Every September in Pickens, SC from 1942 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.
| Year | Mean, °F | Rank | High, °F | Rank | Low, °F | Rank | Precipitation, in | Rank | Days missing |
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| 2026 | 76.1 | 5 | 88.1 | 4 | 64.1 | 7 | 4.36 | 35 | 0 |
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| 2025 | 71.8 | 34 | 82.8 | 27 | 60.8 | 42 | 1.62 | 71 | 0 |
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| 2024 | 73.1 | 21 | 82.3 | 31 | 63.9 | 11 | 13.94 | 2 | 0 |
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| 2023 | 72 | 30 | 82.8 | 27 | 61.2 | 38 | 2.39 | 60 | 0 |
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| 2022 | 70.3 | 60 | 81 | 54 | 59.6 | 62 | 6.00 | 18 | 0 |
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| 2021 | 71.4 | 37 | 81.1 | 51 | 61.7 | 32 | 3.25 | 50 | 0 |
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| 2020 | 70.9 | 48 | 79.5 | 77 | 62.2 | 24 | 7.98 | 6 | 0 |
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| 2019 | 77.8 | 1 | 90.8 | 1 | 64.9 | 2 | 0.03 | 83 | 0 |
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| 2018 | 77.3 | 2 | 86.1 | 11 | 68.5 | 1 | 4.41 | 33 | 0 |
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| 2017 | 70.9 | 48 | 82 | 38 | 59.8 | 56 | 3.19 | 51 | 0 |
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| 2016 | 76.4 | 4 | 88.8 | 3 | 64 | 9 | 0.56 | 79 | 0 |
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| 2015 | 71.7 | 36 | 81.7 | 43 | 61.7 | 32 | 4.90 | 28 | 0 |
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| 2014 | 72.7 | 24 | 81.2 | 49 | 64.2 | 6 | 4.09 | 40 | 0 |
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| 2013 | 71.2 | 42 | 81.5 | 44 | 60.9 | 41 | 3.47 | 49 | 0 |
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| 2012 | 70.2 | 61 | 80.6 | 62 | 59.7 | 59 | 4.13 | 39 | 0 |
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| 2011 | 70.6 | 55 | 80.9 | 58 | 60.3 | 53 | 4.17 | 38 | 0 |
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| 2010 | 73.4 | 16 | 86.1 | 11 | 60.6 | 45 | 4.62 | 31 | 0 |
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| 2009 | 70.9 | 48 | 80.4 | 63 | 61.5 | 36 | 5.52 | 20 | 0 |
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| 2008 | 71.4 | 37 | 82 | 38 | 60.8 | 42 | 1.36 | 74 | 0 |
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| 2007 | 74.2 | 11 | 86.7 | 9 | 61.7 | 32 | 2.00 | 66 | 0 |
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| 2006 | 69.4 | 74 | 79.5 | 77 | 59.2 | 66 | 4.91 | 27 | 0 |
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| 2005 | 73.6 | 15 | 86.9 | 7 | 60.4 | 50 | 1.23 | 76 | 1 |
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| 2004 | 70.5 | 56 | 79.9 | 72 | 61 | 39 | 17.40 | 1 | 0 |
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| 2003 | 69.3 | 75 | 81.8 | 40 | 56.8 | 78 | 4.50 | 32 | 0 |
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| 2002 | 73.2 | 19 | 82.1 | 34 | 64.3 | 5 | 9.09 | 3 | 0 |
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| 2001 | | | 79.6 | 76 | | | 5.41 | 21 | 6 |
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| 2000 | | | 80 | 69 | | | 8.06 | 4 | 9 |
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| 1999 | 71 | 45 | 86.6 | 10 | 55.4 | 81 | 1.92 | 68 | 0 |
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| 1998 | 74.2 | 11 | 87.7 | 5 | 60.7 | 44 | 3.68 | 45 | 0 |
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| 1997 | 71.1 | 44 | 82.9 | 24 | 59.4 | 64 | 6.64 | 11 | 1 |
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| 1996 | 69.9 | 68 | 81.5 | 44 | 58.3 | 75 | 4.87 | 29 | 3 |
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| 1995 | 69.3 | 75 | 79.8 | 73 | 58.7 | 70 | 2.14 | 64 | 0 |
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| 1994 | 70.2 | 61 | 81.8 | 40 | 58.6 | 71 | 2.80 | 54 | 0 |
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| 1993 | 74.3 | 10 | 86.9 | 7 | 61.8 | 29 | 2.36 | 62 | 0 |
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| 1992 | 70.7 | 54 | 79 | 81 | 61.8 | 29 | 6.55 | 12 | 2 |
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| 1991 | 70.8 | 53 | 81 | 54 | 60.6 | 45 | 1.48 | 73 | 1 |
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| 1990 | 72 | 30 | 82.1 | 34 | 62 | 27 | 4.02 | 41 | 0 |
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| 1989 | 69.9 | 68 | 77.7 | 83 | 62.2 | 24 | 6.21 | 15 | 0 |
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| 1988 | 70.9 | 48 | 79.5 | 77 | 62.3 | 23 | 6.08 | 17 | 0 |
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| 1987 | 72.5 | 25 | 82.5 | 29 | 62.6 | 21 | 1.29 | 75 | 1 |
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| 1986 | 72.2 | 28 | 81.1 | 51 | 63.3 | 14 | 4.28 | 36 | 0 |
