September weather in Davenport, WA
The average temperature in Davenport in September is 56.5°F (40.3°F–72.6°F). Average precipitation: 0.49 inches.
September is a fall month in Davenport, and is warmer than the annual average of 44.5°F. Daily temperatures swing about 32.3°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
72.6°F
Avg Low
40.3°F
Precipitation
0.49 in
Daylight
12h 19m
September records in Davenport
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1967) | 32.0°F (1966) | 0.25 in (1910) |
| September 2 | 96.1°F (1987) | 30.9°F (2012) | 0.44 in (1941) |
| September 3 | 98.1°F (2025) | 30.0°F (2016) | 0.21 in (1941) |
| September 4 | 98.1°F (1988) | 30.9°F (2015) | 0.69 in (1960) |
| September 5 | 97.0°F (1988) | 28.0°F (1996) | 0.94 in (1940) |
| September 6 | 95.0°F (1988) | 30.9°F (1913) | 0.66 in (1947) |
| September 7 | 97.0°F (1958) | 26.1°F (1933) | 0.38 in (1927) |
| September 8 | 95.0°F (1958) | 30.0°F (1992) | 0.67 in (1995) |
| September 9 | 95.0°F (1963) | 28.9°F (1928) | 0.51 in (1947) |
| September 10 | 91.9°F (2011) | 26.1°F (1913) | 0.45 in (1927) |
| September 11 | 91.0°F (1953) | 26.1°F (2012) | 1.02 in (1927) |
| September 12 | 93.0°F (1996) | 28.0°F (1962) | 0.30 in (1920) |
| September 13 | 91.0°F (1923) | 26.1°F (1915) | 1.01 in (1927) |
| September 14 | 90.0°F (1924) | 25.0°F (1970) | 0.51 in (1927) |
| September 15 | 91.9°F (1957) | 25.0°F (1970) | 1.23 in (1959) |
| September 16 | 91.0°F (1938) | 27.0°F (2006) | 0.66 in (1963) |
| September 17 | 93.0°F (1981) | 27.0°F (1965) | 1.28 in (1954) |
| September 18 | 95.0°F (1981) | 21.9°F (1965) | 0.35 in (1985) |
| September 19 | 91.0°F (1922) | 28.0°F (1957) | 0.50 in (1988) |
| September 20 | 88.0°F (1939) | 24.1°F (1934) | 0.71 in (1959) |
| September 21 | 89.1°F (1979) | 26.1°F (2007) | 0.90 in (1910) |
| September 22 | 90.0°F (1967) | 27.0°F (1909) | 1.21 in (1934) |
| September 23 | 91.0°F (1966) | 19.9°F (2000) | 0.30 in (1920) |
| September 24 | 89.1°F (1987) | 17.1°F (1926) | 0.48 in (1977) |
| September 25 | 91.0°F (2011) | 21.9°F (1926) | 0.22 in (1924) |
| September 26 | 88.0°F (1997) | 28.0°F (1981) | 1.02 in (1948) |
| September 27 | 88.0°F (1963) | 23.0°F (1999) | 0.66 in (1955) |
| September 28 | 91.9°F (1918) | 21.0°F (1999) | 1.08 in (1962) |
| September 29 | 88.0°F (1918) | 19.9°F (1985) | 0.53 in (2013) |
| September 30 | 84.0°F (1976) | 23.0°F (1933) | 0.39 in (1951) |