September weather in Unity, OR
The average temperature in Unity in September is 54.1°F (34.8°F–73.3°F). Average precipitation: 0.79 inches.
September is a fall month in Unity, and is warmer than the annual average of 42.6°F. Daily temperatures swing about 38.5°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 12h 17m. For travel, September is cool.
Avg High
73.3°F
Avg Low
34.8°F
Precipitation
0.79 in
Daylight
12h 17m
September records in Unity
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 95.0°F (1945) | 21.0°F (1955) | 0.31 in (1941) |
| September 2 | 97.0°F (1950) | 23.0°F (1944) | 0.42 in (1941) |
| September 3 | 97.0°F (1931) | 21.9°F (1956) | 0.23 in (1997) |
| September 4 | 99.0°F (1998) | 21.9°F (1918) | 0.48 in (1940) |
| September 5 | 99.0°F (1998) | 21.9°F (1987) | 0.32 in (1936) |
| September 6 | 93.9°F (1988) | 23.0°F (1929) | 0.25 in (2000) |
| September 7 | 93.0°F (1931) | 17.1°F (1992) | 0.61 in (1947) |
| September 8 | 93.0°F (1944) | 19.9°F (1929) | 0.80 in (1970) |
| September 9 | 90.0°F (1944) | 19.9°F (1945) | 0.47 in (1952) |
| September 10 | 91.0°F (1953) | 19.9°F (1955) | 0.73 in (1998) |
| September 11 | 91.9°F (1944) | 21.9°F (1982) | 0.63 in (1978) |
| September 12 | 90.0°F (1996) | 19.9°F (1936) | 0.78 in (1963) |
| September 13 | 90.0°F (1929) | 18.0°F (1970) | 0.89 in (1980) |
| September 14 | 97.0°F (1953) | 12.0°F (1936) | 0.58 in (1955) |
| September 15 | 93.9°F (1937) | 16.0°F (1970) | 0.90 in (1919) |
| September 16 | 95.0°F (1995) | 16.0°F (1912) | 0.47 in (1996) |
| September 17 | 89.1°F (1931) | 16.0°F (1965) | 0.36 in (2002) |
| September 18 | 91.9°F (1981) | 15.1°F (1965) | 0.37 in (1959) |
| September 19 | 90.0°F (1979) | 12.0°F (1947) | 0.69 in (1959) |
| September 20 | 88.0°F (1918) | 17.1°F (1947) | 0.80 in (1982) |
| September 21 | 89.1°F (1932) | 16.0°F (1993) | 0.27 in (1980) |
| September 22 | 89.1°F (1939) | 15.1°F (1993) | 0.28 in (1933) |
| September 23 | 89.1°F (1952) | 15.1°F (1931) | 0.98 in (1917) |
| September 24 | 91.0°F (1987) | 15.1°F (1913) | 0.58 in (1948) |
| September 25 | 89.1°F (1987) | 15.1°F (1912) | 0.59 in (1973) |
| September 26 | 88.0°F (1966) | 12.9°F (1934) | 1.17 in (1959) |
| September 27 | 88.0°F (1991) | 10.0°F (1935) | 0.65 in (1990) |
| September 28 | 89.1°F (1994) | 15.1°F (1999) | 0.96 in (1962) |
| September 29 | 89.1°F (1967) | 16.0°F (1999) | 1.30 in (1913) |
| September 30 | 88.0°F (2001) | 12.0°F (1961) | 0.39 in (1971) |