Average September Temperature in St. Johns by Year

This page contains a list of the average monthly high and low temperatures in St. Johns, Arizona for the month of September each year between 1901 and 2023. It is based on NOAA data.
Change:
Month:
What Was the Hottest September Ever in St. Johns?
1910 was the warmest September in the history of St. Johns, Arizona. The average daily high temperature was 87.2 °F, and the average low was 51.0 °F.
What Was the Coldest September Ever in St. Johns?
1912 was the coolest September in the history of St. Johns, Arizona. The average daily high temperature was 79.7 °F, and the average low was 40.0 °F.
* click column headers to sort
Year Rank High (°F) Low (°F)
2023 7 85.9 51.4
2022 2 85.3 52.7
2021 12 83.7 53.3
2020 25 85.6 48.7
2019 8 84.4 52.9
2018 4 85.7 52.1
2017 28 83.5 50.8
2016 48 81.5 50.5
2015 11 83.4 53.6
2012 38 81.4 51.2
2011 34 81.9 51.5
2010 15 85.4 50.4
2009 64 81.1 49.7
2008 61 81.7 49.7
2007 29 82.8 51.0
2006 108 78.1 46.8
2005 18 83.5 51.8
2004 86 79.4 48.8
2003 16 83.9 51.9
2002 49 80.7 51.3
2001 10 86.5 50.5
2000 6 86.1 51.5
1999 81 80.0 49.0
1997 23 82.2 52.6
1996 106 75.7 49.3
1995 35 83.1 50.2
1994 41 82.1 50.3
1993 68 83.4 47.3
1992 56 83.0 48.6
1991 50 81.9 50.0
1990 44 80.8 51.5
1989 42 83.5 48.9
1988 101 79.3 46.9
1987 78 80.9 48.7
1986 111 78.0 43.3
1985 110 77.8 44.7
1984 52 81.1 50.7
1983 5 85.5 52.3
1982 39 82.0 50.5
1981 60 81.5 49.9
1980 55 82.6 49.0
1979 14 83.5 52.4
1978 79 79.1 50.3
1977 51 79.8 52.1
1976 45 81.7 50.5
1975 74 79.6 50.4
1974 31 84.0 49.5
1973 57 84.7 46.9
1972 43 83.0 49.4
1971 93 82.7 44.4
1970 88 82.3 45.8
1969 19 85.3 49.8
1968 90 83.2 44.5
1967 63 82.4 48.6
1966 40 82.9 49.6
1965 99 79.0 47.3
1964 67 80.8 50.0
1963 13 83.8 53.0
1962 21 83.3 51.6
1961 97 81.0 45.9
1960 37 86.2 46.8
1959 32 84.9 48.5
1957 58 84.0 47.5
1956 9 88.3 48.8
1955 22 87.6 47.3
1954 36 83.3 49.7
1953 53 88.3 43.5
1952 95 84.7 42.3
1950 102 81.3 44.7
1949 20 85.5 49.4
1948 26 86.7 47.6
1947 47 85.7 46.3
1946 33 82.3 51.1
1945 65 86.5 44.3
1944 83 84.5 44.2
1943 66 84.7 46.1
1942 75 85.3 44.5
1941 96 80.3 46.6
1940 87 79.8 48.4
1939 17 83.1 52.3
1938 62 82.3 48.9
1937 3 87.1 50.9
1936 69 81.4 49.2
1935 72 83.8 46.3
1934 89 80.3 47.6
1933 70 84.0 46.6
1932 109 82.6 40.3
1931 54 82.8 48.9
1930 104 82.6 42.7
1929 84 80.4 48.3
1928 59 84.7 46.7
1927 94 78.7 48.5
1926 46 82.5 49.6
1925 77 81.0 48.6
1924 91 86.8 40.7
1923 100 83.9 42.3
1922 71 80.0 50.1
1921 27 87.0 47.3
1920 98 82.3 44.1
1918 80 83.7 45.6
1917 82 81.7 47.0
1915 103 80.3 45.1
1914 73 81.5 48.6
1912 112 79.7 40.0
1911 30 83.8 50.0
1910 1 87.2 51.0
1909 92 79.6 47.6
1907 105 82.0 43.0
1906 107 80.5 44.4
1904 85 82.2 46.4
1902 76 84.5 45.2
1901 24 87.8 46.7
Weather Station Details
Years Station Coordinates
1901–2024 St. Johns location