September weather in Milan, MI
The average temperature in Milan in September is 63.5°F (52.5°F–74.5°F). Average precipitation: 3.15 inches.
September is a fall month in Milan, and is warmer than the annual average of 49.2°F. Daily temperatures swing about 22°F between overnight low and afternoon high. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
74.5°F
Avg Low
52.5°F
Precipitation
3.15 in
Daylight
12h 16m
September records in Milan
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (2010) | 46.0°F (2009) | 0.10 in (2014) |
| September 2 | 91.0°F (2010) | 46.0°F (2009) | 0.39 in (2014) |
| September 3 | 95.0°F (2011) | 46.9°F (2014) | 0.46 in (2010) |
| September 4 | 93.9°F (2011) | 46.0°F (2014) | 1.70 in (2018) |
| September 5 | 90.0°F (2023) | 45.0°F (2010) | 0.47 in (2017) |
| September 6 | 90.0°F (2018) | 45.0°F (2017) | 0.53 in (2015) |
| September 7 | 89.1°F (2007) | 46.9°F (2017) | 1.10 in (2020) |
| September 8 | 90.0°F (2015) | 46.9°F (2004) | 0.99 in (2011) |
| September 9 | 88.0°F (2015) | 42.1°F (2025) | 1.00 in (2007) |
| September 10 | 84.0°F (2005) | 39.9°F (2024) | 1.72 in (2011) |
| September 11 | 91.9°F (2013) | 46.0°F (2017) | 1.84 in (2014) |
| September 12 | 91.0°F (2005) | 43.0°F (2012) | 1.90 in (2019) |
| September 13 | 91.9°F (2005) | 45.0°F (2004) | 1.60 in (2006) |
| September 14 | 91.9°F (2005) | 39.9°F (2013) | 3.56 in (2008) |
| September 15 | 89.1°F (2021) | 39.9°F (2013) | 0.92 in (2008) |
| September 16 | 84.9°F (2004) | 37.9°F (2007) | 1.00 in (2005) |
| September 17 | 84.0°F (2024) | 35.1°F (2020) | 0.42 in (2010) |
| September 18 | 84.9°F (2017) | 39.0°F (2020) | 0.12 in (2012) |
| September 19 | 89.1°F (2018) | 37.0°F (2012) | 0.65 in (2015) |
| September 20 | 86.0°F (2021) | 35.1°F (2020) | 0.95 in (2013) |
| September 21 | 82.9°F (2017) | 37.9°F (2006) | 0.53 in (2014) |
| September 22 | 91.0°F (2017) | 39.0°F (2006) | 2.00 in (2021) |
| September 23 | 90.0°F (2017) | 41.0°F (2020) | 1.80 in (2021) |
| September 24 | 91.0°F (2017) | 35.1°F (2012) | 0.25 in (2021) |
| September 25 | 89.1°F (2007) | 37.0°F (2012) | 0.75 in (2018) |
| September 26 | 91.0°F (2017) | 41.0°F (2006) | 1.12 in (2018) |
| September 27 | 91.0°F (2017) | 43.0°F (2004) | 0.45 in (2011) |
| September 28 | 81.0°F (2021) | 44.1°F (2004) | 1.08 in (2019) |
| September 29 | 84.9°F (2025) | 37.9°F (2006) | 0.41 in (2010) |
| September 30 | 80.1°F (2025) | 28.9°F (2004) | 0.34 in (2011) |