Lewiston September 17 Weather Records

Daily averages and all-time records for weather in Lewiston, Idaho for the date of September 17.
September 17 All-Time Records
1894–2024
Highest temperature 99 °F 1981
Lowest temperature 28 °F 1965
Lowest daily high 54 °F 1978
Highest daily low 62 °F 1998
Most precipitation 0.65 inches 1947
Most snow none -
September 17 Average Weather
1991–2020 1
Average high 78.6 °F
Average low 51.6 °F
Chance precipitation 16.1%
Chance snow 0%
Lewiston September 17 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 91 57 0.00 0.0
2022 79 48 0.05 0.0
2021 78 49 0.00 0.0
2020 79 52 0.00 0.0
2019 74 52 0.00 0.0
2018 72 51 0.00 0.0
2017 78 48 0.03 0.0
2016 66 58 0.12 0.0
2015 64 53 0.10 0.0
2014 89 58 0.00 0.0
2013 71 54 0.31 0.0
2012 86 52 0.00 0.0
2011 72 48 0.00 0.0
2010 82 60 0.00 0.0
2009 79 58 0.00 0.0
2008 93 56 0.00 0.0
2007 73 56 0.01 0.0
2006 72 42 0.00 0.0
2005 68 46 0.00 n/a
2004 66 53 0.00 n/a
2003 65 45 0.06 n/a
2002 66 54 0.11 n/a
2001 87 60 0.00 n/a
2000 83 56 0.00 n/a
1999 84 50 0.00 n/a
1998 87 62 0.00 n/a
1997 60 48 0.16 n/a
1996 68 48 0.02 n/a
1995 87 60 0.00 0.0
1994 90 55 0.00 0.0
1993 74 44 0.00 0.0
1992 70 48 0.00 0.0
1991 81 51 0.00 0.0
1990 80 56 0.00 0.0
1989 66 54 0.25 0.0
1988 60 47 0.03 0.0
1987 75 42 0.00 0.0
1986 69 47 0.00 0.0
1985 57 47 0.17 0.0
1984 90 53 0.00 0.0
1983 68 50 0.00 0.0
1982 85 48 0.00 0.0
1981 99 61 0.00 0.0
1980 86 49 0.00 0.0
1979 89 55 0.00 0.0
1978 54 41 0.06 0.0
1977 71 45 0.00 0.0
1976 79 59 0.02 0.0
1975 72 51 0.00 0.0
1974 88 49 0.00 0.0
1973 80 48 0.00 0.0
1972 81 61 0.00 0.0
1971 70 42 0.00 0.0
1970 76 47 0.00 0.0
1969 83 53 0.00 0.0
1968 62 52 0.11 0.0
1967 87 51 0.00 0.0
1966 88 57 0.00 0.0
1965 57 28 0.00 0.0
1964 69 48 0.25 0.0
1963 71 43 0.00 0.0
1962 85 47 0.00 0.0
1961 79 54 0.00 0.0
1960 81 49 0.00 0.0
1959 73 41 0.00 0.0
1958 73 50 0.00 0.0
1957 78 50 0.00 0.0
1956 87 51 0.00 0.0
1955 67 46 0.00 0.0
1954 60 45 0.07 0.0
1953 74 45 0.00 0.0
1952 87 48 0.00 0.0
1951 84 57 0.00 0.0
1950 80 43 0.00 0.0
1949 69 42 0.00 0.0
1948 70 52 0.01 0.0
1947 n/a 48 0.65 0.0
1946 70 48 0.35 0.0
1945 68 50 0.00 0.0
1944 72 50 0.02 0.0
1943 92 50 0.00 0.0
1942 72 49 0.06 0.0
1941 78 50 0.00 0.0
1940 76 57 0.28 0.0
1939 89 49 0.00 n/a
1938 96 54 0.00 n/a
1937 95 57 0.00 n/a
1936 77 38 0.00 n/a
1935 78 45 0.00 n/a
1934 91 48 0.00 0.0
1933 n/a n/a n/a n/a
1932 n/a n/a n/a n/a
1931 n/a n/a n/a n/a
1930 n/a n/a n/a n/a
1929 n/a n/a n/a n/a
