September weather in Shelbyville, TN
The average temperature in Shelbyville in September is 71.8°F (59.7°F–83.9°F). Average precipitation: 4.22 inches.
September is a fall month in Shelbyville, and is warmer than the annual average of 59.6°F. Daily temperatures swing about 24.2°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
83.9°F
Avg Low
59.7°F
Precipitation
4.22 in
Daylight
12h 13m
September records in Shelbyville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 104.0°F (1951) | 46.9°F (1954) | 1.18 in (1961) |
| September 2 | 99.0°F (2011) | 46.0°F (1987) | 1.36 in (1974) |
| September 3 | 100.0°F (1953) | 46.0°F (1987) | 1.23 in (1993) |
| September 4 | 100.0°F (1954) | 45.0°F (1952) | 1.70 in (1968) |
| September 5 | 102.9°F (1954) | 43.0°F (1997) | 3.82 in (2011) |
| September 6 | 105.1°F (1954) | 48.0°F (1984) | 1.62 in (2025) |
| September 7 | 102.9°F (1954) | 43.0°F (1988) | 1.23 in (1969) |
| September 8 | 100.0°F (1954) | 45.0°F (1953) | 2.92 in (1974) |
| September 9 | 97.0°F (1980) | 45.0°F (1958) | 0.63 in (1967) |
| September 10 | 97.0°F (1954) | 45.0°F (1998) | 1.78 in (1975) |
| September 11 | 97.0°F (1983) | 39.9°F (1969) | 1.24 in (2017) |
| September 12 | 96.1°F (1962) | 43.0°F (1969) | 1.36 in (1990) |
| September 13 | 97.0°F (2019) | 45.0°F (1969) | 2.95 in (1979) |
| September 14 | 98.1°F (1980) | 39.0°F (1964) | 2.03 in (1952) |
| September 15 | 97.0°F (1991) | 44.1°F (1964) | 2.68 in (1957) |
| September 16 | 98.1°F (1980) | 39.9°F (1961) | 4.69 in (1962) |
| September 17 | 97.0°F (1953) | 42.1°F (2000) | 4.34 in (2012) |
| September 18 | 99.0°F (1953) | 39.9°F (1981) | 3.43 in (2021) |
| September 19 | 97.0°F (1954) | 36.0°F (1981) | 3.24 in (2021) |
| September 20 | 97.0°F (1955) | 39.9°F (1981) | 2.83 in (2021) |
| September 21 | 98.1°F (1955) | 39.0°F (1956) | 1.71 in (1958) |
| September 22 | 98.1°F (1955) | 35.1°F (1983) | 5.19 in (1992) |
| September 23 | 95.0°F (2010) | 37.9°F (1974) | 2.57 in (2025) |
| September 24 | 93.9°F (1961) | 35.1°F (1983) | 3.84 in (1997) |
| September 25 | 93.0°F (2016) | 39.0°F (1963) | 1.60 in (1977) |
| September 26 | 90.0°F (1958) | 37.0°F (2001) | 3.17 in (1985) |
| September 27 | 93.9°F (2019) | 37.0°F (1991) | 2.70 in (1996) |
| September 28 | 93.0°F (1954) | 39.0°F (2022) | 1.11 in (1967) |
| September 29 | 96.1°F (2019) | 34.0°F (1967) | 2.20 in (1964) |
| September 30 | 96.1°F (2019) | 32.0°F (1967) | 1.50 in (1954) |