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| 1985 | 71 | 45 | 81 | 54 | 61 | 39 | 0.30 | 81 | 0 |
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| 1984 | 70.1 | 65 | 81 | 54 | 59.5 | 63 | 0.12 | 82 | 1 |
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| 1983 | 70.1 | 65 | 80.3 | 64 | 59.9 | 55 | 4.92 | 26 | 0 |
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| 1982 | 69.5 | 73 | 79.7 | 75 | 59.3 | 65 | 1.97 | 67 | 0 |
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| 1981 | 71.3 | 41 | 83.5 | 22 | 59.1 | 67 | 2.53 | 58 | 0 |
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| 1980 | 75.3 | 7 | 86 | 13 | 64.7 | 3 | 7.07 | 7 | 0 |
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| 1979 | 70.9 | 48 | 79.8 | 73 | 62 | 27 | 4.40 | 34 | 0 |
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| 1978 | 74.4 | 8 | 84.8 | 16 | 64.1 | 7 | 2.15 | 63 | 1 |
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| 1977 | 73.7 | 14 | 84.2 | 19 | 63.2 | 17 | 6.22 | 14 | 1 |
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| 1976 | 69.9 | 68 | 81.4 | 47 | 58.4 | 72 | 5.03 | 25 | 0 |
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| 1975 | 70.2 | 61 | 80 | 69 | 60.4 | 50 | 7.99 | 5 | 0 |
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| 1974 | 69.2 | 77 | 80.1 | 67 | 58.4 | 72 | 2.73 | 56 | 0 |
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| 1973 | 74.4 | 8 | 85.4 | 14 | 63.3 | 14 | 5.15 | 23 | 0 |
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| 1972 | 73.2 | 19 | 84.5 | 18 | 61.8 | 29 | 1.92 | 68 | 0 |
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| 1971 | 73.3 | 17 | 83.9 | 21 | 62.5 | 22 | 3.66 | 46 | 1 |
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| 1970 | 75.8 | 6 | 87.1 | 6 | 64.5 | 4 | 3.57 | 48 | 0 |
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| 1969 | 69.9 | 68 | 79.2 | 80 | 60.6 | 45 | 4.02 | 41 | 0 |
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| 1968 | 70.5 | 56 | 80.2 | 66 | 60.5 | 49 | 2.75 | 55 | 1 |
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| 1967 | 67.7 | 81 | 77.8 | 82 | 57.4 | 76 | 2.87 | 52 | 1 |
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| 1966 | 70.2 | 61 | 80.1 | 67 | 60.2 | 54 | 4.25 | 37 | 0 |
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| 1965 | 72.4 | 26 | 82.2 | 33 | 62.7 | 20 | 1.86 | 70 | 0 |
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| 1964 | 71.4 | 37 | 80.8 | 61 | 62.1 | 26 | 2.56 | 57 | 0 |
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| 1963 | 70.5 | 56 | 81.2 | 49 | 59.7 | 59 | 4.78 | 30 | 0 |
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| 1962 | 71 | 45 | 82.3 | 31 | 59.8 | 56 | 2.38 | 61 | 0 |
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| 1961 | 73.8 | 13 | 84 | 20 | 63.5 | 12 | 0.75 | 78 | 1 |
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| 1960 | 71.9 | 32 | 80.9 | 58 | 62.9 | 19 | 5.77 | 19 | 0 |
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| 1959 | 72.3 | 27 | 81.1 | 51 | 63.3 | 14 | 6.99 | 8 | 1 |
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| 1958 | 71.9 | 32 | 83.4 | 23 | 60.4 | 50 | 1.52 | 72 | 2 |
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| 1957 | 72.8 | 23 | 81.5 | 44 | 64 | 9 | 6.95 | 9 | 0 |
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| 1956 | 70.5 | 56 | 82.4 | 30 | 58.4 | 72 | 3.66 | 46 | 2 |
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| 1954 | 76.8 | 3 | 90.1 | 2 | 63.4 | 13 | 0.46 | 80 | 0 |
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| 1953 | 71.4 | 37 | 82.1 | 34 | 60.6 | 45 | 5.08 | 24 | 0 |
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| 1952 | 71.8 | 34 | 81.8 | 40 | 61.7 | 32 | 0.86 | 77 | 0 |
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| 1951 | 73.1 | 21 | 82.9 | 24 | 63.2 | 17 | 6.18 | 16 | 0 |
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| 1950 | 69.7 | 72 | 80.3 | 64 | 59.1 | 67 | 2.84 | 53 | 2 |
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| 1949 | 68.3 | 80 | 80 | 69 | 56.7 | 79 | 6.31 | 13 | 1 |
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| 1948 | 69.1 | 78 | 80.9 | 58 | 57.3 | 77 | 5.38 | 22 | 2 |
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| 1947 | 72.2 | 28 | 84.7 | 17 | 59.7 | 59 | 2.49 | 59 | 0 |
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| 1946 | 70 | 67 | 81.3 | 48 | 58.8 | 69 | 2.06 | 65 | 0 |
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| 1945 | 73.3 | 17 | 85.1 | 15 | 61.4 | 37 | 6.77 | 10 | 0 |
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| 1943 | 69.1 | 78 | 82.1 | 34 | 56.1 | 80 | 3.98 | 43 | 0 |
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| 1942 | 71.2 | 42 | 82.9 | 24 | 59.8 | 56 | 3.74 | 44 | 1 |
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