September weather in Brownsville, KY
The average temperature in Brownsville in September is 69.7°F (59.5°F–79.9°F). Average precipitation: 3.68 inches.
September is a fall month in Brownsville, and is warmer than the annual average of 57.5°F. Daily temperatures swing about 20.4°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 13m. For travel, September is one of the best months of the year to visit.
Avg High
79.9°F
Avg Low
59.5°F
Precipitation
3.68 in
Daylight
12h 13m
September records in Brownsville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.8°F (2011) | 53.1°F (2017) | 6.65 in (2017) |
| September 2 | 99.0°F (2011) | 52.9°F (2017) | 3.46 in (2020) |
| September 3 | 99.5°F (2011) | 53.6°F (2017) | 1.06 in (2009) |
| September 4 | 95.5°F (2007) | 51.1°F (2010) | 0.56 in (2025) |
| September 5 | 94.8°F (2007) | 46.9°F (2010) | 1.36 in (2022) |
| September 6 | 89.4°F (2015) | 49.6°F (2017) | 1.48 in (2018) |
| September 7 | 91.6°F (2007) | 46.2°F (2017) | 0.74 in (2012) |
| September 8 | 89.6°F (2016) | 48.4°F (2024) | 0.43 in (2012) |
| September 9 | 89.6°F (2013) | 47.5°F (2024) | 0.42 in (2018) |
| September 10 | 95.2°F (2019) | 50.7°F (2017) | 1.19 in (2007) |
| September 11 | 92.8°F (2019) | 52.3°F (2017) | 1.43 in (2015) |
| September 12 | 93.2°F (2019) | 48.7°F (2015) | 0.58 in (2024) |
| September 13 | 93.6°F (2019) | 46.0°F (2015) | 0.35 in (2017) |
| September 14 | 88.2°F (2018) | 47.1°F (2013) | 0.15 in (2017) |
| September 15 | 92.3°F (2019) | 48.0°F (2007) | 0.30 in (2021) |
| September 16 | 95.4°F (2019) | 47.1°F (2007) | 0.22 in (2004) |
| September 17 | 90.0°F (2019) | 49.8°F (2014) | 0.69 in (2016) |
| September 18 | 90.3°F (2018) | 46.4°F (2012) | 1.31 in (2021) |
| September 19 | 91.2°F (2018) | 44.2°F (2012) | 0.94 in (2021) |
| September 20 | 92.5°F (2018) | 43.5°F (2006) | 1.64 in (2013) |
| September 21 | 93.7°F (2022) | 45.9°F (2006) | 1.70 in (2021) |
| September 22 | 93.7°F (2010) | 46.2°F (2012) | 3.33 in (2006) |
| September 23 | 92.1°F (2010) | 39.2°F (2012) | 2.76 in (2006) |
| September 24 | 92.5°F (2007) | 38.8°F (2012) | 1.80 in (2018) |
| September 25 | 92.8°F (2007) | 48.6°F (2021) | 0.44 in (2005) |
| September 26 | 87.6°F (2023) | 45.7°F (2022) | 1.17 in (2011) |
| September 27 | 91.9°F (2019) | 40.8°F (2022) | 3.67 in (2024) |
| September 28 | 91.2°F (2019) | 41.5°F (2022) | 0.61 in (2024) |
| September 29 | 94.3°F (2019) | 42.1°F (2006) | 0.54 in (2015) |
| September 30 | 95.2°F (2019) | 44.1°F (2009) | 0.30 in (2015) |