September weather in Darrington, WA
The average temperature in Darrington in September is 59.6°F (47.4°F–71.7°F). Average precipitation: 3.39 inches.
September is a fall month in Darrington, and is warmer than the annual average of 49.6°F. Daily temperatures swing about 24.3°F between overnight low and afternoon high. Daylight averages about 12h 20m. For travel, September is a comfortable month to visit.
Avg High
71.7°F
Avg Low
47.4°F
Precipitation
3.39 in
Daylight
12h 20m
September records in Darrington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1987) | 39.9°F (1930) | 1.85 in (1936) |
| September 2 | 95.0°F (1934) | 33.1°F (1932) | 1.55 in (1978) |
| September 3 | 102.0°F (1988) | 33.1°F (1932) | 1.09 in (2014) |
| September 4 | 104.0°F (1988) | 37.0°F (2002) | 1.67 in (1994) |
| September 5 | 102.0°F (1944) | 35.1°F (1912) | 3.90 in (1931) |
| September 6 | 95.0°F (1973) | 36.0°F (1917) | 2.20 in (1985) |
| September 7 | 89.1°F (1943) | 37.0°F (1928) | 1.30 in (1947) |
| September 8 | 95.0°F (1981) | 27.0°F (1928) | 1.00 in (1992) |
| September 9 | 91.9°F (1997) | 36.0°F (1936) | 1.85 in (1972) |
| September 10 | 93.9°F (1932) | 30.0°F (1928) | 1.10 in (1941) |
| September 11 | 91.9°F (2020) | 34.0°F (1915) | 2.37 in (1967) |
| September 12 | 91.9°F (1945) | 32.0°F (1916) | 0.76 in (1984) |
| September 13 | 88.0°F (1929) | 30.0°F (1970) | 1.80 in (1944) |
| September 14 | 96.1°F (1937) | 30.0°F (1916) | 2.00 in (1935) |
| September 15 | 93.0°F (1979) | 30.0°F (1916) | 2.00 in (1935) |
| September 16 | 95.0°F (1929) | 32.0°F (1936) | 2.00 in (1944) |
| September 17 | 93.9°F (1938) | 34.0°F (1928) | 2.67 in (1997) |
| September 18 | 90.0°F (2009) | 35.1°F (1945) | 2.77 in (2021) |
| September 19 | 87.1°F (1991) | 32.0°F (1983) | 1.36 in (2010) |
| September 20 | 90.0°F (1952) | 32.0°F (1949) | 1.55 in (1980) |
| September 21 | 91.0°F (1952) | 30.0°F (1932) | 3.26 in (1972) |
| September 22 | 100.9°F (2009) | 30.0°F (1932) | 1.04 in (1933) |
| September 23 | 91.9°F (1943) | 28.9°F (1926) | 1.77 in (1972) |
| September 24 | 91.9°F (1943) | 24.1°F (1926) | 2.87 in (2020) |
| September 25 | 91.9°F (1997) | 28.0°F (1926) | 0.97 in (1956) |
| September 26 | 90.0°F (1991) | 28.0°F (1929) | 1.26 in (1956) |
| September 27 | 90.0°F (1949) | 28.9°F (1934) | 2.20 in (1992) |
| September 28 | 91.9°F (2003) | 30.0°F (1983) | 1.50 in (1933) |
| September 29 | 91.9°F (2003) | 28.9°F (1916) | 3.92 in (2013) |
| September 30 | 86.0°F (2006) | 30.0°F (1921) | 2.10 in (1953) |