September weather in Bristol, TN
The average temperature in Bristol in September is 68.6°F (56.4°F–80.7°F). Average precipitation: 2.84 inches.
September is a fall month in Bristol, and is warmer than the annual average of 56.6°F. Daily temperatures swing about 24.3°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
80.7°F
Avg Low
56.4°F
Precipitation
2.84 in
Daylight
12h 13m
September records in Bristol
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1953) | 46.9°F (1999) | 1.80 in (1982) |
| September 2 | 96.1°F (1943) | 45.0°F (1967) | 2.87 in (1978) |
| September 3 | 96.1°F (2011) | 45.0°F (1967) | 2.02 in (1941) |
| September 4 | 99.0°F (1954) | 44.1°F (1997) | 1.47 in (1981) |
| September 5 | 99.0°F (1954) | 41.0°F (1997) | 2.23 in (2011) |
| September 6 | 100.0°F (1954) | 46.9°F (1997) | 1.10 in (1947) |
| September 7 | 100.0°F (1954) | 45.0°F (2017) | 1.06 in (1987) |
| September 8 | 91.9°F (1941) | 42.1°F (2024) | 0.89 in (2004) |
| September 9 | 95.0°F (1954) | 43.0°F (1998) | 1.49 in (2008) |
| September 10 | 96.1°F (2019) | 42.1°F (1998) | 1.69 in (1946) |
| September 11 | 93.0°F (2019) | 42.1°F (1969) | 1.15 in (1989) |
| September 12 | 93.9°F (2019) | 42.1°F (1940) | 1.10 in (1950) |
| September 13 | 96.1°F (2019) | 37.9°F (1940) | 1.83 in (1947) |
| September 14 | 97.0°F (1998) | 41.0°F (1985) | 3.15 in (1982) |
| September 15 | 91.9°F (2016) | 39.9°F (1985) | 1.93 in (1981) |
| September 16 | 91.9°F (1955) | 42.1°F (1985) | 2.31 in (1962) |
| September 17 | 91.9°F (1954) | 37.0°F (2000) | 2.37 in (2004) |
| September 18 | 93.0°F (1954) | 39.0°F (1943) | 2.00 in (2012) |
| September 19 | 91.9°F (1954) | 41.0°F (1984) | 1.12 in (1953) |
| September 20 | 91.0°F (1955) | 42.1°F (1981) | 1.45 in (1957) |
| September 21 | 93.0°F (1955) | 39.0°F (1938) | 1.00 in (1967) |
| September 22 | 90.0°F (1955) | 39.0°F (1983) | 1.26 in (1975) |
| September 23 | 93.9°F (1955) | 35.1°F (1999) | 0.81 in (1975) |
| September 24 | 91.9°F (2007) | 34.0°F (1983) | 0.81 in (1965) |
| September 25 | 91.0°F (2007) | 37.9°F (1950) | 2.65 in (2024) |
| September 26 | 89.1°F (1970) | 36.0°F (2001) | 2.52 in (2024) |
| September 27 | 90.0°F (2017) | 37.0°F (1940) | 1.08 in (2018) |
| September 28 | 91.0°F (2019) | 34.0°F (1940) | 2.13 in (1972) |
| September 29 | 93.0°F (2019) | 33.1°F (1942) | 3.21 in (1944) |
| September 30 | 90.0°F (1941) | 34.0°F (1967) | 1.28 in (1954) |