September weather in Roanoke, IN
The average temperature in Roanoke in September is 64.8°F (53.4°F–76.1°F). Average precipitation: 3.04 inches.
September is a fall month in Roanoke, and is warmer than the annual average of 50.9°F. Daily temperatures swing about 22.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 15m. For travel, September is one of the best months of the year to visit.
Avg High
76.1°F
Avg Low
53.4°F
Precipitation
3.04 in
Daylight
12h 15m
September records in Roanoke
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1953) | 43.0°F (1967) | 3.51 in (1950) |
| September 2 | 100.0°F (1953) | 39.9°F (1946) | 0.85 in (1984) |
| September 3 | 95.0°F (2011) | 43.0°F (1946) | 0.93 in (1991) |
| September 4 | 95.0°F (1983) | 42.1°F (1946) | 1.97 in (1949) |
| September 5 | 96.1°F (1954) | 43.0°F (1957) | 1.13 in (1975) |
| September 6 | 97.0°F (1954) | 43.0°F (1962) | 2.48 in (1943) |
| September 7 | 100.9°F (1939) | 39.0°F (2025) | 1.34 in (2020) |
| September 8 | 95.0°F (1960) | 36.0°F (2025) | 1.60 in (1942) |
| September 9 | 96.1°F (1983) | 39.9°F (1944) | 1.95 in (1992) |
| September 10 | 97.0°F (1983) | 39.9°F (1969) | 3.24 in (2014) |
| September 11 | 95.0°F (2013) | 39.9°F (1993) | 1.70 in (1975) |
| September 12 | 95.0°F (1939) | 39.0°F (1955) | 1.07 in (1991) |
| September 13 | 99.0°F (1939) | 37.9°F (1964) | 1.94 in (1977) |
| September 14 | 100.0°F (1939) | 36.0°F (1975) | 1.08 in (1966) |
| September 15 | 100.0°F (1939) | 39.9°F (1953) | 0.76 in (2005) |
| September 16 | 98.1°F (1939) | 37.9°F (1966) | 1.21 in (1969) |
| September 17 | 93.9°F (1955) | 36.0°F (1959) | 0.95 in (1969) |
| September 18 | 93.0°F (1955) | 34.0°F (1959) | 0.99 in (1952) |
| September 19 | 93.9°F (1955) | 37.0°F (2012) | 2.13 in (1997) |
| September 20 | 93.0°F (2018) | 35.1°F (1991) | 1.47 in (1971) |
| September 21 | 93.0°F (2010) | 33.1°F (1962) | 2.00 in (1992) |
| September 22 | 91.9°F (2017) | 34.0°F (1995) | 2.11 in (2021) |
| September 23 | 93.0°F (2010) | 28.9°F (1995) | 1.12 in (1970) |
| September 24 | 91.9°F (2007) | 32.0°F (1950) | 1.40 in (1986) |
| September 25 | 89.1°F (2017) | 32.0°F (1942) | 1.45 in (2005) |
| September 26 | 91.0°F (1998) | 33.1°F (1940) | 1.07 in (1959) |
| September 27 | 89.1°F (1973) | 32.0°F (1991) | 1.48 in (1996) |
| September 28 | 89.1°F (1999) | 30.0°F (1942) | 0.89 in (2016) |
| September 29 | 93.9°F (1953) | 28.9°F (1951) | 0.88 in (1999) |
| September 30 | 89.1°F (2019) | 30.9°F (1993) | 0.88 in (1954) |