San Angelo September Climatology Record Temps Normals Temps Record Precip Normal Precip. Date High Year Low Year High / Low Most Year Day Month Year 1 107* 1952 56 1955 90 / 67 2.85 1932 .09 0.09 13.44 2 105 1947 53 1915 90 / 67 3.75 1986 .09 0.18 13.53 3 104 2000 49 1915 90 / 66 1.25 1935 .09 0.27 13.62 4 105 2000 53 1915 90 / 66 2.64 1961 .09 0.36 13.71 5 106 2000 49 1915 89 / 66 2.97 1986 .09 0.45 13.80 6 103 1995 55 1974 89 / 66 2.24 1973 .10 0.55 13.90 7 102 1908 53 1918 89 / 65 1.48 1944 .10 0.65 14.00 8 102 1930 48 2004 89 / 65 1.99 1994 .10 0.75 14.10 9 102 1970 46 2004 88 / 65 6.24 1980 .10 0.85 14.20 10 101 2000 54 1968 88 / 65 0.78 1928 .10 0.95 14.30 11 104 2000 52 1968 88 / 64 1.23 1925 .10 1.05 14.40 12 103 1930 50 1968 88 / 64 0.92 1951 .10 1.15 14.50 13 102 1930 51 1940 87 / 64 1.32 1989 .10 1.25 14.60 14 102 1960 49 1945 87 / 64 2.83 1967 .10 1.35 14.70 15 103 1965 47 1993 87 / 63 1.75 1936 .10 1.45 14.80 16 101 1965 52 1993 86 / 63 1.47 1919 .10 1.55 14.90 17 102 1907 45 1951 86 / 63 4.64 1936 .10 1.65 15.00 18 100 1960 49 1951 86 / 62 7.64 1936 .10 1.75 15.10 19 99 1960 39 1913 86 / 62 1.55 1976 .10 1.85 15.20 20 102 1953 37 1913 85 / 62 1.81 1990 .10 1.95 15.30 21 101 1977 37 1913 85 / 61 1.83 1972 .10 2.05 15.40 22 103 1926 36 1913 85 / 61 1.52 1990 .10 2.15 15.50 23 102 1926 35* 1913 85 / 61 1.48 2004 .10 2.25 15.60 24 100 1977 39 1989 84 / 61 2.91 1959 .10 2.35 15.70 25 107* 2005 37 1989 84 / 60 3.20 1937 .10 2.45 15.80 26 106 1977 38 2000 84 / 60 1.11 1936 .10 2.55 15.90 27 104 1953 36 1943 84 / 60 2.38 1980 .10 2.65 16.00 28 102 2005 37 1942 83 / 59 1.27 1927 .10 2.75 16.10 29 101 1977 39 1908 83 / 59 1.86 1959 .10 2.85 16.20 30 102 1977 38 1984 83 / 59 4.41 1959 .10 2.95 16.30 Highest September Temperature: 107 on 9/1/1952 and 9/25/2005 Lowest September Temperature: 35 on 9/23/1913 Normal September Precipitation: 2.95 inches Greatest September Precipitation: 27.65 inches in 1936