September weather in Franklin, OH
The average temperature in Franklin in September is 66.0°F (53.1°F–78.9°F). Average precipitation: 2.87 inches.
September is a fall month in Franklin, and is warmer than the annual average of 52.7°F. Daily temperatures swing about 25.8°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 15m. For travel, September is one of the best months of the year to visit.
Avg High
78.9°F
Avg Low
53.1°F
Precipitation
2.87 in
Daylight
12h 15m
September records in Franklin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1953) | 42.1°F (1963) | 2.00 in (2021) |
| September 2 | 100.9°F (1953) | 41.0°F (1967) | 2.12 in (2003) |
| September 3 | 99.0°F (2011) | 43.0°F (1967) | 2.77 in (1935) |
| September 4 | 93.9°F (1953) | 42.1°F (1982) | 1.40 in (1988) |
| September 5 | 97.0°F (1954) | 43.0°F (1957) | 3.20 in (1937) |
| September 6 | 98.1°F (1954) | 39.9°F (1962) | 1.44 in (2009) |
| September 7 | 93.0°F (2010) | 37.9°F (1988) | 1.90 in (2012) |
| September 8 | 96.1°F (1964) | 37.0°F (1956) | 1.70 in (2018) |
| September 9 | 97.0°F (1960) | 39.0°F (1986) | 1.70 in (2016) |
| September 10 | 97.0°F (1964) | 39.9°F (1986) | 1.25 in (1976) |
| September 11 | 98.1°F (1964) | 41.0°F (1958) | 1.60 in (1971) |
| September 12 | 91.9°F (1983) | 42.1°F (1970) | 3.93 in (1925) |
| September 13 | 93.0°F (2019) | 37.9°F (1975) | 1.58 in (2006) |
| September 14 | 93.0°F (1991) | 36.0°F (1953) | 4.35 in (1979) |
| September 15 | 95.0°F (1998) | 39.9°F (1985) | 1.07 in (1952) |
| September 16 | 91.9°F (1991) | 37.9°F (1985) | 0.99 in (1930) |
| September 17 | 91.9°F (1991) | 35.1°F (1959) | 1.37 in (1978) |
| September 18 | 93.0°F (1953) | 33.1°F (1959) | 1.80 in (1925) |
| September 19 | 90.0°F (1965) | 39.0°F (1973) | 1.05 in (1964) |
| September 20 | 91.0°F (2018) | 35.1°F (1956) | 3.00 in (2013) |
| September 21 | 93.0°F (2024) | 30.0°F (1962) | 1.96 in (1932) |
| September 22 | 91.9°F (1986) | 35.1°F (1976) | 1.96 in (1950) |
| September 23 | 93.0°F (2010) | 33.1°F (1974) | 0.75 in (2025) |
| September 24 | 90.0°F (1961) | 32.0°F (1983) | 1.39 in (2018) |
| September 25 | 90.0°F (1961) | 32.0°F (1963) | 1.34 in (1940) |
| September 26 | 90.0°F (2017) | 35.1°F (1987) | 1.03 in (1937) |
| September 27 | 89.1°F (1986) | 33.1°F (1991) | 3.76 in (2002) |
| September 28 | 90.0°F (2019) | 33.1°F (1991) | 2.00 in (2024) |
| September 29 | 93.0°F (1953) | 30.9°F (1962) | 1.95 in (1936) |
| September 30 | 90.0°F (2019) | 28.9°F (1963) | 0.95 in (1939) |