September weather in Liberal, MO
The average temperature in Liberal in September is 68.6°F (55.9°F–81.3°F). Average precipitation: 5.15 inches.
September is a fall month in Liberal, and is warmer than the annual average of 56.7°F. Daily temperatures swing about 25.4°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 14m. For travel, September is a wet month.
Avg High
81.3°F
Avg Low
55.9°F
Precipitation
5.15 in
Daylight
12h 14m
September records in Liberal
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (2011) | 45.7°F (2009) | 3.67 in (2010) |
| September 2 | 99.3°F (2011) | 50.4°F (2007) | 0.93 in (2010) |
| September 3 | 97.7°F (2012) | 52.2°F (2010) | 2.54 in (2008) |
| September 4 | 95.5°F (2012) | 47.7°F (2010) | 2.33 in (2008) |
| September 5 | 94.8°F (2023) | 48.7°F (2011) | 0.74 in (2014) |
| September 6 | 93.0°F (2012) | 44.6°F (2011) | 0.59 in (2018) |
| September 7 | 92.3°F (2013) | 44.6°F (2011) | 1.52 in (2012) |
| September 8 | 95.0°F (2013) | 41.9°F (2024) | 2.67 in (2007) |
| September 9 | 93.2°F (2013) | 42.4°F (2024) | 1.76 in (2010) |
| September 10 | 91.0°F (2010) | 43.9°F (2024) | 0.57 in (2020) |
| September 11 | 91.8°F (2024) | 47.7°F (2016) | 0.36 in (2023) |
| September 12 | 93.4°F (2011) | 47.1°F (2022) | 0.77 in (2019) |
| September 13 | 100.9°F (2011) | 44.8°F (2014) | 2.87 in (2008) |
| September 14 | 90.7°F (2025) | 45.5°F (2014) | 1.69 in (2012) |
| September 15 | 93.0°F (2025) | 40.8°F (2011) | 1.31 in (2012) |
| September 16 | 93.7°F (2025) | 43.0°F (2008) | 1.52 in (2016) |
| September 17 | 92.8°F (2022) | 46.4°F (2008) | 1.65 in (2017) |
| September 18 | 96.6°F (2022) | 46.2°F (2023) | 2.38 in (2014) |
| September 19 | 97.7°F (2022) | 45.9°F (2020) | 0.70 in (2023) |
| September 20 | 96.8°F (2022) | 43.3°F (2020) | 0.34 in (2025) |
| September 21 | 99.0°F (2022) | 46.6°F (2013) | 3.45 in (2009) |
| September 22 | 89.1°F (2017) | 43.5°F (2021) | 1.44 in (2019) |
| September 23 | 90.5°F (2023) | 40.1°F (2021) | 1.69 in (2023) |
| September 24 | 91.8°F (2022) | 48.9°F (2020) | 0.67 in (2019) |
| September 25 | 86.9°F (2017) | 42.3°F (2011) | 0.68 in (2018) |
| September 26 | 89.1°F (2021) | 36.3°F (2011) | 1.07 in (2017) |
| September 27 | 90.0°F (2021) | 37.9°F (2018) | 0.28 in (2020) |
| September 28 | 89.1°F (2023) | 45.1°F (2020) | 0.43 in (2013) |
| September 29 | 89.6°F (2023) | 42.3°F (2009) | 0.00 in (2007) |
| September 30 | 88.7°F (2023) | 38.5°F (2022) | 0.04 in (2007) |