September weather in Mount Juliet, TN
The average temperature in Mount Juliet in September is 71.4°F (60.6°F–82.3°F). Average precipitation: 4.04 inches.
September is a fall month in Mount Juliet, and is warmer than the annual average of 58.7°F. Daily temperatures swing about 21.7°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
82.3°F
Avg Low
60.6°F
Precipitation
4.04 in
Daylight
12h 13m
September records in Mount Juliet
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (2011) | 55.0°F (2009) | 2.76 in (2017) |
| September 2 | 97.0°F (2011) | 55.9°F (2017) | 2.02 in (2004) |
| September 3 | 98.1°F (2011) | 53.1°F (2017) | 2.46 in (1996) |
| September 4 | 98.1°F (2011) | 53.1°F (2017) | 0.56 in (2011) |
| September 5 | 99.0°F (1999) | 52.0°F (1997) | 1.42 in (2011) |
| September 6 | 100.0°F (1998) | 52.0°F (2010) | 2.07 in (2011) |
| September 7 | 95.0°F (1998) | 50.0°F (2017) | 0.76 in (2011) |
| September 8 | 93.9°F (2007) | 51.1°F (2017) | 1.09 in (2012) |
| September 9 | 91.9°F (2002) | 51.1°F (2017) | 0.71 in (1991) |
| September 10 | 95.0°F (2002) | 48.9°F (1998) | 1.11 in (2018) |
| September 11 | 97.0°F (2019) | 50.0°F (1993) | 1.56 in (2010) |
| September 12 | 93.0°F (1991) | 53.1°F (1992) | 2.31 in (1995) |
| September 13 | 95.0°F (1998) | 51.1°F (2015) | 1.68 in (2020) |
| September 14 | 95.0°F (1998) | 48.0°F (2015) | 2.82 in (2020) |
| September 15 | 93.9°F (1991) | 46.9°F (2015) | 0.63 in (2002) |
| September 16 | 93.9°F (1991) | 48.9°F (2000) | 1.63 in (2004) |
| September 17 | 95.0°F (2019) | 46.0°F (2000) | 3.41 in (2009) |
| September 18 | 93.9°F (2019) | 52.0°F (1999) | 1.58 in (2012) |
| September 19 | 95.0°F (1997) | 46.0°F (2012) | 1.11 in (2021) |
| September 20 | 93.9°F (2018) | 44.1°F (1991) | 0.94 in (2002) |
| September 21 | 97.0°F (2018) | 46.0°F (2006) | 2.41 in (2003) |
| September 22 | 97.0°F (2022) | 48.0°F (1995) | 4.66 in (2003) |
| September 23 | 93.0°F (2010) | 46.0°F (1999) | 2.40 in (1994) |
| September 24 | 93.9°F (2007) | 44.1°F (2012) | 2.64 in (1997) |
| September 25 | 93.9°F (2007) | 43.0°F (2001) | 1.34 in (2005) |
| September 26 | 93.9°F (2007) | 39.0°F (2001) | 2.51 in (2002) |
| September 27 | 93.9°F (1998) | 44.1°F (1991) | 2.00 in (2024) |
| September 28 | 93.9°F (2019) | 44.1°F (1993) | 2.08 in (2024) |
| September 29 | 91.9°F (2019) | 42.1°F (2003) | 1.21 in (2023) |
| September 30 | 93.9°F (2019) | 39.9°F (1992) | 0.96 in (2006) |