September weather in Clatskanie, OR
The average temperature in Clatskanie in September is 59.8°F (47.6°F–72.0°F). Average precipitation: 2.06 inches.
September is a fall month in Clatskanie, and is warmer than the annual average of 50.8°F. Daily temperatures swing about 24.4°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
72.0°F
Avg Low
47.6°F
Precipitation
2.06 in
Daylight
12h 18m
September records in Clatskanie
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.0°F (1998) | 41.0°F (2008) | 1.03 in (1971) |
| September 2 | 93.9°F (1988) | 41.0°F (1999) | 1.31 in (1979) |
| September 3 | 100.0°F (1988) | 41.0°F (1999) | 0.61 in (1978) |
| September 4 | 93.9°F (2017) | 41.0°F (1996) | 1.50 in (1945) |
| September 5 | 93.9°F (1944) | 39.9°F (1992) | 0.57 in (1937) |
| September 6 | 93.9°F (2024) | 39.0°F (1992) | 1.93 in (2013) |
| September 7 | 95.0°F (1958) | 37.0°F (1992) | 1.94 in (1978) |
| September 8 | 91.9°F (2012) | 39.9°F (1988) | 0.20 in (1952) |
| September 9 | 89.1°F (1989) | 39.0°F (1992) | 1.09 in (1978) |
| September 10 | 90.0°F (1944) | 39.9°F (1996) | 1.13 in (1963) |
| September 11 | 91.0°F (2007) | 37.0°F (2012) | 1.76 in (2005) |
| September 12 | 91.0°F (2009) | 37.9°F (2012) | 1.44 in (1963) |
| September 13 | 91.9°F (1957) | 35.1°F (1970) | 0.91 in (1940) |
| September 14 | 91.9°F (1967) | 37.0°F (1992) | 1.19 in (1935) |
| September 15 | 96.1°F (1967) | 37.9°F (1936) | 0.85 in (1996) |
| September 16 | 88.0°F (1967) | 37.9°F (1936) | 1.06 in (1963) |
| September 17 | 84.9°F (1991) | 35.1°F (1965) | 1.61 in (1997) |
| September 18 | 89.1°F (1991) | 37.0°F (1989) | 0.89 in (2010) |
| September 19 | 90.0°F (1991) | 37.0°F (1947) | 1.44 in (1977) |
| September 20 | 89.1°F (1952) | 37.9°F (1989) | 1.75 in (1973) |
| September 21 | 90.0°F (1950) | 37.0°F (1996) | 1.83 in (1972) |
| September 22 | 88.0°F (1952) | 36.0°F (1993) | 0.60 in (1948) |
| September 23 | 93.0°F (1989) | 30.0°F (2000) | 0.89 in (2013) |
| September 24 | 87.1°F (1974) | 30.9°F (2000) | 1.60 in (2020) |
| September 25 | 88.0°F (1991) | 34.0°F (1996) | 0.53 in (2023) |
| September 26 | 89.1°F (1991) | 36.0°F (2000) | 0.98 in (1959) |
| September 27 | 84.9°F (2003) | 33.1°F (1999) | 0.99 in (1940) |
| September 28 | 88.0°F (2003) | 34.0°F (1999) | 1.56 in (2013) |
| September 29 | 84.0°F (2017) | 32.0°F (1985) | 1.79 in (2013) |
| September 30 | 86.0°F (1987) | 33.1°F (1985) | 1.64 in (2013) |