September weather in Spring Valley, OH
The average temperature in Spring Valley in September is 66.6°F (56.1°F–77.1°F). Average precipitation: 2.72 inches.
September is a fall month in Spring Valley, and is warmer than the annual average of 53.7°F. Daily temperatures swing about 21°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 15m. For travel, September is one of the best months of the year to visit.
Avg High
77.1°F
Avg Low
56.1°F
Precipitation
2.72 in
Daylight
12h 15m
September records in Spring Valley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1932) | 42.1°F (1948) | 2.75 in (2003) |
| September 2 | 100.0°F (1953) | 42.1°F (1967) | 1.74 in (2003) |
| September 3 | 99.0°F (1953) | 43.0°F (1946) | 3.40 in (1935) |
| September 4 | 96.1°F (1953) | 39.9°F (1974) | 1.66 in (1993) |
| September 5 | 96.1°F (1954) | 39.9°F (1950) | 2.99 in (1937) |
| September 6 | 99.0°F (1954) | 37.9°F (1984) | 0.93 in (1961) |
| September 7 | 100.9°F (1939) | 39.9°F (1988) | 1.07 in (2009) |
| September 8 | 102.9°F (1939) | 36.0°F (1951) | 2.13 in (1942) |
| September 9 | 99.0°F (1939) | 37.0°F (2024) | 1.36 in (2016) |
| September 10 | 97.0°F (1964) | 37.9°F (1924) | 1.62 in (1957) |
| September 11 | 93.9°F (1931) | 36.0°F (1917) | 1.48 in (1975) |
| September 12 | 93.0°F (1939) | 39.9°F (1917) | 2.53 in (1965) |
| September 13 | 99.0°F (1939) | 37.0°F (1975) | 1.39 in (1957) |
| September 14 | 100.0°F (1939) | 33.1°F (1923) | 3.72 in (1979) |
| September 15 | 98.1°F (1939) | 37.9°F (1923) | 1.72 in (1956) |
| September 16 | 100.0°F (1939) | 35.1°F (1984) | 1.12 in (1977) |
| September 17 | 93.9°F (1931) | 35.1°F (1937) | 1.36 in (1988) |
| September 18 | 90.0°F (1948) | 34.0°F (1959) | 0.64 in (1968) |
| September 19 | 91.0°F (1948) | 35.1°F (1973) | 1.16 in (1964) |
| September 20 | 93.0°F (1940) | 35.1°F (1937) | 1.03 in (2002) |
| September 21 | 93.0°F (1931) | 30.9°F (1956) | 2.96 in (2013) |
| September 22 | 93.0°F (1936) | 32.0°F (1983) | 1.52 in (1931) |
| September 23 | 93.0°F (2010) | 27.0°F (1974) | 1.76 in (1926) |
| September 24 | 93.9°F (2007) | 25.0°F (1983) | 1.02 in (1972) |
| September 25 | 90.0°F (1939) | 33.1°F (1942) | 1.88 in (1945) |
| September 26 | 89.1°F (1986) | 32.0°F (1940) | 1.30 in (1931) |
| September 27 | 87.1°F (2017) | 33.1°F (1991) | 2.50 in (2002) |
| September 28 | 91.0°F (1959) | 28.9°F (1942) | 1.55 in (2024) |
| September 29 | 95.0°F (1953) | 28.9°F (1942) | 2.04 in (1936) |
| September 30 | 91.0°F (1953) | 32.0°F (1935) | 2.73 in (1927) |