Every September in Greenwood, MS from 1948 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 | 82.4 | 2 | 96.5 | 1 | 68.3 | 7 | 0.03 | 77 | 0 |
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| 2025 | 79.1 | 7 | 92 | 4 | 66.2 | 23 | 0.92 | 64 | 0 |
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| 2024 | 77.1 | 22 | 87.2 | 34 | 66.9 | 15 | 3.80 | 30 | 0 |
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| 2023 | 78.9 | 8 | 91.6 | 7 | 66.2 | 23 | 1.46 | 53 | 0 |
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| 2022 | 76.6 | 28 | 89.7 | 16 | 63.5 | 48 | 0.86 | 65 | 0 |
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| 2021 | 77 | 23 | 88.1 | 27 | 65.9 | 27 | 1.90 | 49 | 0 |
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| 2020 | 75.5 | 40 | 86 | 51 | 64.9 | 33 | 4.21 | 24 | 0 |
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| 2019 | 83.5 | 1 | 96 | 2 | 70.9 | 1 | 0.01 | 78 | 0 |
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| 2018 | 78.8 | 10 | 87.6 | 31 | 70 | 2 | 12.33 | 2 | 0 |
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| 2017 | 74.9 | 47 | 87.1 | 38 | 62.7 | 54 | 2.31 | 42 | 0 |
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| 2016 | 78.9 | 8 | 91.5 | 8 | 66.3 | 20 | 1.88 | 50 | 0 |
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| 2015 | 77.6 | 18 | 90.5 | 13 | 64.7 | 36 | 0.34 | 73 | 0 |
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| 2014 | 76.7 | 25 | 87.9 | 30 | 65.5 | 30 | 0.38 | 72 | 0 |
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| 2013 | 76.7 | 25 | 89.2 | 18 | 64.3 | 40 | 8.09 | 4 | 0 |
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| 2012 | 74.2 | 57 | 86.4 | 45 | 62.1 | 60 | 6.84 | 8 | 0 |
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| 2011 | 71 | 75 | 83.5 | 69 | 58.4 | 78 | 3.14 | 37 | 0 |
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| 2010 | 76.6 | 28 | 91.8 | 5 | 61.4 | 65 | 1.42 | 54 | 0 |
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| 2009 | 76.7 | 25 | 85.7 | 55 | 67.7 | 10 | 11.04 | 3 | 0 |
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| 2008 | 74.3 | 54 | 84.8 | 61 | 63.8 | 45 | 4.41 | 22 | 0 |
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| 2007 | 77.2 | 21 | 88 | 29 | 66.3 | 20 | 7.10 | 7 | 0 |
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| 2006 | 72.7 | 70 | 86.1 | 48 | 59.4 | 76 | 6.69 | 10 | 0 |
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| 2005 | 77.9 | 17 | 89.7 | 16 | 66 | 26 | 4.06 | 26 | 0 |
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| 2004 | 74.3 | 54 | 86.7 | 43 | 61.8 | 63 | 0.04 | 76 | 0 |
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| 2003 | 73 | 66 | 84.6 | 62 | 61.3 | 67 | 2.90 | 40 | 0 |
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| 2002 | 77.6 | 18 | 88.4 | 24 | 66.8 | 16 | 7.57 | 5 | 0 |
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| 2001 | 72.4 | 72 | 83.8 | 67 | 61 | 69 | 4.19 | 25 | 0 |
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| 2000 | 75.3 | 42 | 88.6 | 23 | 61.9 | 62 | 1.18 | 59 | 0 |
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| 1999 | 72.4 | 72 | 87.5 | 32 | 57.2 | 79 | 1.96 | 47 | 0 |
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| 1998 | 79.3 | 6 | 91 | 11 | 67.6 | 11 | 1.49 | 52 | 0 |
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| 1997 | 74.6 | 50 | 87 | 40 | 62.2 | 58 | | | 3 |
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| 1996 | 74.5 | 52 | 86 | 51 | 63 | 51 | 3.93 | 28 | 0 |
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| 1995 | 75.5 | 40 | 88.7 | 21 | 62.3 | 57 | 0.31 | 74 | 0 |
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| 1994 | 74.8 | 48 | 87.2 | 34 | 62.4 | 56 | 2.16 | 43 | 0 |
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| 1993 | 75.6 | 39 | 88.1 | 27 | 63.1 | 49 | 3.75 | 31 | 0 |
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| 1992 | 75.3 | 42 | 85.8 | 54 | 64.7 | 36 | 2.16 | 43 | 0 |
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| 1991 | 75.7 | 38 | 87.2 | 34 | 64.2 | 41 | 5.68 | 13 | 0 |
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| 1990 | 78.6 | 13 | 90.8 | 12 | 66.4 | 19 | 4.91 | 17 | 0 |
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| 1989 | 72.9 | 68 | 81.8 | 73 | 64.1 | 42 | 7.25 | 6 | 1 |
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| 1988 | 77.4 | 20 | 86.9 | 41 | 67.9 | 8 | 6.28 | 11 | 0 |
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| 1987 | 75 | 46 | 88.3 | 25 | 61.8 | 63 | 1.02 | 63 | 0 |
