September weather in New Johnsonville, TN
The average temperature in New Johnsonville in September is 72.0°F (60.4°F–83.6°F). Average precipitation: 3.43 inches.
September is a fall month in New Johnsonville, and is warmer than the annual average of 60°F. Daily temperatures swing about 23.2°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
83.6°F
Avg Low
60.4°F
Precipitation
3.43 in
Daylight
12h 13m
September records in New Johnsonville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (2000) | 51.1°F (2009) | 4.45 in (2017) |
| September 2 | 98.1°F (2011) | 52.0°F (2009) | 4.90 in (2003) |
| September 3 | 98.1°F (2011) | 55.0°F (2005) | 1.40 in (2014) |
| September 4 | 98.1°F (1999) | 50.0°F (2010) | 1.16 in (2000) |
| September 5 | 99.0°F (1999) | 45.0°F (1997) | 1.65 in (2025) |
| September 6 | 102.0°F (1999) | 48.0°F (1997) | 0.82 in (2012) |
| September 7 | 98.1°F (1998) | 46.9°F (2017) | 0.18 in (2009) |
| September 8 | 98.1°F (1999) | 46.9°F (2024) | 0.70 in (2012) |
| September 9 | 97.0°F (1999) | 45.0°F (2024) | 1.53 in (1997) |
| September 10 | 97.0°F (2002) | 46.9°F (1998) | 0.62 in (2015) |
| September 11 | 93.0°F (2019) | 48.0°F (1998) | 0.80 in (2016) |
| September 12 | 95.0°F (2019) | 51.1°F (1997) | 0.50 in (2014) |
| September 13 | 96.1°F (2019) | 46.9°F (2015) | 1.57 in (2024) |
| September 14 | 96.1°F (2019) | 48.0°F (2015) | 0.75 in (2024) |
| September 15 | 97.0°F (2019) | 45.0°F (2000) | 1.79 in (2011) |
| September 16 | 97.0°F (2019) | 43.0°F (2000) | 0.40 in (2021) |
| September 17 | 99.0°F (2019) | 44.1°F (1999) | 0.18 in (2009) |
| September 18 | 97.0°F (2019) | 45.0°F (1999) | 1.55 in (2016) |
| September 19 | 96.1°F (2019) | 45.0°F (1999) | 0.35 in (2011) |
| September 20 | 95.0°F (2010) | 45.0°F (2006) | 2.27 in (2002) |
| September 21 | 99.0°F (2022) | 46.0°F (2006) | 2.36 in (2003) |
| September 22 | 99.0°F (2022) | 42.1°F (1999) | 0.38 in (2006) |
| September 23 | 97.0°F (2010) | 42.1°F (1999) | 1.82 in (2000) |
| September 24 | 93.9°F (2016) | 39.9°F (2001) | 2.17 in (2018) |
| September 25 | 93.0°F (2010) | 35.1°F (2001) | 1.50 in (2005) |
| September 26 | 91.9°F (2016) | 37.9°F (2001) | 8.00 in (2002) |
| September 27 | 93.9°F (1998) | 39.9°F (2001) | 1.25 in (2007) |
| September 28 | 93.0°F (1998) | 39.9°F (2003) | 2.93 in (2024) |
| September 29 | 91.0°F (1999) | 39.9°F (2003) | 2.12 in (2024) |
| September 30 | 95.0°F (2019) | 39.0°F (1999) | 0.85 in (2013) |