September weather in Yacolt, WA
The average temperature in Yacolt in September is 60.0°F (45.6°F–74.5°F). Average precipitation: 2.20 inches.
September is a fall month in Yacolt, and is warmer than the annual average of 50.9°F. Daily temperatures swing about 28.9°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
74.5°F
Avg Low
45.6°F
Precipitation
2.20 in
Daylight
12h 18m
September records in Yacolt
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (1987) | 36.0°F (1973) | 1.07 in (1941) |
| September 2 | 99.0°F (1947) | 37.0°F (1984) | 0.73 in (1971) |
| September 3 | 105.1°F (1988) | 37.0°F (1956) | 1.07 in (1979) |
| September 4 | 96.1°F (1944) | 34.0°F (1947) | 1.47 in (1945) |
| September 5 | 105.1°F (1944) | 34.0°F (1947) | 0.56 in (1959) |
| September 6 | 96.1°F (1955) | 37.0°F (1950) | 1.76 in (2013) |
| September 7 | 100.0°F (1958) | 34.0°F (1992) | 0.76 in (1984) |
| September 8 | 100.0°F (1958) | 37.9°F (1960) | 0.52 in (1940) |
| September 9 | 93.9°F (1944) | 37.0°F (1961) | 1.43 in (2019) |
| September 10 | 99.0°F (1944) | 37.9°F (1965) | 1.48 in (1985) |
| September 11 | 99.0°F (1973) | 34.0°F (1986) | 0.80 in (1934) |
| September 12 | 96.1°F (2013) | 35.1°F (1988) | 1.16 in (1982) |
| September 13 | 93.9°F (1999) | 30.9°F (1970) | 0.99 in (2004) |
| September 14 | 93.9°F (1943) | 35.1°F (1969) | 2.32 in (1996) |
| September 15 | 95.0°F (1957) | 34.0°F (1969) | 0.90 in (1997) |
| September 16 | 99.0°F (1981) | 36.0°F (1947) | 0.83 in (2019) |
| September 17 | 89.1°F (1991) | 28.0°F (1965) | 1.09 in (1964) |
| September 18 | 91.9°F (1962) | 32.0°F (1942) | 1.70 in (1969) |
| September 19 | 93.9°F (1999) | 30.9°F (1965) | 1.68 in (2021) |
| September 20 | 96.1°F (1952) | 32.0°F (1993) | 1.60 in (1982) |
| September 21 | 95.0°F (1974) | 32.0°F (1949) | 0.84 in (1982) |
| September 22 | 98.1°F (1952) | 30.9°F (2000) | 0.84 in (2013) |
| September 23 | 95.0°F (1990) | 32.0°F (2000) | 1.40 in (1934) |
| September 24 | 93.0°F (1943) | 30.9°F (1970) | 1.50 in (1986) |
| September 25 | 91.9°F (1991) | 30.9°F (1948) | 0.98 in (2001) |
| September 26 | 97.0°F (1991) | 32.0°F (1999) | 1.58 in (1948) |
| September 27 | 95.0°F (1949) | 28.9°F (1972) | 1.30 in (1940) |
| September 28 | 95.0°F (1967) | 30.9°F (1946) | 1.37 in (2013) |
| September 29 | 89.1°F (2008) | 30.0°F (1983) | 1.82 in (2013) |
| September 30 | 91.0°F (1987) | 26.1°F (1950) | 1.47 in (2005) |