Grand Junction September 20 Weather Records

Daily averages and all-time records for weather in Grand Junction, Colorado for the date of September 20.
September 20 All-Time Records
1900–2024
Highest temperature 91 °F 1935
Lowest temperature 29 °F 1978
Lowest daily high 50 °F 1965
Highest daily low 68 °F 2010
Most precipitation 0.68 inches 1969
Most snow none -
September 20 Average Weather
1991–2020 1
Average high 79.2 °F
Average low 50.9 °F
Chance precipitation 23.1%
Chance snow 0.1%
Grand Junction September 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 83 54 0.00 0.0
2022 72 59 0.04 0.0
2021 72 50 0.00 0.0
2020 85 55 0.00 0.0
2019 82 47 0.00 0.0
2018 83 56 0.00 0.0
2017 82 46 0.00 0.0
2016 82 55 0.01 0.0
2015 81 46 0.00 0.0
2014 90 57 0.00 0.0
2013 80 47 0.00 0.0
2012 83 48 0.00 0.0
2011 83 52 0.00 0.0
2010 90 68 0.00 0.0
2009 70 50 0.14 0.0
2008 82 56 0.00 0.0
2007 84 57 0.00 0.0
2006 71 46 0.20 0.0
2005 88 48 0.04 0.0
2004 67 49 0.07 0.0
2003 80 42 0.00 0.0
2002 74 46 0.00 0.0
2001 87 52 0.00 0.0
2000 77 56 0.00 0.0
1999 71 49 0.00 0.0
1998 83 56 0.00 0.0
1997 78 56 0.43 0.0
1996 68 43 0.00 0.0
1995 83 51 0.00 0.0
1994 76 55 0.07 0.0
1993 82 46 0.00 0.0
1992 73 51 0.24 0.0
1991 82 50 0.00 0.0
1990 67 47 0.00 0.0
1989 70 54 0.01 0.0
1988 83 48 0.00 0.0
1987 81 44 0.00 0.0
1986 80 66 0.00 0.0
1985 67 47 0.00 0.0
1984 86 61 0.00 0.0
1983 66 44 0.00 0.0
1982 76 57 0.23 0.0
1981 87 58 0.00 0.0
1980 80 51 0.00 0.0
1979 80 55 0.00 0.0
1978 59 29 0.00 0.0
1977 86 57 0.00 0.0
1976 84 52 0.00 0.0
1975 78 42 0.00 0.0
1974 85 50 0.00 0.0
1973 88 56 0.00 0.0
1972 70 45 0.00 0.0
1971 65 39 0.00 0.0
1970 82 51 0.00 0.0
1969 81 58 0.68 0.0
1968 83 53 0.00 0.0
1967 78 45 0.00 0.0
1966 87 51 0.00 0.0
1965 50 41 0.13 0.0
1964 72 43 0.00 0.0
1963 78 55 0.19 0.0
1962 73 59 0.13 0.0
1961 65 46 0.00 0.0
1960 82 55 0.00 0.0
1959 71 50 0.00 0.0
1958 85 53 0.00 0.0
1957 63 43 0.09 0.0
1956 90 57 0.00 0.0
1955 73 51 0.00 0.0
1954 80 46 0.00 0.0
1953 86 52 0.00 0.0
1952 75 53 0.01 0.0
1951 87 52 0.01 0.0
1950 65 42 0.00 0.0
1949 87 49 0.00 0.0
1948 77 46 0.00 0.0
1947 80 56 0.00 0.0
1946 75 40 0.00 0.0
1945 79 40 0.00 0.0
1944 82 47 0.00 0.0
1943 81 48 0.00 0.0
1942 76 41 0.00 0.0
1941 85 65 0.00 0.0
1940 74 56 0.05 0.0
1939 85 58 0.00 0.0
1938 84 55 0.00 0.0
1937 88 66 0.00 0.0
1936 88 52 0.00 0.0
1935 91 58 0.00 0.0
1934 72 55 0.11 0.0
1933 88 58 0.00 0.0
1932 83 51 0.00 0.0
1931 68 44 0.00 0.0
1930 89 55 0.00 0.0
1929 68 58 0.17 0.0
1928 77 55 0.00 0.0
1927 85 54 0.00 0.0
1926 91 56 0.00 0.0
1925 81 58 0.00 0.0
1924 70 41 0.07 0.0
1923 74 44 0.00 0.0
1922 85 53 0.00 0.0
1921 69 48 0.00 0.0
1920 84 61 0.05 0.0
1919 84 53 0.00 0.0
1918 88 53 0.00 0.0
1917 82 52 0.00 0.0
1916 84 52 0.00 0.0
1915 84 54 0.00 0.0
1914 84 57 0.05 0.0
1913 80 46 0.00 0.0
1912 62 43 0.00 0.0
1911 76 50 0.02 0.0
1910 81 64 0.07 0.0
1909 84 50 0.00 0.0
1908 81 63 0.00 0.0
1907 75 45 0.00 0.0
1906 79 51 0.00 0.0
1905 80 46 0.00 0.0
1904 74 57 0.00 0.0
1903 80 47 0.00 0.0
1902 76 52 0.24 0.0
1901 86 55 0.00 0.0
1900 73 42 0.00 0.0
What's the all-time high for Grand Junction on 9/20?
For the date of Sep 20, the highest temperature ever reached in Grand Junction history is 91 °F which has happened 2 times, most recently in 1935.
Highest Temperatures in Grand Junction on September 20
Rank Temperature Year
1 91 °F 1926
1 91 °F 1935
3 90 °F 1956
3 90 °F 2014
3 90 °F 2010
6 89 °F 1930
7 88 °F 1918
7 88 °F 1937
7 88 °F 2005
7 88 °F 1973
7 88 °F 1936
7 88 °F 1933
What's the all-time low for Grand Junction on 9/20?
For the date of Sep 20, the lowest temperature ever reached in Grand Junction history is 29 °F which happened in 1978.
Lowest Temperatures in Grand Junction on September 20
Rank Temperature Year
1 29 °F 1978
2 39 °F 1971
3 40 °F 1945
3 40 °F 1946
5 41 °F 1942
5 41 °F 1924
5 41 °F 1965
8 42 °F 2003
8 42 °F 1975
8 42 °F 1950
8 42 °F 1900
Lowest High Temperatures in Grand Junction on September 20
Rank Temperature Year
1 50 °F 1965
2 59 °F 1978
3 62 °F 1912
4 63 °F 1957
5 65 °F 1950
5 65 °F 1971
5 65 °F 1961
8 66 °F 1983
9 67 °F 1985
9 67 °F 1990
9 67 °F 2004
What's the most it has ever rained in Grand Junction on 9/20?
For the date of Sep 20, the most precipitation ever recorded in Grand Junction history is 0.68 inches which happened in 1969.
All-Time Most Precipitation in Grand Junction on September 20
Rank Precipitation Year
1 0.68 inches 1969
2 0.43 inches 1997
3 0.24 inches 1902
3 0.24 inches 1992
5 0.23 inches 1982
6 0.20 inches 2006
7 0.19 inches 1963
8 0.17 inches 1929
9 0.14 inches 2009
10 0.13 inches 1965
10 0.13 inches 1962
Weather Station Details
Years Station Coordinates
1900–2024 Grand Junction Walker Field 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