September weather in Campbellsport, WI
The average temperature in Campbellsport in September is °F (°F–°F). Average precipitation: 3.25 inches.
September is a fall month in Campbellsport, and is cooler than the annual average of 0°F. Expect about 10 days with precipitation. Daylight averages about 12h 17m.
Avg High
°F
Avg Low
°F
Precipitation
3.25 in
Daylight
12h 17m
September records in Campbellsport
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 1.25 in (2010) |
| September 2 | — | — | 1.08 in (2018) |
| September 3 | — | — | 2.51 in (2018) |
| September 4 | — | — | 0.31 in (2025) |
| September 5 | — | — | 1.27 in (2008) |
| September 6 | — | — | 0.66 in (2018) |
| September 7 | — | — | 2.50 in (2016) |
| September 8 | — | — | 1.85 in (2016) |
| September 9 | — | — | 0.51 in (2015) |
| September 10 | — | — | 0.99 in (2019) |
| September 11 | — | — | 0.74 in (2007) |
| September 12 | — | — | 2.75 in (2022) |
| September 13 | — | — | 0.83 in (2019) |
| September 14 | — | — | 1.61 in (2008) |
| September 15 | — | — | 0.46 in (2013) |
| September 16 | — | — | 0.25 in (2014) |
| September 17 | — | — | 0.72 in (2016) |
| September 18 | — | — | 1.72 in (2015) |
| September 19 | — | — | 0.64 in (2011) |
| September 20 | — | — | 0.97 in (2013) |
| September 21 | — | — | 1.43 in (2021) |
| September 22 | — | — | 0.73 in (2024) |
| September 23 | — | — | 1.69 in (2019) |
| September 24 | — | — | 0.12 in (2022) |
| September 25 | — | — | 0.25 in (2011) |
| September 26 | — | — | 2.30 in (2023) |
| September 27 | — | — | 0.55 in (2011) |
| September 28 | — | — | 0.49 in (2009) |
| September 29 | — | — | 0.90 in (2015) |
| September 30 | — | — | 0.58 in (2011) |