September weather in Cotter, AR
The average temperature in Cotter in September is 70.7°F (59.5°F–82.0°F). Average precipitation: 2.66 inches.
September is a fall month in Cotter, and is warmer than the annual average of 58.8°F. Daily temperatures swing about 22.5°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
82.0°F
Avg Low
59.5°F
Precipitation
2.66 in
Daylight
12h 13m
September records in Cotter
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (2000) | 52.0°F (2009) | 1.96 in (2020) |
| September 2 | 100.9°F (2000) | 53.1°F (2009) | 2.18 in (2022) |
| September 3 | 102.0°F (2000) | 54.0°F (2009) | 0.79 in (2008) |
| September 4 | 98.1°F (2000) | 51.1°F (2010) | 0.47 in (2023) |
| September 5 | 96.1°F (2012) | 52.0°F (2010) | 0.82 in (2009) |
| September 6 | 96.1°F (2012) | 48.9°F (2011) | 0.67 in (2023) |
| September 7 | 96.1°F (1999) | 46.9°F (2017) | 0.66 in (2012) |
| September 8 | 93.9°F (2013) | 46.9°F (2024) | 1.41 in (2001) |
| September 9 | 95.0°F (2013) | 46.9°F (2024) | 2.07 in (2010) |
| September 10 | 95.0°F (2013) | 48.0°F (2024) | 0.55 in (2014) |
| September 11 | 96.1°F (2025) | 52.0°F (2001) | 0.32 in (2010) |
| September 12 | 96.1°F (2025) | 50.0°F (2022) | 0.61 in (2023) |
| September 13 | 100.0°F (2011) | 46.9°F (2015) | 0.23 in (2008) |
| September 14 | 97.0°F (2025) | 48.0°F (2014) | 0.34 in (2010) |
| September 15 | 91.9°F (2019) | 46.9°F (2007) | 2.73 in (2005) |
| September 16 | 97.0°F (2025) | 48.9°F (2008) | 1.53 in (2016) |
| September 17 | 96.1°F (2025) | 46.9°F (2000) | 2.21 in (2011) |
| September 18 | 96.1°F (2025) | 48.9°F (2012) | 1.03 in (2011) |
| September 19 | 95.0°F (2000) | 45.0°F (2012) | 2.36 in (2009) |
| September 20 | 95.0°F (2022) | 44.1°F (2006) | 1.07 in (2013) |
| September 21 | 96.1°F (2022) | 51.1°F (1999) | 1.27 in (2009) |
| September 22 | 93.0°F (2005) | 46.9°F (2013) | 1.74 in (2006) |
| September 23 | 91.9°F (2017) | 46.0°F (1999) | 1.24 in (2001) |
| September 24 | 91.0°F (2017) | 46.9°F (2014) | 1.55 in (2000) |
| September 25 | 90.0°F (2017) | 42.1°F (2000) | 1.07 in (2019) |
| September 26 | 90.0°F (2017) | 39.9°F (2000) | 0.30 in (2019) |
| September 27 | 90.0°F (1999) | 41.0°F (2000) | 0.41 in (2024) |
| September 28 | 89.1°F (1999) | 44.1°F (2006) | 0.36 in (2013) |
| September 29 | 88.0°F (2019) | 39.9°F (2006) | 0.07 in (2013) |
| September 30 | 90.0°F (2019) | 43.0°F (2022) | 0.09 in (2003) |