September weather in South Rockwood, MI
The average temperature in South Rockwood in September is 64.5°F (54.2°F–74.9°F). Average precipitation: 3.13 inches.
September is a fall month in South Rockwood, and is warmer than the annual average of 49.2°F. Daily temperatures swing about 20.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
74.9°F
Avg Low
54.2°F
Precipitation
3.13 in
Daylight
12h 16m
September records in South Rockwood
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 95.0°F (2012) | 48.0°F (2009) | 0.15 in (2016) |
| September 2 | 91.0°F (2010) | 48.9°F (2009) | 0.29 in (2012) |
| September 3 | 98.1°F (2011) | 50.0°F (2009) | 0.15 in (2014) |
| September 4 | 93.0°F (2011) | 51.1°F (2021) | 1.16 in (2015) |
| September 5 | 93.0°F (2018) | 50.0°F (2010) | 0.46 in (2011) |
| September 6 | 93.0°F (2014) | 45.0°F (2017) | 0.50 in (2014) |
| September 7 | 91.9°F (2015) | 45.0°F (2017) | 0.56 in (2020) |
| September 8 | 93.0°F (2016) | 46.0°F (2017) | 1.13 in (2011) |
| September 9 | 89.1°F (2015) | 42.1°F (2017) | 0.93 in (2007) |
| September 10 | 82.9°F (2006) | 42.1°F (2017) | 1.01 in (2016) |
| September 11 | 98.1°F (2013) | 44.1°F (2017) | 3.55 in (2014) |
| September 12 | 91.0°F (2013) | 48.9°F (2007) | 1.07 in (2019) |
| September 13 | 88.0°F (2005) | 45.0°F (2015) | 1.89 in (2006) |
| September 14 | 88.0°F (2005) | 39.0°F (2013) | 1.50 in (2008) |
| September 15 | 87.1°F (2021) | 39.0°F (2013) | 0.57 in (2008) |
| September 16 | 86.0°F (2015) | 39.0°F (2007) | 0.27 in (2005) |
| September 17 | 84.9°F (2015) | 39.9°F (2007) | 0.33 in (2010) |
| September 18 | 86.0°F (2015) | 41.0°F (2013) | 0.70 in (2016) |
| September 19 | 91.0°F (2018) | 33.1°F (2020) | 0.73 in (2015) |
| September 20 | 82.0°F (2007) | 32.0°F (2020) | 0.68 in (2017) |
| September 21 | 84.0°F (2016) | 37.0°F (2006) | 1.49 in (2013) |
| September 22 | 90.0°F (2010) | 37.0°F (2006) | 2.15 in (2021) |
| September 23 | 87.1°F (2019) | 42.1°F (2012) | 2.59 in (2021) |
| September 24 | 89.1°F (2010) | 37.0°F (2012) | 0.57 in (2011) |
| September 25 | 87.1°F (2017) | 39.0°F (2012) | 0.67 in (2018) |
| September 26 | 88.0°F (2017) | 41.0°F (2006) | 0.68 in (2018) |
| September 27 | 91.0°F (2017) | 39.9°F (2006) | 1.10 in (2011) |
| September 28 | 84.9°F (2021) | 43.0°F (2018) | 1.12 in (2019) |
| September 29 | 82.0°F (2014) | 36.0°F (2006) | 1.19 in (2016) |
| September 30 | 81.0°F (2014) | 35.1°F (2006) | 0.71 in (2016) |