September weather in Milton-Freewater, OR
The average temperature in Milton-Freewater in September is 67.1°F (54.6°F–79.6°F). Average precipitation: 0.61 inches.
September is a fall month in Milton-Freewater, and is warmer than the annual average of 55.5°F. Daily temperatures swing about 25°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 12h 18m. For travel, September is one of the best months of the year to visit.
Avg High
79.6°F
Avg Low
54.6°F
Precipitation
0.61 in
Daylight
12h 18m
September records in Milton-Freewater
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (2007) | 43.0°F (1999) | 0.60 in (2010) |
| September 2 | 102.9°F (2022) | 42.1°F (1974) | 0.25 in (2000) |
| September 3 | 100.0°F (1998) | 41.0°F (1958) | 0.80 in (1970) |
| September 4 | 99.0°F (1934) | 41.0°F (1956) | 0.44 in (2007) |
| September 5 | 99.0°F (1966) | 37.9°F (1956) | 0.79 in (1945) |
| September 6 | 100.0°F (1955) | 39.9°F (1969) | 0.55 in (1946) |
| September 7 | 98.1°F (1944) | 39.9°F (1929) | 0.78 in (1995) |
| September 8 | 97.0°F (1944) | 37.9°F (1962) | 0.97 in (2019) |
| September 9 | 96.1°F (1963) | 36.0°F (1962) | 0.27 in (1985) |
| September 10 | 95.0°F (1944) | 39.0°F (1964) | 0.48 in (2024) |
| September 11 | 97.0°F (1944) | 41.0°F (1964) | 0.50 in (1967) |
| September 12 | 93.9°F (1944) | 35.1°F (1970) | 0.76 in (1928) |
| September 13 | 97.0°F (1948) | 28.0°F (1970) | 0.82 in (1980) |
| September 14 | 93.9°F (1948) | 35.1°F (1982) | 0.90 in (1955) |
| September 15 | 97.0°F (2013) | 32.0°F (1970) | 0.54 in (1959) |
| September 16 | 93.9°F (1979) | 30.9°F (1936) | 0.52 in (1946) |
| September 17 | 93.0°F (1998) | 28.0°F (1965) | 0.40 in (1985) |
| September 18 | 96.1°F (1939) | 30.0°F (1971) | 0.65 in (1941) |
| September 19 | 91.9°F (1981) | 34.0°F (1957) | 0.62 in (1983) |
| September 20 | 96.1°F (2001) | 28.9°F (1983) | 0.81 in (2010) |
| September 21 | 95.0°F (1939) | 32.0°F (1983) | 0.83 in (1986) |
| September 22 | 89.1°F (1963) | 33.1°F (1971) | 0.29 in (1944) |
| September 23 | 90.0°F (1999) | 33.1°F (1996) | 0.49 in (2014) |
| September 24 | 96.1°F (1995) | 35.1°F (1934) | 0.63 in (1992) |
| September 25 | 95.0°F (2001) | 30.0°F (1970) | 0.75 in (1947) |
| September 26 | 93.0°F (1952) | 32.0°F (1972) | 0.72 in (1959) |
| September 27 | 88.0°F (1967) | 30.9°F (1972) | 0.75 in (1981) |
| September 28 | 91.9°F (1967) | 30.9°F (1983) | 0.82 in (1930) |
| September 29 | 90.0°F (1996) | 28.0°F (1983) | 0.33 in (1977) |
| September 30 | 87.1°F (1976) | 28.9°F (1983) | 0.68 in (1986) |