September weather in Lewisville, AR
The average temperature in Lewisville in September is 75.9°F (63.3°F–88.5°F). Average precipitation: 3.72 inches.
September is a fall month in Lewisville, and is warmer than the annual average of 63.8°F. Daily temperatures swing about 25.2°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 12h 12m. For travel, September is hot.
Avg High
88.5°F
Avg Low
63.3°F
Precipitation
3.72 in
Daylight
12h 12m
September records in Lewisville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 104.0°F (1995) | 57.0°F (2009) | 4.73 in (2001) |
| September 2 | 107.1°F (2000) | 55.9°F (2009) | 2.10 in (1992) |
| September 3 | 108.0°F (2000) | 55.9°F (2009) | 3.27 in (2008) |
| September 4 | 109.9°F (2000) | 53.1°F (1997) | 1.09 in (1991) |
| September 5 | 109.0°F (2000) | 53.1°F (1997) | 0.06 in (2007) |
| September 6 | 100.9°F (2019) | 53.1°F (2011) | 0.82 in (2025) |
| September 7 | 104.0°F (2012) | 48.9°F (2011) | 2.00 in (2014) |
| September 8 | 102.0°F (2019) | 51.1°F (2011) | 0.99 in (2012) |
| September 9 | 102.9°F (2019) | 53.1°F (2011) | 2.59 in (2001) |
| September 10 | 99.0°F (2019) | 51.1°F (2011) | 1.91 in (2007) |
| September 11 | 99.0°F (2019) | 52.0°F (2011) | 1.45 in (1998) |
| September 12 | 97.0°F (2000) | 55.0°F (1992) | 2.63 in (1998) |
| September 13 | 100.9°F (2011) | 53.1°F (2015) | 1.88 in (2009) |
| September 14 | 106.0°F (2011) | 53.1°F (2006) | 2.65 in (1998) |
| September 15 | 100.9°F (2019) | 46.9°F (1993) | 1.90 in (2009) |
| September 16 | 100.0°F (2019) | 45.0°F (1993) | 0.92 in (1995) |
| September 17 | 100.0°F (2019) | 46.9°F (1993) | 0.33 in (1995) |
| September 18 | 100.0°F (2019) | 50.0°F (2000) | 1.47 in (2009) |
| September 19 | 99.0°F (2010) | 48.9°F (1991) | 1.60 in (1995) |
| September 20 | 102.0°F (2010) | 46.0°F (1991) | 2.18 in (1996) |
| September 21 | 98.1°F (2005) | 46.9°F (1991) | 4.82 in (2013) |
| September 22 | 100.0°F (2005) | 44.1°F (1995) | 5.15 in (2020) |
| September 23 | 99.0°F (2022) | 44.1°F (1995) | 1.89 in (2018) |
| September 24 | 99.0°F (2000) | 44.1°F (1999) | 3.59 in (2025) |
| September 25 | 97.0°F (2010) | 48.0°F (1991) | 5.08 in (2005) |
| September 26 | 97.0°F (2011) | 45.0°F (1991) | 0.80 in (2010) |
| September 27 | 96.1°F (2019) | 44.1°F (1991) | 0.96 in (1996) |
| September 28 | 96.1°F (1994) | 46.0°F (1991) | 0.04 in (2020) |
| September 29 | 96.1°F (1994) | 39.9°F (1992) | 2.54 in (2013) |
| September 30 | 99.0°F (2011) | 39.9°F (1992) | 0.07 in (2013) |