Details
Years Station Coordinates
1891–2024 University of Michigan location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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