September weather in Crystal Falls, MI
The average temperature in Crystal Falls in September is 56.3°F (44.9°F–67.6°F). Average precipitation: 3.52 inches.
September is a fall month in Crystal Falls, and is warmer than the annual average of 40.4°F. Daily temperatures swing about 22.7°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
67.6°F
Avg Low
44.9°F
Precipitation
3.52 in
Daylight
12h 18m
September records in Crystal Falls
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 89.1°F (2000) | 32.0°F (2017) | 0.77 in (2000) |
| September 2 | 88.0°F (2008) | 32.0°F (2017) | 0.49 in (2014) |
| September 3 | 87.1°F (2008) | 35.1°F (2011) | 2.20 in (2015) |
| September 4 | 87.1°F (1999) | 35.1°F (2011) | 1.03 in (2014) |
| September 5 | 90.0°F (2023) | 35.1°F (2000) | 4.10 in (2018) |
| September 6 | 89.1°F (1998) | 32.0°F (2011) | 1.18 in (2023) |
| September 7 | 86.0°F (2023) | 36.0°F (2011) | 1.35 in (2016) |
| September 8 | 89.1°F (2002) | 34.0°F (2017) | 0.93 in (2016) |
| September 9 | 82.9°F (2013) | 33.1°F (2006) | 0.33 in (2006) |
| September 10 | 89.1°F (2002) | 28.0°F (2006) | 1.35 in (2025) |
| September 11 | 82.0°F (1998) | 32.0°F (2020) | 1.75 in (2014) |
| September 12 | 95.0°F (1998) | 30.9°F (2014) | 0.65 in (2010) |
| September 13 | 84.9°F (2005) | 34.0°F (2014) | 1.35 in (2019) |
| September 14 | 82.0°F (2005) | 30.0°F (2001) | 1.00 in (2021) |
| September 15 | 84.0°F (2018) | 26.1°F (2007) | 0.84 in (2004) |
| September 16 | 84.9°F (2024) | 26.1°F (2011) | 2.81 in (2010) |
| September 17 | 87.1°F (2024) | 26.1°F (2011) | 1.60 in (2016) |
| September 18 | 84.9°F (2025) | 27.0°F (2020) | 0.55 in (2025) |
| September 19 | 84.0°F (2000) | 30.0°F (2012) | 0.46 in (2011) |
| September 20 | 82.9°F (1998) | 32.0°F (2006) | 0.71 in (2005) |
| September 21 | 81.0°F (2022) | 28.0°F (1999) | 1.32 in (2007) |
| September 22 | 80.1°F (2005) | 28.9°F (1999) | 0.71 in (2003) |
| September 23 | 81.0°F (2017) | 28.0°F (1998) | 1.36 in (2001) |
| September 24 | 87.1°F (2017) | 30.0°F (2000) | 3.24 in (2010) |
| September 25 | 87.1°F (2017) | 28.9°F (2000) | 1.06 in (2019) |
| September 26 | 82.9°F (2017) | 28.0°F (2012) | 0.95 in (2017) |
| September 27 | 82.0°F (2024) | 26.1°F (2012) | 0.51 in (2011) |
| September 28 | 82.0°F (2024) | 28.0°F (2000) | 0.90 in (2009) |
| September 29 | 81.0°F (2014) | 28.0°F (2022) | 0.76 in (2005) |
| September 30 | 82.9°F (2024) | 28.9°F (2004) | 0.77 in (2011) |