Lewiston September 21 Weather Records

Daily averages and all-time records for weather in Lewiston, Idaho for the date of September 21.
September 21 All-Time Records
1894–2024
Highest temperature 102 °F 1939
Lowest temperature 29 °F 1895
Lowest daily high 47 °F 1968
Highest daily low 62 °F 1967
Most precipitation 0.50 inches 1968
Most snow none -
September 21 Average Weather
1991–2020 1
Average high 76.5 °F
Average low 50.2 °F
Chance precipitation 17.6%
Chance snow 0%
Lewiston September 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 57 48 0.19 0.0
2022 79 53 0.01 0.0
2021 81 47 0.00 0.0
2020 82 53 0.00 0.0
2019 76 55 0.04 0.0
2018 81 46 0.00 0.0
2017 61 43 0.00 0.0
2016 67 49 0.00 0.0
2015 80 58 0.00 0.0
2014 91 56 0.00 0.0
2013 71 56 0.00 0.0
2012 85 54 0.00 0.0
2011 83 49 0.00 0.0
2010 66 50 0.00 0.0
2009 78 43 0.00 0.0
2008 64 54 0.17 0.0
2007 75 43 0.00 0.0
2006 59 47 0.18 0.0
2005 74 44 0.00 n/a
2004 69 45 0.00 n/a
2003 76 46 0.00 n/a
2002 71 39 0.00 n/a
2001 81 48 0.00 n/a
2000 60 47 0.02 n/a
1999 89 54 0.00 n/a
1998 72 47 0.00 n/a
1997 79 48 0.00 n/a
1996 67 43 0.00 n/a
1995 72 43 0.00 0.0
1994 81 55 0.00 0.0
1993 64 41 0.00 0.0
1992 83 54 0.00 0.0
1991 67 49 0.00 0.0
1990 81 49 0.00 0.0
1989 81 49 0.00 0.0
1988 71 42 0.00 0.0
1987 86 51 0.00 0.0
1986 65 47 0.00 0.0
1985 66 54 0.00 0.0
1984 62 47 0.00 0.0
1983 75 37 0.00 0.0
1982 74 52 0.00 0.0
1981 69 50 0.00 0.0
1980 64 46 0.00 0.0
1979 84 59 0.00 0.0
1978 62 51 0.00 0.0
1977 60 47 0.09 0.0
1976 88 55 0.00 0.0
1975 84 43 0.00 0.0
1974 88 51 0.00 0.0
1973 70 52 0.00 0.0
1972 70 48 0.07 0.0
1971 70 38 0.00 0.0
1970 67 47 0.00 0.0
1969 70 46 0.00 0.0
1968 47 44 0.50 0.0
1967 101 62 0.00 0.0
1966 94 59 0.00 0.0
1965 79 56 0.00 0.0
1964 66 42 0.00 0.0
1963 84 52 0.00 0.0
1962 84 57 0.00 0.0
1961 62 41 0.00 0.0
1960 69 38 0.00 0.0
1959 64 48 0.07 0.0
1958 64 54 0.00 0.0
1957 79 51 0.00 0.0
1956 68 44 0.00 0.0
1955 60 40 0.00 0.0
1954 83 46 0.00 0.0
1953 86 43 0.00 0.0
1952 89 54 0.00 0.0
1951 77 42 0.00 0.0
1950 88 50 0.00 0.0
1949 79 42 0.00 0.0
1948 80 48 0.00 0.0
1947 85 45 0.00 0.0
1946 70 53 0.01 0.0
1945 60 43 0.03 0.0
1944 88 55 0.00 0.0
1943 72 50 0.00 0.0
1942 85 45 0.00 0.0
1941 66 39 0.00 0.0
1940 69 54 0.21 0.0
1939 102 53 0.00 n/a
1938 93 57 0.00 n/a
1937 73 60 0.00 n/a
1936 93 47 0.00 n/a
1935 90 48 0.00 n/a
1934 74 38 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 78 45 0.00 n/a
1898 76 61 0.03 n/a
1897 n/a n/a n/a n/a
1896 n/a n/a n/a n/a
1895 62 29 0.00 n/a
1894 78 54 0.08 n/a
What's the all-time high for Lewiston on 9/21?
For the date of Sep 21, the highest temperature ever reached in Lewiston history is 102 °F which happened in 1939.
Highest Temperatures in Lewiston on September 21
Rank Temperature Year
1 102 °F 1939
2 101 °F 1967
3 94 °F 1966
4 93 °F 1936
4 93 °F 1938
6 91 °F 2014
7 90 °F 1935
8 89 °F 1999
8 89 °F 1952
10 88 °F 1976
10 88 °F 1944
10 88 °F 1974
10 88 °F 1950
What's the all-time low for Lewiston on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Lewiston history is 29 °F which happened in 1895.
Lowest Temperatures in Lewiston on September 21
Rank Temperature Year
1 29 °F 1895
2 37 °F 1983
3 38 °F 1971
3 38 °F 1934
3 38 °F 1960
6 39 °F 2002
6 39 °F 1941
8 40 °F 1955
9 41 °F 1961
9 41 °F 1993
Lowest High Temperatures in Lewiston on September 21
Rank Temperature Year
1 47 °F 1968
2 57 °F 2023
3 59 °F 2006
4 60 °F 2000
4 60 °F 1977
4 60 °F 1955
4 60 °F 1945
8 61 °F 2017
9 62 °F 1895
9 62 °F 1978
9 62 °F 1961
9 62 °F 1984
What's the most it has ever rained in Lewiston on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Lewiston history is 0.50 inches which happened in 1968.
All-Time Most Precipitation in Lewiston on September 21
Rank Precipitation Year
1 0.50 inches 1968
2 0.21 inches 1940
3 0.19 inches 2023
4 0.18 inches 2006
5 0.17 inches 2008
6 0.09 inches 1977
7 0.08 inches 1894
8 0.07 inches 1959
8 0.07 inches 1972
10 0.04 inches 2019
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.
© H Brothers Inc, 2021–2024
Contact us | Privacy policy