September weather in New Boston, OH
The average temperature in New Boston in September is 68.2°F (56.1°F–80.3°F). Average precipitation: 3.30 inches.
September is a fall month in New Boston, and is warmer than the annual average of 54.9°F. Daily temperatures swing about 24.2°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 14m. For travel, September is a comfortable month to visit.
Avg High
80.3°F
Avg Low
56.1°F
Precipitation
3.30 in
Daylight
12h 14m
September records in New Boston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (1932) | 39.0°F (1987) | 3.41 in (1965) |
| September 2 | 100.0°F (1953) | 37.0°F (1987) | 1.80 in (1906) |
| September 3 | 100.9°F (1953) | 42.1°F (1893) | 3.20 in (1922) |
| September 4 | 98.1°F (1973) | 43.0°F (1987) | 1.25 in (1935) |
| September 5 | 99.0°F (1899) | 43.0°F (1928) | 1.29 in (2011) |
| September 6 | 100.9°F (1899) | 39.9°F (1924) | 1.70 in (1926) |
| September 7 | 102.9°F (1954) | 39.0°F (1988) | 0.89 in (1923) |
| September 8 | 100.9°F (1939) | 36.0°F (1986) | 2.82 in (2018) |
| September 9 | 100.9°F (1939) | 34.0°F (1986) | 3.15 in (2018) |
| September 10 | 97.0°F (1900) | 39.9°F (1924) | 1.94 in (2018) |
| September 11 | 100.0°F (1925) | 37.9°F (1917) | 2.65 in (1965) |
| September 12 | 100.0°F (1983) | 37.9°F (1917) | 1.90 in (1938) |
| September 13 | 100.0°F (1939) | 37.9°F (1985) | 1.45 in (1938) |
| September 14 | 102.0°F (1939) | 33.1°F (1985) | 2.10 in (1979) |
| September 15 | 98.1°F (1939) | 32.0°F (1985) | 1.34 in (1978) |
| September 16 | 98.1°F (1939) | 34.0°F (1985) | 1.99 in (1956) |
| September 17 | 97.0°F (1931) | 34.0°F (1986) | 2.82 in (2004) |
| September 18 | 97.0°F (1925) | 37.0°F (1937) | 2.15 in (2004) |
| September 19 | 96.1°F (1895) | 34.0°F (1916) | 1.92 in (1950) |
| September 20 | 96.1°F (1895) | 35.1°F (1903) | 1.95 in (1954) |
| September 21 | 99.0°F (1931) | 36.0°F (1897) | 1.45 in (1950) |
| September 22 | 97.0°F (1931) | 33.1°F (1983) | 2.73 in (1979) |
| September 23 | 97.0°F (1930) | 33.1°F (1918) | 1.63 in (1989) |
| September 24 | 93.9°F (2010) | 30.9°F (1989) | 2.77 in (1975) |
| September 25 | 95.0°F (2007) | 28.0°F (1913) | 3.02 in (2025) |
| September 26 | 93.9°F (2007) | 30.9°F (1987) | 1.08 in (1971) |
| September 27 | 91.0°F (1939) | 34.0°F (1918) | 6.40 in (1976) |
| September 28 | 95.0°F (1939) | 34.0°F (1942) | 6.57 in (2024) |
| September 29 | 91.9°F (1904) | 30.9°F (1942) | 2.01 in (1896) |
| September 30 | 98.1°F (1953) | 32.0°F (1916) | 1.42 in (2024) |