September weather in Collinsville, AL
The average temperature in Collinsville in September is 70.3°F (59.3°F–81.4°F). Average precipitation: 4.48 inches.
September is a fall month in Collinsville, and is warmer than the annual average of 59°F. Daily temperatures swing about 22.1°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 12m. For travel, September is a comfortable month to visit.
Avg High
81.4°F
Avg Low
59.3°F
Precipitation
4.48 in
Daylight
12h 12m
September records in Collinsville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.2°F (2016) | 55.2°F (2022) | 0.07 in (2024) |
| September 2 | 93.0°F (2011) | 52.7°F (2017) | 1.70 in (2012) |
| September 3 | 93.9°F (2011) | 53.1°F (2017) | 1.41 in (2012) |
| September 4 | 91.0°F (2019) | 52.0°F (2010) | 0.59 in (2022) |
| September 5 | 88.3°F (2016) | 45.1°F (2010) | 8.78 in (2011) |
| September 6 | 89.8°F (2016) | 48.2°F (2017) | 1.06 in (2025) |
| September 7 | 92.5°F (2010) | 45.1°F (2017) | 1.53 in (2006) |
| September 8 | 89.2°F (2016) | 46.2°F (2017) | 0.96 in (2008) |
| September 9 | 92.1°F (2019) | 50.2°F (2012) | 0.56 in (2018) |
| September 10 | 93.2°F (2010) | 49.6°F (2011) | 0.43 in (2018) |
| September 11 | 95.0°F (2010) | 51.4°F (2011) | 2.85 in (2017) |
| September 12 | 91.2°F (2019) | 50.7°F (2022) | 0.80 in (2006) |
| September 13 | 94.8°F (2019) | 47.1°F (2015) | 0.79 in (2024) |
| September 14 | 92.7°F (2016) | 43.3°F (2015) | 2.29 in (2007) |
| September 15 | 91.6°F (2016) | 48.4°F (2007) | 0.06 in (2009) |
| September 16 | 93.6°F (2019) | 48.2°F (2007) | 1.55 in (2009) |
| September 17 | 93.7°F (2019) | 53.8°F (2008) | 0.87 in (2012) |
| September 18 | 92.5°F (2010) | 52.3°F (2012) | 0.94 in (2012) |
| September 19 | 94.5°F (2010) | 45.0°F (2012) | 1.77 in (2009) |
| September 20 | 95.5°F (2010) | 45.0°F (2012) | 1.83 in (2021) |
| September 21 | 96.3°F (2010) | 45.0°F (2006) | 1.69 in (2013) |
| September 22 | 92.5°F (2010) | 49.6°F (2013) | 0.61 in (2009) |
| September 23 | 92.1°F (2016) | 45.5°F (2021) | 1.31 in (2006) |
| September 24 | 92.8°F (2016) | 41.4°F (2012) | 2.82 in (2018) |
| September 25 | 94.8°F (2016) | 45.0°F (2008) | 1.05 in (2024) |
| September 26 | 91.6°F (2019) | 45.9°F (2006) | 1.72 in (2018) |
| September 27 | 92.3°F (2019) | 43.3°F (2022) | 1.51 in (2024) |
| September 28 | 88.5°F (2019) | 42.4°F (2022) | 0.25 in (2005) |
| September 29 | 91.4°F (2019) | 41.0°F (2006) | 0.07 in (2005) |
| September 30 | 92.5°F (2019) | 44.2°F (2020) | 1.78 in (2012) |