September weather in Port Edwards, WI
The average temperature in Port Edwards in September is 60.3°F (48.7°F–71.8°F). Average precipitation: 3.43 inches.
September is a fall month in Port Edwards, and is warmer than the annual average of 44.8°F. Daily temperatures swing about 23.1°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
71.8°F
Avg Low
48.7°F
Precipitation
3.43 in
Daylight
12h 17m
September records in Port Edwards
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (2011) | 39.9°F (2009) | 0.42 in (2002) |
| September 2 | 93.9°F (2023) | 42.1°F (2009) | 1.31 in (2002) |
| September 3 | 100.0°F (2023) | 39.0°F (2025) | 0.71 in (2011) |
| September 4 | 95.0°F (2023) | 39.0°F (2025) | 1.12 in (2018) |
| September 5 | 91.0°F (2023) | 39.9°F (2010) | 0.74 in (2018) |
| September 6 | 91.9°F (2015) | 37.9°F (2011) | 2.31 in (2015) |
| September 7 | 93.9°F (2013) | 39.9°F (2024) | 1.30 in (2001) |
| September 8 | 90.0°F (2002) | 37.0°F (2025) | 1.18 in (2015) |
| September 9 | 93.9°F (2013) | 34.0°F (2008) | 0.57 in (2019) |
| September 10 | 93.0°F (2013) | 37.0°F (2008) | 0.59 in (2007) |
| September 11 | 90.0°F (2005) | 37.9°F (2020) | 1.91 in (2000) |
| September 12 | 88.0°F (2005) | 35.1°F (2007) | 1.40 in (2020) |
| September 13 | 90.0°F (1998) | 35.1°F (2014) | 1.19 in (2005) |
| September 14 | 87.1°F (2017) | 31.1°F (2007) | 0.84 in (2004) |
| September 15 | 89.1°F (2024) | 30.2°F (2011) | 0.57 in (2004) |
| September 16 | 88.0°F (2017) | 35.1°F (2000) | 0.85 in (2010) |
| September 17 | 90.0°F (2018) | 35.1°F (2011) | 0.98 in (2018) |
| September 18 | 84.9°F (2024) | 33.1°F (2012) | 0.66 in (2011) |
| September 19 | 87.1°F (2021) | 34.0°F (1996) | 1.12 in (2025) |
| September 20 | 82.0°F (2005) | 34.0°F (2006) | 0.64 in (2025) |
| September 21 | 87.1°F (2005) | 28.9°F (1999) | 2.09 in (2016) |
| September 22 | 91.0°F (2017) | 33.1°F (2013) | 1.02 in (2010) |
| September 23 | 91.0°F (2017) | 30.2°F (2012) | 4.12 in (2010) |
| September 24 | 90.0°F (2017) | 33.1°F (2012) | 0.89 in (2019) |
| September 25 | 89.1°F (2017) | 30.0°F (2000) | 0.83 in (2005) |
| September 26 | 81.0°F (1998) | 34.0°F (2010) | 1.23 in (2011) |
| September 27 | 82.9°F (2013) | 32.0°F (2012) | 0.59 in (1999) |
| September 28 | 82.9°F (2024) | 32.0°F (2012) | 0.68 in (2005) |
| September 29 | 84.9°F (2025) | 28.2°F (2018) | 0.38 in (2008) |
| September 30 | 84.9°F (2019) | 28.2°F (2009) | 0.48 in (2007) |