September weather in Troy, IN
The average temperature in Troy in September is 68.8°F (58.4°F–79.2°F). Average precipitation: 3.71 inches.
September is a fall month in Troy, and is warmer than the annual average of 55.7°F. Daily temperatures swing about 20.8°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 14m. For travel, September is one of the best months of the year to visit.
Avg High
79.2°F
Avg Low
58.4°F
Precipitation
3.71 in
Daylight
12h 14m
September records in Troy
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (1943) | 48.9°F (1967) | 2.10 in (1965) |
| September 2 | 105.1°F (1953) | 45.0°F (1967) | 1.75 in (1952) |
| September 3 | 98.1°F (2011) | 46.9°F (1949) | 3.31 in (2020) |
| September 4 | 102.0°F (1953) | 45.0°F (1974) | 2.11 in (1962) |
| September 5 | 102.0°F (1954) | 44.1°F (1974) | 1.46 in (1944) |
| September 6 | 104.0°F (1954) | 46.9°F (1974) | 1.39 in (2009) |
| September 7 | 106.0°F (1954) | 45.0°F (1988) | 2.20 in (1971) |
| September 8 | 100.0°F (1939) | 45.0°F (1956) | 1.30 in (2012) |
| September 9 | 99.0°F (1939) | 45.0°F (1956) | 3.80 in (2018) |
| September 10 | 98.1°F (1983) | 43.0°F (1969) | 2.08 in (1940) |
| September 11 | 97.0°F (1964) | 45.0°F (1940) | 1.35 in (1937) |
| September 12 | 98.1°F (1939) | 45.0°F (1940) | 3.60 in (1965) |
| September 13 | 100.9°F (1939) | 42.1°F (1975) | 2.77 in (1982) |
| September 14 | 100.9°F (1939) | 41.0°F (1964) | 2.10 in (1979) |
| September 15 | 99.0°F (1939) | 41.0°F (1964) | 1.29 in (1962) |
| September 16 | 96.1°F (1939) | 42.1°F (1966) | 1.89 in (1996) |
| September 17 | 96.1°F (1954) | 43.0°F (1966) | 2.55 in (1968) |
| September 18 | 96.1°F (1954) | 46.0°F (1956) | 1.74 in (1942) |
| September 19 | 102.0°F (1953) | 45.0°F (1973) | 2.50 in (1992) |
| September 20 | 97.0°F (1940) | 42.1°F (1956) | 1.78 in (2017) |
| September 21 | 98.1°F (1940) | 41.0°F (1991) | 2.94 in (1950) |
| September 22 | 97.0°F (1940) | 39.9°F (1953) | 2.51 in (1996) |
| September 23 | 95.0°F (1955) | 37.9°F (1974) | 3.48 in (2006) |
| September 24 | 93.9°F (1941) | 36.0°F (1974) | 1.63 in (1984) |
| September 25 | 93.0°F (2007) | 37.9°F (1950) | 2.05 in (1984) |
| September 26 | 91.0°F (2007) | 37.9°F (1950) | 2.21 in (2011) |
| September 27 | 91.9°F (1946) | 39.0°F (1940) | 4.43 in (2002) |
| September 28 | 96.1°F (1939) | 30.9°F (1942) | 2.68 in (2024) |
| September 29 | 96.1°F (1953) | 33.1°F (1942) | 1.24 in (1974) |
| September 30 | 100.0°F (1953) | 37.9°F (1963) | 1.68 in (1955) |