September weather in West Branch, MI
The average temperature in West Branch in September is 58.9°F (46.4°F–71.4°F). Average precipitation: 2.73 inches.
September is a fall month in West Branch, and is warmer than the annual average of 44.3°F. Daily temperatures swing about 25°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
71.4°F
Avg Low
46.4°F
Precipitation
2.73 in
Daylight
12h 17m
September records in West Branch
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (1953) | 30.0°F (1935) | 3.78 in (1975) |
| September 2 | 93.9°F (1953) | 30.9°F (1946) | 1.10 in (1912) |
| September 3 | 93.0°F (1953) | 28.9°F (1946) | 0.65 in (1966) |
| September 4 | 91.0°F (1925) | 30.0°F (1930) | 1.43 in (2015) |
| September 5 | 91.0°F (1933) | 33.1°F (1928) | 2.31 in (2008) |
| September 6 | 90.0°F (1919) | 33.1°F (1937) | 1.92 in (1985) |
| September 7 | 91.0°F (1919) | 30.9°F (1932) | 1.31 in (1938) |
| September 8 | 95.0°F (1919) | 33.1°F (1956) | 1.85 in (1985) |
| September 9 | 93.0°F (1931) | 28.9°F (1949) | 0.74 in (1941) |
| September 10 | 93.0°F (1931) | 27.0°F (1917) | 1.42 in (1986) |
| September 11 | 97.0°F (1931) | 25.0°F (1917) | 2.29 in (1986) |
| September 12 | 93.0°F (1931) | 28.0°F (1943) | 1.67 in (1947) |
| September 13 | 89.1°F (2005) | 28.0°F (1923) | 1.05 in (1961) |
| September 14 | 91.9°F (1939) | 30.0°F (1953) | 1.61 in (1961) |
| September 15 | 93.9°F (1927) | 28.0°F (1923) | 1.73 in (1982) |
| September 16 | 84.9°F (1914) | 30.0°F (1923) | 1.14 in (1936) |
| September 17 | 88.0°F (1955) | 25.0°F (1937) | 1.28 in (1978) |
| September 18 | 89.1°F (1955) | 26.1°F (1959) | 1.66 in (1987) |
| September 19 | 86.0°F (1932) | 25.0°F (1916) | 1.21 in (1978) |
| September 20 | 91.0°F (1914) | 25.0°F (1937) | 1.52 in (1924) |
| September 21 | 87.1°F (1914) | 27.0°F (1956) | 2.29 in (1947) |
| September 22 | 88.0°F (2017) | 25.0°F (1904) | 1.50 in (1909) |
| September 23 | 91.9°F (2017) | 25.0°F (1942) | 1.38 in (1926) |
| September 24 | 93.0°F (2017) | 24.1°F (1946) | 1.27 in (2006) |
| September 25 | 91.0°F (2017) | 21.9°F (1936) | 0.93 in (1977) |
| September 26 | 90.0°F (2017) | 21.9°F (1926) | 2.80 in (2005) |
| September 27 | 89.1°F (2017) | 25.0°F (1937) | 1.05 in (1936) |
| September 28 | 82.9°F (1923) | 21.9°F (1935) | 1.26 in (1927) |
| September 29 | 82.0°F (1921) | 24.1°F (1942) | 1.32 in (1999) |
| September 30 | 82.9°F (1922) | 21.0°F (1918) | 1.87 in (1921) |