September weather in Peshtigo, WI
The average temperature in Peshtigo in September is 59.3°F (48.1°F–70.5°F). Average precipitation: 3.46 inches.
September is a fall month in Peshtigo, and is warmer than the annual average of 43.7°F. Daily temperatures swing about 22.4°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
70.5°F
Avg Low
48.1°F
Precipitation
3.46 in
Daylight
12h 18m
September records in Peshtigo
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 88.0°F (2008) | 36.0°F (2009) | 0.78 in (1948) |
| September 2 | 88.0°F (2008) | 39.0°F (2009) | 0.40 in (2000) |
| September 3 | 89.1°F (2008) | 39.9°F (2009) | 0.98 in (2015) |
| September 4 | 90.0°F (2023) | 36.0°F (2025) | 1.03 in (2018) |
| September 5 | 90.0°F (2023) | 37.0°F (2010) | 2.45 in (2014) |
| September 6 | 88.0°F (2023) | 37.0°F (2010) | 0.66 in (2024) |
| September 7 | 84.9°F (2015) | 37.9°F (2011) | 1.52 in (2001) |
| September 8 | 86.0°F (2013) | 37.9°F (2011) | 1.22 in (2013) |
| September 9 | 82.0°F (2022) | 35.1°F (2008) | 0.92 in (2015) |
| September 10 | 81.0°F (2022) | 35.1°F (2008) | 0.78 in (2016) |
| September 11 | 88.0°F (2013) | 36.0°F (2020) | 1.28 in (2000) |
| September 12 | 84.0°F (2011) | 37.0°F (2014) | 0.92 in (2003) |
| September 13 | 84.9°F (2011) | 37.0°F (2015) | 2.57 in (2019) |
| September 14 | 82.0°F (2009) | 37.9°F (2010) | 1.53 in (1998) |
| September 15 | 84.0°F (2009) | 33.1°F (2011) | 1.26 in (1994) |
| September 16 | 86.0°F (2024) | 30.9°F (2011) | 0.89 in (2010) |
| September 17 | 87.1°F (2024) | 33.1°F (2011) | 1.39 in (1997) |
| September 18 | 89.1°F (2018) | 33.1°F (2013) | 1.07 in (1950) |
| September 19 | 82.9°F (2024) | 28.9°F (2012) | 1.22 in (2002) |
| September 20 | 82.9°F (2021) | 28.0°F (2012) | 0.98 in (2002) |
| September 21 | 82.0°F (2024) | 37.0°F (2011) | 0.69 in (2009) |
| September 22 | 80.1°F (2019) | 33.1°F (2012) | 0.95 in (1996) |
| September 23 | 87.1°F (2017) | 30.0°F (2013) | 1.52 in (2019) |
| September 24 | 89.1°F (2017) | 28.9°F (2012) | 2.39 in (2010) |
| September 25 | 90.0°F (2017) | 34.0°F (2012) | 0.50 in (2005) |
| September 26 | 87.1°F (2017) | 37.0°F (2013) | 1.45 in (1994) |
| September 27 | 80.1°F (2024) | 33.1°F (2010) | 1.03 in (2011) |
| September 28 | 79.0°F (2024) | 32.0°F (2010) | 0.78 in (2005) |
| September 29 | 81.0°F (2015) | 30.0°F (2012) | 0.36 in (2017) |
| September 30 | 79.0°F (2025) | 30.0°F (2022) | 0.69 in (2011) |