September weather in Sault Ste. Marie, MI
The average temperature in Sault Ste. Marie in September is 58.4°F (48.7°F–68.0°F). Average precipitation: 3.93 inches.
September is a fall month in Sault Ste. Marie, and is warmer than the annual average of 42.4°F. Daily temperatures swing about 19.3°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
68.0°F
Avg Low
48.7°F
Precipitation
3.93 in
Daylight
12h 19m
September records in Sault Ste. Marie
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (1953) | 36.0°F (1974) | 1.71 in (1982) |
| September 2 | 87.1°F (1973) | 30.9°F (1976) | 1.19 in (1982) |
| September 3 | 91.9°F (1953) | 33.1°F (1974) | 1.60 in (1985) |
| September 4 | 87.1°F (2023) | 36.0°F (1942) | 1.30 in (1986) |
| September 5 | 88.0°F (1948) | 34.0°F (1984) | 1.34 in (1956) |
| September 6 | 90.0°F (1947) | 34.0°F (1984) | 1.49 in (2013) |
| September 7 | 89.1°F (1960) | 35.1°F (1986) | 1.48 in (1959) |
| September 8 | 95.0°F (1976) | 34.0°F (1979) | 1.32 in (1992) |
| September 9 | 90.0°F (2002) | 28.9°F (1981) | 2.56 in (2013) |
| September 10 | 91.9°F (1931) | 30.0°F (1967) | 1.59 in (2014) |
| September 11 | 89.1°F (1931) | 32.0°F (1967) | 1.09 in (1963) |
| September 12 | 91.0°F (1931) | 32.0°F (1943) | 2.20 in (1984) |
| September 13 | 86.0°F (1952) | 32.0°F (1983) | 1.45 in (1993) |
| September 14 | 89.1°F (1939) | 32.0°F (1953) | 1.66 in (1941) |
| September 15 | 89.1°F (1939) | 32.0°F (1959) | 1.10 in (1934) |
| September 16 | 86.0°F (2024) | 28.9°F (1964) | 1.51 in (1931) |
| September 17 | 88.0°F (2018) | 27.0°F (1990) | 0.79 in (1960) |
| September 18 | 86.0°F (1955) | 30.0°F (1974) | 1.21 in (1947) |
| September 19 | 84.0°F (1985) | 28.0°F (1979) | 1.05 in (1987) |
| September 20 | 81.0°F (1970) | 30.0°F (1981) | 0.91 in (1978) |
| September 21 | 82.9°F (1941) | 27.0°F (1981) | 2.14 in (1970) |
| September 22 | 87.1°F (2017) | 28.0°F (1974) | 1.41 in (2025) |
| September 23 | 90.0°F (2017) | 25.0°F (1981) | 2.35 in (2010) |
| September 24 | 89.1°F (2017) | 28.0°F (1980) | 1.37 in (1996) |
| September 25 | 88.0°F (2017) | 25.0°F (1947) | 1.14 in (1941) |
| September 26 | 84.0°F (2017) | 27.0°F (1980) | 1.52 in (1951) |
| September 27 | 78.1°F (1979) | 26.1°F (1989) | 1.97 in (1996) |
| September 28 | 80.1°F (2014) | 27.0°F (1980) | 1.02 in (2005) |
| September 29 | 78.1°F (1948) | 26.1°F (1993) | 1.17 in (1966) |
| September 30 | 80.1°F (1983) | 25.0°F (1993) | 3.00 in (2019) |