September weather in Mackinaw City, MI
The average temperature in Mackinaw City in September is 61.1°F (53.1°F–69.1°F). Average precipitation: inches.
September is a fall month in Mackinaw City, and is warmer than the annual average of 44.3°F. Daily temperatures swing about 16°F between overnight low and afternoon high. Daylight averages about 12h 18m. For travel, September is one of the best months of the year to visit.
Avg High
69.1°F
Avg Low
53.1°F
Precipitation
in
Daylight
12h 18m
September records in Mackinaw City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 89.1°F (2000) | 43.0°F (1976) | 0.30 in (1984) |
| September 2 | 82.0°F (1999) | 39.0°F (1976) | 0.97 in (1984) |
| September 3 | 82.0°F (1999) | 39.9°F (1987) | 1.28 in (1985) |
| September 4 | 82.9°F (1999) | 44.1°F (1984) | 0.86 in (1990) |
| September 5 | 89.1°F (1999) | 39.9°F (1976) | 1.24 in (2008) |
| September 6 | 82.0°F (2004) | 39.9°F (1974) | 0.40 in (1975) |
| September 7 | 82.0°F (2004) | 37.0°F (1986) | 1.10 in (2007) |
| September 8 | 82.9°F (2001) | 42.1°F (1979) | 0.35 in (1992) |
| September 9 | 82.0°F (2002) | 35.1°F (1981) | 0.63 in (1989) |
| September 10 | 87.1°F (2002) | 42.1°F (1995) | 1.52 in (1974) |
| September 11 | 80.1°F (1982) | 42.1°F (2007) | 0.67 in (1978) |
| September 12 | 82.9°F (2005) | 41.0°F (1975) | 1.09 in (1996) |
| September 13 | 82.9°F (2005) | 37.9°F (1975) | 0.80 in (1990) |
| September 14 | 79.0°F (2004) | 34.0°F (1975) | 1.56 in (1993) |
| September 15 | 82.0°F (2004) | 39.0°F (1995) | 1.05 in (1996) |
| September 16 | 82.9°F (2004) | 37.0°F (1974) | 0.44 in (1992) |
| September 17 | 77.0°F (2006) | 36.0°F (1990) | 0.60 in (1974) |
| September 18 | 80.1°F (2007) | 37.0°F (1974) | 0.80 in (1992) |
| September 19 | 81.0°F (1985) | 37.9°F (1993) | 1.23 in (1997) |
| September 20 | 77.0°F (1998) | 34.0°F (1979) | 1.51 in (2001) |
| September 21 | 77.0°F (2002) | 41.0°F (1974) | 0.40 in (1978) |
| September 22 | 77.0°F (2007) | 30.0°F (1974) | 0.74 in (1996) |
| September 23 | 78.1°F (1985) | 28.9°F (1974) | 1.43 in (2001) |
| September 24 | 75.9°F (2004) | 37.0°F (1980) | 2.00 in (2006) |
| September 25 | 82.0°F (1999) | 35.1°F (1976) | 1.05 in (2003) |
| September 26 | 78.1°F (1999) | 35.1°F (1984) | 0.78 in (1998) |
| September 27 | 78.1°F (1999) | 30.9°F (1989) | 1.20 in (1986) |
| September 28 | 75.9°F (1979) | 26.1°F (1981) | 1.00 in (1986) |
| September 29 | 73.0°F (1982) | 34.0°F (1984) | 0.51 in (1987) |
| September 30 | 77.0°F (1995) | 30.0°F (1993) | 0.60 in (1986) |