September weather in Dearborn, MI
The average temperature in Dearborn in September is 64.3°F (53.4°F–75.1°F). Average precipitation: 3.01 inches.
September is a fall month in Dearborn, and is warmer than the annual average of 49.5°F. Daily temperatures swing about 21.7°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
75.1°F
Avg Low
53.4°F
Precipitation
3.01 in
Daylight
12h 16m
September records in Dearborn
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1953) | 44.1°F (2009) | 1.60 in (1961) |
| September 2 | 98.1°F (1953) | 42.1°F (1958) | 1.71 in (1959) |
| September 3 | 97.0°F (1953) | 45.0°F (2016) | 0.80 in (2014) |
| September 4 | 95.0°F (1953) | 39.9°F (1997) | 1.29 in (2015) |
| September 5 | 99.0°F (1954) | 42.1°F (1997) | 0.92 in (2004) |
| September 6 | 97.0°F (1954) | 39.9°F (1984) | 0.96 in (1985) |
| September 7 | 91.9°F (1960) | 39.9°F (1986) | 3.93 in (1990) |
| September 8 | 95.0°F (2002) | 34.0°F (1986) | 0.97 in (2011) |
| September 9 | 100.0°F (2002) | 39.9°F (1982) | 0.79 in (1985) |
| September 10 | 97.0°F (2002) | 42.1°F (2017) | 1.97 in (1997) |
| September 11 | 95.0°F (1983) | 37.0°F (1993) | 1.60 in (2000) |
| September 12 | 93.9°F (1952) | 41.0°F (1955) | 2.50 in (2000) |
| September 13 | 93.0°F (1952) | 37.9°F (1975) | 0.92 in (1977) |
| September 14 | 91.0°F (1998) | 35.1°F (1975) | 2.12 in (2008) |
| September 15 | 90.0°F (2002) | 39.0°F (1964) | 1.17 in (1982) |
| September 16 | 93.0°F (1991) | 37.9°F (1984) | 2.00 in (1992) |
| September 17 | 93.9°F (1955) | 35.1°F (1959) | 1.70 in (1962) |
| September 18 | 93.0°F (1955) | 36.0°F (1990) | 0.80 in (1972) |
| September 19 | 93.0°F (1955) | 37.9°F (2012) | 0.72 in (1953) |
| September 20 | 90.0°F (1955) | 35.1°F (1956) | 2.52 in (2018) |
| September 21 | 91.0°F (1970) | 33.1°F (1991) | 1.01 in (1983) |
| September 22 | 91.9°F (2017) | 34.0°F (1999) | 0.93 in (1981) |
| September 23 | 91.0°F (2017) | 28.9°F (1995) | 1.84 in (1986) |
| September 24 | 91.9°F (2017) | 30.9°F (1989) | 2.00 in (1961) |
| September 25 | 90.0°F (2017) | 34.0°F (1989) | 1.72 in (2018) |
| September 26 | 91.9°F (2017) | 36.0°F (2000) | 1.31 in (1977) |
| September 27 | 91.9°F (1998) | 32.0°F (1989) | 1.33 in (1971) |
| September 28 | 87.1°F (1959) | 30.0°F (1991) | 1.15 in (1993) |
| September 29 | 87.1°F (1953) | 33.1°F (1992) | 2.05 in (2016) |
| September 30 | 87.1°F (1986) | 28.9°F (1993) | 0.75 in (1999) |