September weather in Augusta, MO
The average temperature in Augusta in September is 67.7°F (55.9°F–79.5°F). Average precipitation: 3.71 inches.
September is a fall month in Augusta, and is warmer than the annual average of 54.8°F. Daily temperatures swing about 23.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 14m. For travel, September is one of the best months of the year to visit.
Avg High
79.5°F
Avg Low
55.9°F
Precipitation
3.71 in
Daylight
12h 14m
September records in Augusta
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 99.0°F (2011) | 48.0°F (2009) | 1.92 in (2003) |
| September 2 | 100.0°F (2011) | 48.0°F (2009) | 1.52 in (2014) |
| September 3 | 90.0°F (2018) | 50.0°F (2017) | 1.48 in (2010) |
| September 4 | 91.9°F (2018) | 51.1°F (2010) | 1.41 in (1951) |
| September 5 | 93.0°F (2014) | 50.0°F (2010) | 1.94 in (2008) |
| September 6 | 93.0°F (2014) | 48.0°F (2017) | 0.67 in (2007) |
| September 7 | 93.0°F (2016) | 45.0°F (2017) | 0.55 in (2007) |
| September 8 | 93.0°F (2013) | 41.0°F (2024) | 1.54 in (2018) |
| September 9 | 88.0°F (2020) | 42.1°F (2024) | 3.52 in (2016) |
| September 10 | 96.1°F (2013) | 44.1°F (2024) | 2.17 in (2016) |
| September 11 | 96.1°F (2013) | 46.0°F (2024) | 0.67 in (2010) |
| September 12 | 93.9°F (2013) | 48.9°F (2017) | 3.87 in (1949) |
| September 13 | 93.9°F (2025) | 43.0°F (2014) | 0.29 in (1999) |
| September 14 | 96.1°F (2025) | 42.1°F (2014) | 4.93 in (2008) |
| September 15 | 97.0°F (2025) | 42.1°F (2014) | 1.90 in (2005) |
| September 16 | 93.0°F (2025) | 45.0°F (2011) | 1.69 in (2004) |
| September 17 | 93.0°F (2019) | 48.9°F (2014) | 1.59 in (1997) |
| September 18 | 93.0°F (2025) | 48.0°F (2023) | 0.64 in (2002) |
| September 19 | 93.9°F (2018) | 42.1°F (2012) | 2.78 in (2010) |
| September 20 | 95.0°F (2022) | 43.0°F (2020) | 3.19 in (2009) |
| September 21 | 96.1°F (2022) | 41.0°F (2015) | 1.42 in (2021) |
| September 22 | 93.9°F (2022) | 45.0°F (2020) | 1.10 in (2024) |
| September 23 | 95.0°F (2017) | 36.0°F (2012) | 0.98 in (1951) |
| September 24 | 91.0°F (2017) | 36.0°F (2012) | 2.13 in (2024) |
| September 25 | 91.0°F (2017) | 39.0°F (2012) | 0.90 in (1994) |
| September 26 | 89.1°F (2016) | 41.0°F (2011) | 0.78 in (2018) |
| September 27 | 90.0°F (2023) | 42.1°F (2022) | 1.03 in (2003) |
| September 28 | 91.0°F (2021) | 42.1°F (2022) | 0.46 in (2020) |
| September 29 | 89.1°F (2021) | 39.9°F (2022) | 1.07 in (2005) |
| September 30 | 89.1°F (2019) | 39.9°F (2022) | 0.42 in (2008) |