September weather in Tecumseh, MI
The average temperature in Tecumseh in September is 63.0°F (49.9°F–76.2°F). Average precipitation: 3.26 inches.
September is a fall month in Tecumseh, and is warmer than the annual average of 48.6°F. Daily temperatures swing about 26.3°F between overnight low and afternoon high. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
76.2°F
Avg Low
49.9°F
Precipitation
3.26 in
Daylight
12h 16m
September records in Tecumseh
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (2010) | 42.1°F (2009) | 0.72 in (2003) |
| September 2 | 97.0°F (2011) | 44.1°F (2009) | 0.62 in (2018) |
| September 3 | 96.1°F (2011) | 46.9°F (2017) | 0.72 in (2008) |
| September 4 | 91.9°F (2015) | 44.1°F (2010) | 0.92 in (2015) |
| September 5 | 91.9°F (2018) | 44.1°F (2010) | 0.88 in (2006) |
| September 6 | 93.9°F (2014) | 42.1°F (2017) | 0.77 in (2004) |
| September 7 | 93.9°F (2002) | 42.1°F (2017) | 1.00 in (2020) |
| September 8 | 95.0°F (2002) | 39.9°F (2024) | 1.17 in (2001) |
| September 9 | 93.9°F (2002) | 41.0°F (2017) | 1.30 in (1997) |
| September 10 | 93.0°F (2002) | 39.9°F (2017) | 1.37 in (2016) |
| September 11 | 95.0°F (2013) | 39.9°F (2017) | 2.80 in (2014) |
| September 12 | 93.0°F (2013) | 42.1°F (2007) | 1.91 in (2019) |
| September 13 | 91.9°F (2005) | 42.1°F (2007) | 3.17 in (2008) |
| September 14 | 90.0°F (2002) | 37.0°F (2013) | 1.16 in (2008) |
| September 15 | 90.0°F (2021) | 35.1°F (2007) | 0.72 in (2021) |
| September 16 | 84.0°F (2004) | 35.1°F (2007) | 0.92 in (2010) |
| September 17 | 86.0°F (2018) | 37.9°F (2013) | 0.80 in (2005) |
| September 18 | 88.0°F (2017) | 37.9°F (2013) | 2.22 in (2002) |
| September 19 | 91.0°F (2018) | 30.0°F (2020) | 1.54 in (2002) |
| September 20 | 86.0°F (2016) | 35.1°F (2020) | 0.87 in (1998) |
| September 21 | 90.0°F (2010) | 35.1°F (2006) | 0.78 in (2014) |
| September 22 | 93.9°F (2017) | 36.0°F (2020) | 2.05 in (2021) |
| September 23 | 93.0°F (2017) | 35.1°F (2022) | 1.77 in (2021) |
| September 24 | 93.9°F (2017) | 35.1°F (2012) | 1.00 in (2003) |
| September 25 | 91.9°F (2017) | 35.1°F (2012) | 0.75 in (2005) |
| September 26 | 93.0°F (2017) | 37.9°F (2021) | 1.34 in (2018) |
| September 27 | 93.0°F (2017) | 39.9°F (2021) | 1.15 in (1996) |
| September 28 | 82.0°F (2017) | 35.1°F (2006) | 1.20 in (2019) |
| September 29 | 82.9°F (2015) | 35.1°F (2006) | 0.60 in (2016) |
| September 30 | 84.0°F (2002) | 30.0°F (2009) | 0.42 in (2016) |