September weather in Ishpeming, MI
The average temperature in Ishpeming in September is 56.0°F (44.1°F–67.9°F). Average precipitation: 3.61 inches.
September is a fall month in Ishpeming, and is warmer than the annual average of 39.8°F. Daily temperatures swing about 23.8°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
67.9°F
Avg Low
44.1°F
Precipitation
3.61 in
Daylight
12h 19m
September records in Ishpeming
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 89.1°F (2008) | 33.1°F (2017) | 0.37 in (2010) |
| September 2 | 89.1°F (2008) | 33.1°F (2017) | 0.33 in (2025) |
| September 3 | 90.0°F (2008) | 37.9°F (2021) | 0.75 in (2019) |
| September 4 | 93.9°F (2023) | 37.9°F (2025) | 0.97 in (2007) |
| September 5 | 88.0°F (2023) | 37.9°F (2013) | 1.90 in (2018) |
| September 6 | 89.1°F (2007) | 33.1°F (2011) | 0.87 in (2018) |
| September 7 | 89.1°F (2007) | 33.1°F (2011) | 0.77 in (2016) |
| September 8 | 82.0°F (2015) | 35.1°F (2017) | 0.65 in (2016) |
| September 9 | 82.0°F (2022) | 30.9°F (2017) | 0.65 in (2015) |
| September 10 | 86.0°F (2011) | 30.9°F (2017) | 0.78 in (2022) |
| September 11 | 82.9°F (2009) | 30.9°F (2017) | 1.90 in (2014) |
| September 12 | 84.9°F (2011) | 34.0°F (2014) | 0.54 in (2010) |
| September 13 | 87.1°F (2011) | 32.0°F (2014) | 1.10 in (2020) |
| September 14 | 82.9°F (2017) | 32.0°F (2014) | 1.20 in (2021) |
| September 15 | 86.0°F (2024) | 0.0°F (2012) | 0.24 in (2007) |
| September 16 | 88.0°F (2024) | 28.0°F (2011) | 1.33 in (2010) |
| September 17 | 84.9°F (2024) | 30.0°F (2011) | 1.30 in (2016) |
| September 18 | 82.9°F (2025) | 28.9°F (2020) | 0.83 in (2012) |
| September 19 | 82.0°F (2024) | 26.1°F (2020) | 0.92 in (2012) |
| September 20 | 81.0°F (2021) | 32.0°F (2010) | 1.23 in (2013) |
| September 21 | 82.0°F (2023) | 32.0°F (2010) | 0.70 in (2018) |
| September 22 | 86.0°F (2019) | 30.9°F (2014) | 1.11 in (2007) |
| September 23 | 82.9°F (2017) | 30.9°F (2022) | 0.48 in (2019) |
| September 24 | 88.0°F (2017) | 32.0°F (2013) | 1.95 in (2010) |
| September 25 | 89.1°F (2017) | 30.0°F (2022) | 0.86 in (2019) |
| September 26 | 77.0°F (2025) | 30.9°F (2012) | 0.45 in (2022) |
| September 27 | 81.0°F (2024) | 28.9°F (2012) | 1.25 in (2020) |
| September 28 | 81.0°F (2024) | 28.9°F (2012) | 0.35 in (2018) |
| September 29 | 82.0°F (2014) | 30.9°F (2022) | 0.81 in (2009) |
| September 30 | 81.0°F (2025) | 28.0°F (2015) | 2.00 in (2011) |