Grand Junction September 30 Weather Records

Daily averages and all-time records for weather in Grand Junction, Colorado for the date of September 30.
September 30 All-Time Records
1900–2024
Highest temperature 89 °F 2023
Lowest temperature 32 °F 1985
Lowest daily high 50 °F 1959
Highest daily low 66 °F 2015
Most precipitation 0.56 inches 1994
Most snow none -
September 30 Average Weather
1991–2020 1
Average high 74.8 °F
Average low 46.5 °F
Chance precipitation 19.7%
Chance snow 0.1%
Grand Junction September 30 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 89 57 0.00 0.0
2022 74 53 0.33 0.0
2021 65 50 0.13 0.0
2020 83 44 0.00 0.0
2019 74 49 0.00 0.0
2018 85 59 0.00 0.0
2017 63 48 0.20 0.0
2016 73 56 0.02 0.0
2015 85 66 0.00 0.0
2014 64 43 0.00 0.0
2013 75 47 0.00 0.0
2012 80 44 0.00 0.0
2011 85 56 0.00 0.0
2010 87 54 0.00 0.0
2009 75 41 0.06 0.0
2008 84 50 0.00 0.0
2007 64 35 0.00 0.0
2006 80 47 0.00 0.0
2005 73 47 0.00 0.0
2004 63 50 0.02 0.0
2003 86 49 0.00 0.0
2002 68 39 0.00 0.0
2001 87 57 0.00 0.0
2000 82 48 0.00 0.0
1999 73 33 0.00 0.0
1998 83 55 0.28 0.0
1997 80 47 0.00 0.0
1996 79 48 0.00 0.0
1995 65 46 0.00 0.0
1994 63 51 0.56 0.0
1993 84 44 0.00 0.0
1992 84 49 0.00 0.0
1991 75 50 0.00 0.0
1990 78 48 0.00 0.0
1989 87 60 0.00 0.0
1988 77 42 0.00 0.0
1987 81 47 0.00 0.0
1986 58 40 0.05 0.0
1985 64 32 0.00 0.0
1984 75 40 0.00 0.0
1983 62 56 0.31 0.0
1982 74 52 0.03 0.0
1981 78 55 0.00 0.0
1980 86 51 0.00 0.0
1979 85 54 0.00 0.0
1978 81 46 0.00 0.0
1977 75 47 0.00 0.0
1976 79 44 0.00 0.0
1975 76 49 0.00 0.0
1974 79 41 0.00 0.0
1973 79 45 0.00 0.0
1972 75 43 0.00 0.0
1971 75 50 0.23 0.0
1970 82 55 0.00 0.0
1969 83 57 0.00 0.0
1968 75 49 0.00 0.0
1967 83 54 0.00 0.0
1966 77 55 0.00 0.0
1965 63 40 0.00 0.0
1964 81 50 0.00 0.0
1963 87 51 0.00 0.0
1962 68 46 0.00 0.0
1961 61 34 0.00 0.0
1960 82 54 0.00 0.0
1959 50 37 0.07 0.0
1958 74 54 0.00 0.0
1957 88 54 0.00 0.0
1956 76 51 0.00 0.0
1955 79 47 0.00 0.0
1954 78 50 0.00 0.0
1953 83 50 0.00 0.0
1952 82 51 0.00 0.0
1951 73 51 0.00 0.0
1950 74 62 0.00 0.0
1949 68 48 0.00 0.0
1948 72 45 0.00 0.0
1947 78 58 0.00 0.0
1946 80 49 0.00 0.0
1945 65 47 0.06 0.0
1944 80 61 0.00 0.0
1943 81 53 0.00 0.0
1942 85 52 0.00 0.0
1941 70 45 0.00 0.0
1940 57 48 0.39 0.0
1939 74 48 0.00 0.0
1938 83 56 0.00 0.0
1937 66 52 0.01 0.0
1936 72 42 0.00 0.0
1935 79 46 0.00 0.0
1934 79 44 0.00 0.0
1933 87 49 0.00 0.0
1932 74 48 0.00 0.0
1931 80 55 0.00 0.0
1930 70 52 0.25 0.0
1929 82 56 0.00 0.0
1928 82 56 0.00 0.0
1927 57 39 0.04 0.0
1926 70 43 0.21 0.0
1925 75 43 0.00 0.0
1924 79 47 0.00 0.0
1923 70 44 0.00 0.0
1922 78 53 0.00 0.0
1921 72 40 0.00 0.0
1920 78 45 0.00 0.0
1919 80 45 0.00 0.0
1918 80 55 0.00 0.0
1917 75 53 0.00 0.0
1916 71 51 0.00 0.0
1915 69 44 0.00 0.0
1914 69 53 0.00 0.0
1913 74 45 0.00 0.0
1912 76 46 0.00 0.0
1911 68 56 0.24 0.0
1910 82 49 0.00 0.0
1909 80 55 0.00 0.0
1908 78 45 0.00 0.0
1907 62 47 0.00 0.0
1906 81 52 0.00 0.0
1905 58 41 0.00 0.0
1904 69 53 0.18 0.0
1903 68 47 0.02 0.0
1902 71 39 0.00 0.0
1901 80 45 0.00 0.0
1900 74 42 0.00 0.0
What's the all-time high for Grand Junction on 9/30?
For the date of Sep 30, the highest temperature ever reached in Grand Junction history is 89 °F which happened in 2023.
Highest Temperatures in Grand Junction on September 30
Rank Temperature Year
1 89 °F 2023
2 88 °F 1957
3 87 °F 2001
3 87 °F 1933
3 87 °F 1989
3 87 °F 1963
3 87 °F 2010
8 86 °F 2003
8 86 °F 1980
10 85 °F 2011
10 85 °F 2015
10 85 °F 2018
10 85 °F 1979
10 85 °F 1942
What's the all-time low for Grand Junction on 9/30?
For the date of Sep 30, the lowest temperature ever reached in Grand Junction history is 32 °F which happened in 1985.
Lowest Temperatures in Grand Junction on September 30
Rank Temperature Year
1 32 °F 1985
2 33 °F 1999
3 34 °F 1961
4 35 °F 2007
5 37 °F 1959
6 39 °F 2002
6 39 °F 1927
6 39 °F 1902
9 40 °F 1921
9 40 °F 1984
9 40 °F 1965
9 40 °F 1986
Lowest High Temperatures in Grand Junction on September 30
Rank Temperature Year
1 50 °F 1959
2 57 °F 1940
2 57 °F 1927
4 58 °F 1905
4 58 °F 1986
6 61 °F 1961
7 62 °F 1907
7 62 °F 1983
9 63 °F 1994
9 63 °F 2004
9 63 °F 2017
9 63 °F 1965
What's the most it has ever rained in Grand Junction on 9/30?
For the date of Sep 30, the most precipitation ever recorded in Grand Junction history is 0.56 inches which happened in 1994.
All-Time Most Precipitation in Grand Junction on September 30
Rank Precipitation Year
1 0.56 inches 1994
2 0.39 inches 1940
3 0.33 inches 2022
4 0.31 inches 1983
5 0.28 inches 1998
6 0.25 inches 1930
7 0.24 inches 1911
8 0.23 inches 1971
9 0.21 inches 1926
10 0.20 inches 2017
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.
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