September weather in Wilkeson, WA
The average temperature in Wilkeson in September is 59.4°F (47.3°F–71.5°F). Average precipitation: 2.35 inches.
September is a fall month in Wilkeson, and is warmer than the annual average of 50.9°F. Daily temperatures swing about 24.2°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
71.5°F
Avg Low
47.3°F
Precipitation
2.35 in
Daylight
12h 19m
September records in Wilkeson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (1987) | 37.9°F (1913) | 1.15 in (1983) |
| September 2 | 96.1°F (1988) | 41.0°F (1975) | 1.61 in (1971) |
| September 3 | 97.0°F (1988) | 39.9°F (1975) | 0.73 in (1979) |
| September 4 | 93.9°F (1988) | 41.0°F (1973) | 1.79 in (1945) |
| September 5 | 95.0°F (1944) | 37.9°F (1947) | 1.00 in (1959) |
| September 6 | 89.1°F (1944) | 33.1°F (1960) | 1.00 in (1931) |
| September 7 | 93.9°F (1981) | 33.1°F (1960) | 0.79 in (2009) |
| September 8 | 93.0°F (1981) | 36.0°F (1960) | 0.90 in (1972) |
| September 9 | 90.0°F (1944) | 36.0°F (1928) | 1.33 in (1915) |
| September 10 | 93.9°F (1944) | 37.9°F (1928) | 0.83 in (1962) |
| September 11 | 87.1°F (1922) | 37.0°F (1936) | 1.25 in (2004) |
| September 12 | 95.0°F (1924) | 37.9°F (1986) | 1.26 in (1920) |
| September 13 | 88.0°F (1929) | 37.9°F (1952) | 0.78 in (1963) |
| September 14 | 93.0°F (1938) | 36.0°F (1952) | 1.20 in (1935) |
| September 15 | 93.9°F (1967) | 37.9°F (1932) | 1.33 in (1959) |
| September 16 | 88.0°F (1929) | 35.1°F (1936) | 0.83 in (1955) |
| September 17 | 91.0°F (1938) | 37.0°F (1965) | 0.79 in (1978) |
| September 18 | 86.0°F (1991) | 35.1°F (1971) | 1.52 in (1968) |
| September 19 | 82.0°F (1927) | 36.0°F (1926) | 1.34 in (1969) |
| September 20 | 88.0°F (1974) | 34.0°F (1983) | 1.11 in (1945) |
| September 21 | 88.0°F (1952) | 36.0°F (1928) | 1.52 in (1972) |
| September 22 | 91.0°F (1990) | 33.1°F (1923) | 1.66 in (1948) |
| September 23 | 90.0°F (1989) | 33.1°F (1996) | 1.73 in (1992) |
| September 24 | 88.0°F (1943) | 34.0°F (2000) | 0.57 in (1988) |
| September 25 | 87.1°F (1997) | 30.0°F (1926) | 0.70 in (1950) |
| September 26 | 86.0°F (1991) | 34.0°F (1929) | 1.83 in (1959) |
| September 27 | 91.9°F (1967) | 34.0°F (1924) | 1.43 in (1940) |
| September 28 | 84.9°F (1932) | 30.9°F (1924) | 1.13 in (1962) |
| September 29 | 84.9°F (1992) | 33.1°F (1983) | 1.10 in (1927) |
| September 30 | 82.9°F (1987) | 28.9°F (1983) | 1.61 in (2005) |