September weather in Troy, MI
The average temperature in Troy in September is 63.8°F (53.7°F–73.9°F). Average precipitation: 2.92 inches.
September is a fall month in Troy, and is warmer than the annual average of 49.1°F. Daily temperatures swing about 20.2°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
73.9°F
Avg Low
53.7°F
Precipitation
2.92 in
Daylight
12h 16m
September records in Troy
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1953) | 41.0°F (1895) | 2.57 in (1914) |
| September 2 | 98.1°F (1953) | 41.0°F (1909) | 0.99 in (1961) |
| September 3 | 97.0°F (1953) | 39.0°F (1908) | 0.72 in (1993) |
| September 4 | 91.9°F (1953) | 42.1°F (1896) | 2.30 in (1932) |
| September 5 | 98.1°F (1954) | 43.0°F (1928) | 1.43 in (1918) |
| September 6 | 95.0°F (1954) | 37.9°F (1924) | 1.21 in (2014) |
| September 7 | 91.9°F (1945) | 41.0°F (1986) | 2.38 in (1990) |
| September 8 | 96.1°F (1933) | 39.0°F (1986) | 2.00 in (1972) |
| September 9 | 96.1°F (1978) | 39.0°F (1975) | 1.28 in (2008) |
| September 10 | 93.9°F (1908) | 35.1°F (1917) | 1.45 in (1894) |
| September 11 | 95.0°F (1908) | 33.1°F (1917) | 2.52 in (1950) |
| September 12 | 93.9°F (1931) | 37.9°F (1943) | 1.87 in (1947) |
| September 13 | 93.9°F (1952) | 36.0°F (1975) | 1.50 in (2006) |
| September 14 | 93.0°F (1939) | 33.1°F (1975) | 2.83 in (2008) |
| September 15 | 97.0°F (1939) | 37.9°F (1923) | 1.73 in (2008) |
| September 16 | 91.9°F (1939) | 37.9°F (1923) | 0.55 in (1977) |
| September 17 | 93.0°F (1955) | 35.1°F (1959) | 2.00 in (1905) |
| September 18 | 91.9°F (1955) | 35.1°F (1916) | 2.76 in (1949) |
| September 19 | 96.1°F (1926) | 33.1°F (1916) | 0.89 in (1942) |
| September 20 | 91.0°F (1895) | 33.1°F (1956) | 0.81 in (1921) |
| September 21 | 93.0°F (1908) | 33.1°F (1897) | 2.61 in (1923) |
| September 22 | 91.0°F (1895) | 30.9°F (1918) | 2.80 in (2021) |
| September 23 | 91.9°F (2017) | 28.9°F (1896) | 1.93 in (2005) |
| September 24 | 89.1°F (2017) | 32.0°F (1950) | 1.17 in (1955) |
| September 25 | 90.0°F (1908) | 34.0°F (1936) | 1.06 in (1921) |
| September 26 | 91.9°F (1908) | 30.0°F (1926) | 0.97 in (1942) |
| September 27 | 91.0°F (2017) | 32.0°F (1965) | 1.70 in (1896) |
| September 28 | 90.0°F (1905) | 30.9°F (1942) | 2.80 in (1993) |
| September 29 | 84.9°F (1986) | 30.0°F (1942) | 1.24 in (2016) |
| September 30 | 86.0°F (1897) | 32.0°F (1916) | 2.09 in (1896) |