September weather in Harrison, MI
The average temperature in Harrison in September is 60.1°F (47.4°F–72.7°F). Average precipitation: 2.79 inches.
September is a fall month in Harrison, and is warmer than the annual average of 45.7°F. Daily temperatures swing about 25.3°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
72.7°F
Avg Low
47.4°F
Precipitation
2.79 in
Daylight
12h 17m
September records in Harrison
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (1953) | 30.0°F (1896) | 1.21 in (1961) |
| September 2 | 98.1°F (1953) | 28.0°F (1909) | 2.10 in (1905) |
| September 3 | 93.9°F (1973) | 26.1°F (1946) | 1.55 in (2010) |
| September 4 | 93.9°F (1973) | 30.0°F (1896) | 2.09 in (1985) |
| September 5 | 90.0°F (1933) | 33.1°F (1974) | 2.35 in (2008) |
| September 6 | 90.0°F (1897) | 30.9°F (1962) | 1.01 in (1983) |
| September 7 | 93.0°F (1960) | 32.0°F (1986) | 1.06 in (1927) |
| September 8 | 93.0°F (1933) | 33.1°F (1951) | 2.32 in (1941) |
| September 9 | 93.9°F (1897) | 34.0°F (1951) | 1.99 in (1965) |
| September 10 | 91.9°F (1897) | 34.0°F (1902) | 1.45 in (1937) |
| September 11 | 95.0°F (1931) | 30.9°F (1898) | 4.30 in (1986) |
| September 12 | 91.9°F (1931) | 28.9°F (1964) | 2.29 in (2022) |
| September 13 | 91.9°F (1909) | 30.0°F (1964) | 1.31 in (1950) |
| September 14 | 100.0°F (1939) | 28.9°F (1899) | 3.89 in (1931) |
| September 15 | 90.0°F (1939) | 30.0°F (1964) | 1.42 in (1990) |
| September 16 | 88.0°F (1955) | 28.9°F (1974) | 1.05 in (1983) |
| September 17 | 89.1°F (1955) | 32.0°F (1904) | 2.00 in (1905) |
| September 18 | 89.1°F (1955) | 30.9°F (1932) | 1.63 in (1983) |
| September 19 | 88.0°F (1930) | 27.0°F (1929) | 1.20 in (1977) |
| September 20 | 90.0°F (1930) | 28.9°F (1956) | 1.85 in (1965) |
| September 21 | 87.1°F (1941) | 25.0°F (1897) | 2.40 in (1947) |
| September 22 | 91.9°F (2017) | 21.9°F (1904) | 1.98 in (1986) |
| September 23 | 96.1°F (2017) | 24.1°F (1896) | 1.59 in (1926) |
| September 24 | 95.0°F (2017) | 28.0°F (1947) | 1.60 in (1904) |
| September 25 | 93.0°F (2017) | 25.0°F (1947) | 1.30 in (1911) |
| September 26 | 91.9°F (2017) | 24.1°F (1947) | 3.30 in (2005) |
| September 27 | 93.0°F (2017) | 25.0°F (1989) | 1.35 in (1936) |
| September 28 | 93.0°F (1905) | 25.0°F (1991) | 2.13 in (1945) |
| September 29 | 87.1°F (1905) | 21.9°F (1942) | 1.87 in (1999) |
| September 30 | 84.9°F (1905) | 26.1°F (1899) | 2.00 in (1896) |