September weather in Plainfield, IA
The average temperature in Plainfield in September is °F (°F–°F). Average precipitation: 3.64 inches.
September is a fall month in Plainfield, and is cooler than the annual average of 0°F. Daylight averages about 12h 16m.
Avg High
°F
Avg Low
°F
Precipitation
3.64 in
Daylight
12h 16m
September records in Plainfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 1.28 in (2014) |
| September 2 | — | — | 1.34 in (2018) |
| September 3 | — | — | 1.82 in (2018) |
| September 4 | — | — | 0.93 in (2018) |
| September 5 | — | — | 2.80 in (2018) |
| September 6 | — | — | 1.77 in (2020) |
| September 7 | — | — | 0.82 in (2015) |
| September 8 | — | — | 0.32 in (2015) |
| September 9 | — | — | 1.66 in (2020) |
| September 10 | — | — | 2.51 in (2016) |
| September 11 | — | — | 0.76 in (2022) |
| September 12 | — | — | 0.82 in (2020) |
| September 13 | — | — | 0.69 in (2012) |
| September 14 | — | — | 0.08 in (2021) |
| September 15 | — | — | 0.46 in (2013) |
| September 16 | — | — | 1.30 in (2016) |
| September 17 | — | — | 0.77 in (2017) |
| September 18 | — | — | 1.18 in (2025) |
| September 19 | — | — | 1.44 in (2018) |
| September 20 | — | — | 3.84 in (2018) |
| September 21 | — | — | 0.51 in (2018) |
| September 22 | — | — | 7.55 in (2016) |
| September 23 | — | — | 2.82 in (2023) |
| September 24 | — | — | 0.21 in (2023) |
| September 25 | — | — | 0.29 in (2016) |
| September 26 | — | — | 1.26 in (2017) |
| September 27 | — | — | 0.46 in (2011) |
| September 28 | — | — | 0.09 in (2013) |
| September 29 | — | — | 0.35 in (2015) |
| September 30 | — | — | 0.24 in (2018) |