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| 1986 | 79.5 | 5 | 90.1 | 14 | 69 | 5 | 1.93 | 48 | 0 |
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| 1985 | 74.2 | 57 | 84.4 | 64 | 64 | 44 | 5.25 | 14 | 0 |
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| 1984 | 72.8 | 69 | 83.3 | 70 | 62.2 | 58 | 0.58 | 68 | 0 |
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| 1983 | 74.8 | 48 | 86.6 | 44 | 63 | 51 | 1.65 | 51 | 0 |
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| 1982 | 74.2 | 57 | 85.3 | 58 | 63 | 51 | 4.37 | 23 | 0 |
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| 1981 | 72.6 | 71 | 84.5 | 63 | 60.6 | 71 | 1.99 | 45 | 0 |
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| 1980 | 78.4 | 15 | 89.2 | 18 | 67.5 | 13 | 4.96 | 15 | 0 |
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| 1979 | 74.3 | 54 | 84.4 | 64 | 64.1 | 42 | 4.96 | 15 | 0 |
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| 1978 | 76.6 | 28 | 85.9 | 53 | 67.3 | 14 | 3.81 | 29 | 0 |
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| 1977 | 78.3 | 16 | 87.1 | 38 | 69.5 | 3 | 6.74 | 9 | 0 |
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| 1976 | 71 | 75 | 81.2 | 74 | 60.7 | 70 | 4.49 | 21 | 0 |
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| 1975 | 69.6 | 79 | 80.5 | 77 | 58.7 | 77 | 1.99 | 45 | 0 |
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| 1974 | 70.1 | 77 | 79 | 79 | 61.3 | 67 | 3.35 | 35 | 0 |
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| 1973 | 77 | 23 | 87.2 | 34 | 66.8 | 16 | 0.44 | 71 | 0 |
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| 1972 | 80.2 | 3 | 91.2 | 10 | 69.3 | 4 | 3.22 | 36 | 0 |
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| 1971 | 78.8 | 10 | 88.7 | 21 | 68.9 | 6 | 1.20 | 57 | 0 |
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| 1970 | 79.8 | 4 | 91.7 | 6 | 67.8 | 9 | 1.35 | 55 | 0 |
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| 1969 | 74.6 | 50 | 86.1 | 48 | 63.1 | 49 | 3.38 | 34 | 0 |
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| 1968 | 72 | 74 | 82.7 | 72 | 61.4 | 65 | 5.96 | 12 | 0 |
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| 1967 | 69.9 | 78 | 80.1 | 78 | 59.7 | 75 | 0.80 | 67 | 0 |
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| 1966 | 73.5 | 62 | 83.3 | 70 | 63.7 | 46 | 4.77 | 19 | 0 |
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| 1965 | 76.4 | 33 | 85.7 | 55 | 66.8 | 16 | 2.92 | 39 | 1 |
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| 1964 | 75.9 | 37 | 86.8 | 42 | 64.9 | 33 | 3.39 | 33 | 0 |
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| 1963 | 74.4 | 53 | 85.1 | 60 | 63.7 | 46 | 0.46 | 70 | 0 |
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| 1962 | 76.1 | 36 | 86.4 | 45 | 65.9 | 27 | 4.91 | 17 | 0 |
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| 1961 | 75.2 | 45 | 85.7 | 55 | 64.7 | 36 | 1.20 | 57 | 0 |
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| 1960 | 76.2 | 35 | 86.1 | 48 | 66.3 | 20 | 3.11 | 38 | 0 |
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| 1959 | 76.3 | 34 | 86.4 | 45 | 66.2 | 23 | 1.23 | 56 | 0 |
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| 1958 | 76.5 | 32 | 85.3 | 58 | 67.6 | 11 | 19.65 | 1 | 0 |
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| 1957 | 73.1 | 64 | 80.9 | 75 | 65.2 | 31 | 3.48 | 32 | 0 |
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| 1956 | 74.2 | 57 | 88.8 | 20 | 59.8 | 74 | 0.16 | 75 | 1 |
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| 1955 | 78.5 | 14 | 91.3 | 9 | 65.6 | 29 | 0.54 | 69 | 0 |
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| 1954 | 78.7 | 12 | 93 | 3 | 64.4 | 39 | 0.82 | 66 | 0 |
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| 1953 | 75.3 | 42 | 90.1 | 14 | 60.4 | 72 | 1.10 | 60 | 0 |
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| 1952 | 74 | 61 | 87.5 | 32 | 60.4 | 72 | 1.06 | 62 | 0 |
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| 1951 | 76.6 | 28 | 88.3 | 25 | 64.8 | 35 | 3.94 | 27 | 0 |
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| 1950 | 73 | 66 | 80.9 | 75 | 65.2 | 31 | 4.66 | 20 | 0 |
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| 1949 | 73.2 | 63 | 84.3 | 66 | 62.1 | 60 | 1.09 | 61 | 0 |
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| 1948 | 73.1 | 64 | 83.8 | 67 | 62.5 | 55 | 2.46 | 41 | 0 |
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