September weather in Halfway, OR
The average temperature in Halfway in September is 60.5°F (42.2°F–78.8°F). Average precipitation: 0.68 inches.
September is a fall month in Halfway, and is warmer than the annual average of 47.9°F. Daily temperatures swing about 36.6°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
78.8°F
Avg Low
42.2°F
Precipitation
0.68 in
Daylight
12h 18m
September records in Halfway
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (1950) | 30.0°F (1999) | 0.72 in (1964) |
| September 2 | 102.0°F (1950) | 28.9°F (2008) | 0.75 in (1963) |
| September 3 | 102.0°F (2017) | 30.0°F (1993) | 0.82 in (1997) |
| September 4 | 100.0°F (1998) | 28.9°F (1969) | 1.32 in (1940) |
| September 5 | 104.0°F (1955) | 30.0°F (1969) | 1.13 in (2013) |
| September 6 | 100.9°F (1944) | 28.0°F (2010) | 0.43 in (1978) |
| September 7 | 102.0°F (1944) | 26.1°F (1992) | 0.62 in (1970) |
| September 8 | 102.9°F (1944) | 27.0°F (1992) | 0.69 in (1998) |
| September 9 | 97.0°F (1944) | 28.0°F (1962) | 0.71 in (1998) |
| September 10 | 97.0°F (1944) | 30.0°F (1983) | 0.29 in (1980) |
| September 11 | 99.0°F (1944) | 28.0°F (1982) | 0.41 in (1967) |
| September 12 | 97.0°F (1944) | 27.0°F (1949) | 0.72 in (2004) |
| September 13 | 98.1°F (2000) | 24.1°F (1949) | 0.85 in (1980) |
| September 14 | 95.0°F (2000) | 19.0°F (1992) | 1.57 in (1959) |
| September 15 | 93.0°F (1953) | 26.1°F (1947) | 0.62 in (1996) |
| September 16 | 93.9°F (2008) | 28.0°F (1982) | 0.35 in (1977) |
| September 17 | 95.0°F (1981) | 19.9°F (1965) | 0.57 in (1989) |
| September 18 | 93.9°F (1981) | 18.0°F (1965) | 0.66 in (2019) |
| September 19 | 91.0°F (1952) | 21.9°F (1965) | 0.72 in (2006) |
| September 20 | 90.0°F (1939) | 23.0°F (1983) | 0.98 in (2008) |
| September 21 | 93.9°F (1966) | 21.9°F (1993) | 0.25 in (1945) |
| September 22 | 96.1°F (1966) | 21.0°F (1961) | 0.45 in (2007) |
| September 23 | 93.0°F (1966) | 23.0°F (1956) | 0.58 in (1986) |
| September 24 | 95.0°F (1943) | 19.0°F (1993) | 0.28 in (1976) |
| September 25 | 91.9°F (1943) | 21.0°F (1970) | 0.20 in (1979) |
| September 26 | 91.0°F (1963) | 23.0°F (1972) | 0.89 in (1959) |
| September 27 | 93.0°F (1963) | 23.0°F (1950) | 0.36 in (1962) |
| September 28 | 91.9°F (1963) | 19.9°F (1999) | 1.10 in (1962) |
| September 29 | 91.9°F (1963) | 21.0°F (1985) | 0.64 in (2013) |
| September 30 | 90.0°F (1957) | 19.9°F (1954) | 1.10 in (1940) |