September weather in Williston, TN
The average temperature in Williston in September is 73.1°F (61.8°F–84.5°F). Average precipitation: 3.80 inches.
September is a fall month in Williston, and is warmer than the annual average of 61.2°F. Daily temperatures swing about 22.7°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 12m. For travel, September is a comfortable month to visit.
Avg High
84.5°F
Avg Low
61.8°F
Precipitation
3.80 in
Daylight
12h 12m
September records in Williston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 104.0°F (1951) | 48.0°F (1946) | 2.08 in (1981) |
| September 2 | 100.9°F (1943) | 46.9°F (1949) | 1.93 in (1979) |
| September 3 | 102.0°F (1954) | 42.1°F (1952) | 2.04 in (1988) |
| September 4 | 104.0°F (1954) | 39.9°F (1952) | 2.00 in (1976) |
| September 5 | 105.1°F (1954) | 41.0°F (1974) | 1.21 in (1970) |
| September 6 | 104.0°F (1925) | 45.0°F (1924) | 1.00 in (1943) |
| September 7 | 105.1°F (1925) | 43.0°F (1988) | 1.52 in (2012) |
| September 8 | 102.9°F (1925) | 48.0°F (1953) | 2.99 in (1920) |
| September 9 | 102.9°F (1925) | 45.0°F (1956) | 3.40 in (1947) |
| September 10 | 98.1°F (1939) | 41.0°F (1924) | 1.57 in (2009) |
| September 11 | 98.1°F (1939) | 41.0°F (1940) | 4.14 in (1930) |
| September 12 | 102.0°F (1939) | 36.0°F (1940) | 4.40 in (1957) |
| September 13 | 102.0°F (1939) | 39.0°F (1940) | 2.11 in (1945) |
| September 14 | 102.9°F (1939) | 41.0°F (1940) | 1.70 in (1979) |
| September 15 | 100.0°F (1954) | 45.0°F (1929) | 2.00 in (1978) |
| September 16 | 100.0°F (1927) | 30.9°F (1929) | 3.58 in (1968) |
| September 17 | 100.0°F (1953) | 42.1°F (1934) | 1.81 in (2012) |
| September 18 | 100.0°F (1953) | 43.0°F (1934) | 2.48 in (1968) |
| September 19 | 100.9°F (1925) | 37.0°F (1973) | 1.70 in (1958) |
| September 20 | 98.1°F (1925) | 37.0°F (1973) | 4.10 in (1958) |
| September 21 | 97.0°F (1925) | 37.0°F (1927) | 3.70 in (1992) |
| September 22 | 96.1°F (1925) | 36.0°F (1983) | 1.90 in (1957) |
| September 23 | 98.1°F (1931) | 34.0°F (1927) | 1.58 in (1993) |
| September 24 | 97.0°F (1935) | 34.0°F (1928) | 3.60 in (1997) |
| September 25 | 99.0°F (1934) | 39.0°F (1965) | 3.35 in (1977) |
| September 26 | 93.0°F (1954) | 39.9°F (1928) | 2.80 in (1971) |
| September 27 | 96.1°F (1939) | 34.0°F (1975) | 8.04 in (2002) |
| September 28 | 99.0°F (1953) | 32.0°F (1942) | 5.10 in (1964) |
| September 29 | 100.9°F (1953) | 28.9°F (1942) | 2.17 in (1933) |
| September 30 | 97.0°F (1953) | 33.1°F (1949) | 2.42 in (1985) |