September weather in Ione, OR
The average temperature in Ione in September is 62.8°F (48.3°F–77.3°F). Average precipitation: 0.43 inches.
September is a fall month in Ione, and is warmer than the annual average of 51.7°F. Daily temperatures swing about 29°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
77.3°F
Avg Low
48.3°F
Precipitation
0.43 in
Daylight
12h 18m
September records in Ione
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (1987) | 34.0°F (1913) | 0.92 in (1971) |
| September 2 | 96.1°F (1987) | 37.9°F (1932) | 0.50 in (1907) |
| September 3 | 97.0°F (2022) | 37.0°F (1958) | 0.50 in (1941) |
| September 4 | 98.1°F (2003) | 34.0°F (1910) | 1.39 in (1899) |
| September 5 | 98.1°F (1988) | 37.0°F (1969) | 0.50 in (1897) |
| September 6 | 99.0°F (1955) | 35.1°F (1929) | 0.65 in (1901) |
| September 7 | 99.0°F (1955) | 32.0°F (1901) | 0.52 in (1926) |
| September 8 | 96.1°F (1944) | 34.0°F (1962) | 0.51 in (1924) |
| September 9 | 95.0°F (1981) | 35.1°F (1962) | 0.80 in (1952) |
| September 10 | 95.0°F (1963) | 35.1°F (1913) | 0.44 in (1927) |
| September 11 | 93.9°F (1899) | 35.1°F (1921) | 0.50 in (1962) |
| September 12 | 97.0°F (1953) | 27.0°F (1921) | 1.15 in (1928) |
| September 13 | 93.0°F (2002) | 25.0°F (1970) | 0.47 in (1963) |
| September 14 | 93.9°F (1959) | 30.0°F (1921) | 1.19 in (1966) |
| September 15 | 91.9°F (1979) | 33.1°F (1921) | 0.42 in (1985) |
| September 16 | 93.0°F (1909) | 28.0°F (1965) | 0.47 in (1965) |
| September 17 | 93.9°F (1981) | 27.0°F (1965) | 0.45 in (1947) |
| September 18 | 93.9°F (1906) | 28.0°F (1965) | 0.63 in (1940) |
| September 19 | 91.9°F (2013) | 30.9°F (1957) | 0.59 in (1902) |
| September 20 | 93.0°F (1897) | 32.0°F (1983) | 0.60 in (1982) |
| September 21 | 91.9°F (2012) | 30.9°F (1895) | 0.36 in (2023) |
| September 22 | 90.0°F (1905) | 15.1°F (1894) | 0.80 in (1920) |
| September 23 | 91.0°F (1999) | 28.0°F (2000) | 0.72 in (1973) |
| September 24 | 90.0°F (1994) | 19.0°F (1926) | 0.66 in (1934) |
| September 25 | 95.0°F (1952) | 19.9°F (1926) | 0.39 in (1923) |
| September 26 | 97.0°F (1952) | 21.9°F (1926) | 0.38 in (1922) |
| September 27 | 88.0°F (2003) | 28.9°F (1972) | 0.90 in (1981) |
| September 28 | 90.0°F (1967) | 28.0°F (1985) | 0.78 in (1957) |
| September 29 | 90.0°F (1996) | 26.1°F (1985) | 0.80 in (1927) |
| September 30 | 86.0°F (1970) | 28.0°F (1954) | 0.37 in (2013) |