September weather in Oak Ridge, TN
The average temperature in Oak Ridge in September is 70.8°F (60.6°F–81.0°F). Average precipitation: 4.13 inches.
September is a fall month in Oak Ridge, and is warmer than the annual average of 58.6°F. Daily temperatures swing about 20.4°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
81.0°F
Avg Low
60.6°F
Precipitation
4.13 in
Daylight
12h 13m
September records in Oak Ridge
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (1953) | 51.1°F (1954) | 3.27 in (1982) |
| September 2 | 99.0°F (1953) | 48.0°F (1987) | 1.33 in (1974) |
| September 3 | 98.1°F (1954) | 50.0°F (1987) | 1.71 in (1993) |
| September 4 | 100.0°F (1954) | 48.9°F (1952) | 2.27 in (1988) |
| September 5 | 102.0°F (1954) | 50.0°F (1952) | 6.89 in (2011) |
| September 6 | 102.0°F (1954) | 48.9°F (1984) | 1.04 in (1975) |
| September 7 | 99.0°F (1954) | 46.0°F (2017) | 1.59 in (2004) |
| September 8 | 95.0°F (1999) | 48.0°F (2017) | 0.87 in (1987) |
| September 9 | 97.0°F (1954) | 46.9°F (1958) | 2.07 in (1968) |
| September 10 | 95.0°F (2002) | 46.9°F (1949) | 2.18 in (1960) |
| September 11 | 93.0°F (1983) | 42.1°F (1976) | 2.16 in (2010) |
| September 12 | 93.9°F (1998) | 45.0°F (1976) | 2.52 in (1987) |
| September 13 | 100.9°F (1998) | 48.0°F (1949) | 2.34 in (1957) |
| September 14 | 98.1°F (1998) | 42.1°F (1953) | 1.40 in (2007) |
| September 15 | 93.9°F (1991) | 42.1°F (1964) | 2.16 in (1981) |
| September 16 | 93.9°F (1956) | 42.1°F (1964) | 3.37 in (1962) |
| September 17 | 93.9°F (1991) | 45.0°F (1961) | 3.15 in (2012) |
| September 18 | 95.0°F (1954) | 39.0°F (1981) | 2.31 in (2012) |
| September 19 | 97.0°F (1954) | 39.0°F (1981) | 2.74 in (1969) |
| September 20 | 93.9°F (1998) | 39.9°F (1981) | 1.33 in (1954) |
| September 21 | 95.0°F (1955) | 42.1°F (1983) | 2.82 in (2013) |
| September 22 | 95.0°F (1955) | 36.0°F (1983) | 2.88 in (2003) |
| September 23 | 91.9°F (1955) | 37.0°F (1982) | 3.40 in (2006) |
| September 24 | 93.0°F (2007) | 37.0°F (1983) | 1.94 in (1997) |
| September 25 | 91.9°F (2016) | 39.9°F (1963) | 1.46 in (2000) |
| September 26 | 93.0°F (1998) | 37.9°F (2001) | 2.18 in (2009) |
| September 27 | 95.0°F (1998) | 39.9°F (1991) | 1.75 in (2018) |
| September 28 | 91.0°F (1986) | 41.0°F (1985) | 1.34 in (1996) |
| September 29 | 90.0°F (2019) | 39.9°F (1962) | 1.89 in (1964) |
| September 30 | 93.0°F (2019) | 33.1°F (1967) | 2.36 in (1955) |