September weather in Livermore, IA
The average temperature in Livermore in September is 63.4°F (51.2°F–75.6°F). Average precipitation: 3.24 inches.
September is a fall month in Livermore, and is warmer than the annual average of 46.8°F. Daily temperatures swing about 24.4°F between overnight low and afternoon high. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
75.6°F
Avg Low
51.2°F
Precipitation
3.24 in
Daylight
12h 16m
September records in Livermore
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (2012) | 46.9°F (2020) | 1.36 in (2014) |
| September 2 | 93.0°F (2011) | 46.9°F (2020) | 0.49 in (2018) |
| September 3 | 91.0°F (2012) | 45.0°F (2013) | 1.35 in (2021) |
| September 4 | 89.1°F (2015) | 46.9°F (2020) | 0.28 in (2011) |
| September 5 | 97.0°F (2012) | 43.0°F (2011) | 1.97 in (2018) |
| September 6 | 89.1°F (2013) | 44.1°F (2011) | 0.39 in (2020) |
| September 7 | 91.9°F (2020) | 43.0°F (2011) | 0.70 in (2012) |
| September 8 | 89.1°F (2013) | 42.1°F (2017) | 0.24 in (2019) |
| September 9 | 84.9°F (2022) | 43.0°F (2020) | 1.26 in (2020) |
| September 10 | 99.0°F (2013) | 44.1°F (2020) | 1.11 in (2016) |
| September 11 | 84.0°F (2011) | 44.1°F (2020) | 1.25 in (2010) |
| September 12 | 91.9°F (2012) | 42.1°F (2014) | 0.42 in (2019) |
| September 13 | 88.0°F (2011) | 33.1°F (2014) | 1.26 in (2012) |
| September 14 | 88.0°F (2017) | 34.0°F (2014) | 0.11 in (2021) |
| September 15 | 90.0°F (2017) | 30.9°F (2011) | 0.10 in (2019) |
| September 16 | 90.0°F (2017) | 36.0°F (2014) | 2.02 in (2016) |
| September 17 | 88.0°F (2021) | 39.9°F (2014) | 0.21 in (2021) |
| September 18 | 91.0°F (2018) | 37.9°F (2012) | 0.23 in (2013) |
| September 19 | 88.0°F (2013) | 39.9°F (2020) | 1.03 in (2017) |
| September 20 | 88.0°F (2021) | 45.0°F (2012) | 2.80 in (2018) |
| September 21 | 96.1°F (2022) | 39.0°F (2013) | 0.94 in (2018) |
| September 22 | 91.9°F (2016) | 34.0°F (2012) | 0.73 in (2016) |
| September 23 | 91.9°F (2017) | 30.9°F (2012) | 1.23 in (2016) |
| September 24 | 90.0°F (2017) | 32.0°F (2012) | 0.74 in (2010) |
| September 25 | 90.0°F (2017) | 34.0°F (2011) | 0.66 in (2019) |
| September 26 | 90.0°F (2020) | 37.0°F (2012) | 0.44 in (2017) |
| September 27 | 88.0°F (2021) | 36.0°F (2012) | 0.25 in (2014) |
| September 28 | 87.1°F (2021) | 30.9°F (2022) | 0.03 in (2018) |
| September 29 | 86.0°F (2021) | 34.0°F (2022) | 0.22 in (2015) |
| September 30 | 86.0°F (2010) | 35.1°F (2022) | 0.36 in (2021) |