September weather in Cowan, TN
The average temperature in Cowan in September is 71.0°F (60.0°F–82.0°F). Average precipitation: 4.27 inches.
September is a fall month in Cowan, and is warmer than the annual average of 59.2°F. Daily temperatures swing about 22°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
82.0°F
Avg Low
60.0°F
Precipitation
4.27 in
Daylight
12h 13m
September records in Cowan
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.9°F (2011) | 57.0°F (2009) | 1.20 in (2021) |
| September 2 | 97.0°F (2011) | 46.9°F (1987) | 1.61 in (2012) |
| September 3 | 97.0°F (1990) | 51.1°F (1987) | 0.87 in (1988) |
| September 4 | 96.1°F (1990) | 44.1°F (2010) | 0.73 in (1986) |
| September 5 | 98.1°F (1999) | 46.9°F (1997) | 3.46 in (2011) |
| September 6 | 99.0°F (1990) | 48.9°F (2010) | 1.10 in (2017) |
| September 7 | 99.0°F (1990) | 48.0°F (2017) | 0.56 in (2009) |
| September 8 | 97.0°F (1999) | 50.0°F (2017) | 0.63 in (1996) |
| September 9 | 95.0°F (1990) | 44.1°F (2024) | 0.43 in (2014) |
| September 10 | 93.9°F (2016) | 46.9°F (1998) | 0.56 in (1990) |
| September 11 | 93.9°F (2010) | 45.0°F (1993) | 1.70 in (1995) |
| September 12 | 95.0°F (2016) | 46.9°F (1993) | 1.75 in (1986) |
| September 13 | 96.1°F (1998) | 48.9°F (1996) | 0.73 in (1989) |
| September 14 | 93.9°F (2016) | 45.0°F (1996) | 2.61 in (1989) |
| September 15 | 93.9°F (1991) | 50.0°F (2006) | 1.85 in (1993) |
| September 16 | 93.0°F (1991) | 45.0°F (2000) | 3.19 in (2005) |
| September 17 | 93.0°F (1991) | 41.0°F (2000) | 2.68 in (2012) |
| September 18 | 93.0°F (2016) | 44.1°F (1999) | 0.61 in (2002) |
| September 19 | 93.9°F (2016) | 43.0°F (2012) | 1.98 in (2001) |
| September 20 | 95.0°F (2016) | 45.0°F (1991) | 1.32 in (2009) |
| September 21 | 95.0°F (2010) | 43.0°F (1991) | 2.22 in (2013) |
| September 22 | 96.1°F (2016) | 42.1°F (2006) | 1.81 in (2003) |
| September 23 | 96.1°F (2024) | 37.0°F (1999) | 2.20 in (2025) |
| September 24 | 93.9°F (2024) | 37.9°F (2012) | 3.46 in (1997) |
| September 25 | 91.9°F (2016) | 41.0°F (1990) | 1.40 in (2020) |
| September 26 | 90.0°F (2007) | 36.0°F (2001) | 1.45 in (2009) |
| September 27 | 91.0°F (1998) | 39.0°F (2000) | 1.36 in (1996) |
| September 28 | 91.9°F (2019) | 39.9°F (1993) | 0.76 in (2018) |
| September 29 | 91.9°F (2019) | 37.9°F (2003) | 1.62 in (1987) |
| September 30 | 93.0°F (2019) | 37.0°F (1993) | 0.94 in (1989) |