1928 n/a n/a n/a n/a
1927 n/a n/a n/a n/a
1926 n/a n/a n/a n/a
1925 n/a n/a n/a n/a
1924 n/a n/a n/a n/a
1923 n/a n/a n/a n/a
1922 n/a n/a n/a n/a
1921 n/a n/a n/a n/a
1920 n/a n/a n/a n/a
1919 n/a n/a n/a n/a
1918 n/a n/a n/a n/a
1917 n/a n/a n/a n/a
1916 n/a n/a n/a n/a
1915 n/a n/a n/a n/a
1914 n/a n/a n/a n/a
1913 n/a n/a n/a n/a
1912 n/a n/a n/a n/a
1911 n/a n/a n/a n/a
1910 n/a n/a n/a n/a
1909 n/a n/a n/a n/a
1908 n/a n/a n/a n/a
1907 n/a n/a n/a n/a
1906 n/a n/a n/a n/a
1905 n/a n/a n/a n/a
1904 n/a n/a n/a n/a
1903 n/a n/a n/a n/a
1902 n/a n/a n/a n/a
1901 n/a n/a n/a n/a
1900 n/a n/a n/a n/a
1899 82 50 0.00 n/a
1898 88 60 0.00 n/a
1897 n/a n/a n/a n/a
1896 n/a n/a n/a n/a
1895 74 40 0.00 n/a
1894 81 43 0.00 n/a
What's the all-time high for Lewiston on 9/17?
For the date of Sep 17, the highest temperature ever reached in Lewiston history is 99 °F which happened in 1981.
Highest Temperatures in Lewiston on September 17
Rank Temperature Year
1 99 °F 1981
2 96 °F 1938
3 95 °F 1937
4 93 °F 2008
5 92 °F 1943
6 91 °F 2023
6 91 °F 1934
8 90 °F 1984
8 90 °F 1994
10 89 °F 1939
10 89 °F 2014
10 89 °F 1979
What's the all-time low for Lewiston on 9/17?
For the date of Sep 17, the lowest temperature ever reached in Lewiston history is 28 °F which happened in 1965.
Lowest Temperatures in Lewiston on September 17
Rank Temperature Year
1 28 °F 1965
2 38 °F 1936
3 40 °F 1895
4 41 °F 1959
4 41 °F 1978
6 42 °F 1971
6 42 °F 2006
6 42 °F 1987
6 42 °F 1949
10 43 °F 1963
10 43 °F 1950
10 43 °F 1894
Lowest High Temperatures in Lewiston on September 17
Rank Temperature Year
1 54 °F 1978
2 57 °F 1965
2 57 °F 1985
4 60 °F 1954
4 60 °F 1997
4 60 °F 1988
7 62 °F 1968
8 64 °F 2015
9 65 °F 2003
10 66 °F 2016
10 66 °F 1989
10 66 °F 2002
10 66 °F 2004
What's the most it has ever rained in Lewiston on 9/17?
For the date of Sep 17, the most precipitation ever recorded in Lewiston history is 0.65 inches which happened in 1947.
All-Time Most Precipitation in Lewiston on September 17
Rank Precipitation Year
1 0.65 inches 1947
2 0.35 inches 1946
3 0.31 inches 2013
4 0.28 inches 1940
5 0.25 inches 1989
5 0.25 inches 1964
7 0.17 inches 1985
8 0.16 inches 1997
9 0.12 inches 2016
10 0.11 inches 2002
10 0.11 inches 1968
Weather Station Details
Years Station Coordinates
1948–2024 Lewiston Nez Perce County Airport location
1894–1947 Lewiston WTP location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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