September weather in Hillsboro, IA
The average temperature in Hillsboro in September is °F (°F–°F). Average precipitation: 3.69 inches.
September is a fall month in Hillsboro, and is cooler than the annual average of 0°F. Daylight averages about 12h 15m.
Avg High
°F
Avg Low
°F
Precipitation
3.69 in
Daylight
12h 15m
September records in Hillsboro
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 0.38 in (2014) |
| September 2 | — | — | 0.53 in (2012) |
| September 3 | — | — | 0.63 in (2011) |
| September 4 | — | — | 0.33 in (2021) |
| September 5 | — | — | 0.52 in (2012) |
| September 6 | — | — | 0.96 in (2018) |
| September 7 | — | — | 0.90 in (2018) |
| September 8 | — | — | 2.65 in (2020) |
| September 9 | — | — | 1.14 in (2020) |
| September 10 | — | — | 3.20 in (2014) |
| September 11 | — | — | 1.51 in (2022) |
| September 12 | — | — | 0.49 in (2023) |
| September 13 | — | — | 0.24 in (2020) |
| September 14 | — | — | 0.22 in (2012) |
| September 15 | — | — | 1.63 in (2019) |
| September 16 | — | — | 1.12 in (2014) |
| September 17 | — | — | 0.42 in (2023) |
| September 18 | — | — | 1.51 in (2022) |
| September 19 | — | — | 1.25 in (2018) |
| September 20 | — | — | 0.78 in (2013) |
| September 21 | — | — | 3.80 in (2017) |
| September 22 | — | — | 1.18 in (2019) |
| September 23 | — | — | 1.30 in (2019) |
| September 24 | — | — | 0.07 in (2022) |
| September 25 | — | — | 0.02 in (2021) |
| September 26 | — | — | 0.69 in (2018) |
| September 27 | — | — | 0.32 in (2011) |
| September 28 | — | — | 1.67 in (2019) |
| September 29 | — | — | 0.70 in (2019) |
| September 30 | — | — | 1.50 in (2019) |