September weather in Quincy, WA
The average temperature in Quincy in September is 63.8°F (49.8°F–77.8°F). Average precipitation: 0.20 inches.
September is a fall month in Quincy, and is warmer than the annual average of 51.1°F. Daily temperatures swing about 28°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
77.8°F
Avg Low
49.8°F
Precipitation
0.20 in
Daylight
12h 19m
September records in Quincy
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1949) | 39.0°F (1971) | 0.28 in (1956) |
| September 2 | 99.0°F (1950) | 41.0°F (1948) | 0.72 in (1941) |
| September 3 | 98.1°F (1950) | 37.9°F (2000) | 0.24 in (1978) |
| September 4 | 98.1°F (1988) | 39.0°F (1980) | 0.26 in (1960) |
| September 5 | 99.0°F (1955) | 39.9°F (1969) | 0.06 in (1949) |
| September 6 | 99.0°F (1944) | 37.0°F (1969) | 0.34 in (1946) |
| September 7 | 100.0°F (1944) | 36.0°F (1952) | 0.53 in (1995) |
| September 8 | 99.0°F (1944) | 33.1°F (1962) | 0.28 in (1947) |
| September 9 | 97.0°F (1944) | 35.1°F (1962) | 0.17 in (1985) |
| September 10 | 95.0°F (1944) | 35.1°F (1970) | 0.36 in (1966) |
| September 11 | 99.0°F (1944) | 34.0°F (1941) | 0.03 in (2018) |
| September 12 | 97.0°F (1943) | 30.0°F (1949) | 0.09 in (1985) |
| September 13 | 95.0°F (1943) | 28.9°F (1970) | 0.32 in (1986) |
| September 14 | 95.0°F (2013) | 35.1°F (1947) | 0.43 in (1959) |
| September 15 | 91.9°F (1981) | 30.0°F (1970) | 0.68 in (1996) |
| September 16 | 95.0°F (1981) | 35.1°F (1973) | 0.53 in (1986) |
| September 17 | 97.0°F (1981) | 32.0°F (1971) | 50.04 in (1954) |
| September 18 | 95.0°F (1952) | 33.1°F (1971) | 0.40 in (1985) |
| September 19 | 93.0°F (1984) | 30.9°F (1957) | 0.20 in (1973) |
| September 20 | 89.1°F (1967) | 28.9°F (1983) | 0.67 in (2010) |
| September 21 | 91.0°F (1967) | 33.1°F (1971) | 0.07 in (2000) |
| September 22 | 90.0°F (1966) | 30.0°F (1981) | 0.44 in (1984) |
| September 23 | 90.0°F (1952) | 28.0°F (1981) | 0.65 in (1984) |
| September 24 | 91.0°F (1942) | 30.0°F (1948) | 0.64 in (1982) |
| September 25 | 93.9°F (1952) | 27.0°F (1972) | 0.36 in (1959) |
| September 26 | 89.1°F (1942) | 26.1°F (1972) | 0.82 in (1948) |
| September 27 | 89.1°F (1963) | 30.0°F (1972) | 0.43 in (1957) |
| September 28 | 91.9°F (1963) | 28.0°F (1985) | 0.22 in (1977) |
| September 29 | 86.0°F (1963) | 26.1°F (1985) | 0.48 in (1962) |
| September 30 | 84.0°F (1993) | 30.0°F (1984) | 0.17 in (1951) |