September weather in Wasco, OR
The average temperature in Wasco in September is °F (°F–°F). Average precipitation: 0.38 inches.
September is a fall month in Wasco, and is cooler than the annual average of 0°F. Expect about 3 days with precipitation. Daylight averages about 12h 18m.
Avg High
°F
Avg Low
°F
Precipitation
0.38 in
Daylight
12h 18m
September records in Wasco
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 99.0°F (1950) | 41.0°F (1924) | 0.74 in (1971) |
| September 2 | 99.0°F (1950) | 39.0°F (1919) | 0.38 in (1941) |
| September 3 | 96.1°F (1935) | 39.0°F (1932) | 0.25 in (1916) |
| September 4 | 96.1°F (1930) | 41.0°F (1948) | 0.85 in (1911) |
| September 5 | 97.0°F (1944) | 42.1°F (1950) | 0.83 in (1911) |
| September 6 | 100.0°F (1944) | 41.0°F (1923) | 0.67 in (2013) |
| September 7 | 100.9°F (1944) | 35.1°F (1950) | 0.58 in (1995) |
| September 8 | 98.1°F (1944) | 37.0°F (1927) | 0.42 in (1924) |
| September 9 | 98.1°F (1944) | 37.9°F (1913) | 1.24 in (1911) |
| September 10 | 100.9°F (1944) | 37.0°F (1913) | 0.70 in (1985) |
| September 11 | 100.0°F (1944) | 35.1°F (1952) | 0.55 in (1919) |
| September 12 | 91.9°F (1929) | 30.9°F (1921) | 0.60 in (1920) |
| September 13 | 93.9°F (1929) | 27.0°F (1921) | 0.47 in (1920) |
| September 14 | 96.1°F (1938) | 28.9°F (1921) | 0.76 in (1918) |
| September 15 | 97.0°F (1938) | 28.9°F (1921) | 0.60 in (1963) |
| September 16 | 98.1°F (1938) | 30.0°F (1936) | 0.47 in (1996) |
| September 17 | 98.1°F (1938) | 36.0°F (1936) | 0.24 in (1997) |
| September 18 | 95.0°F (1952) | 33.1°F (1947) | 0.48 in (1959) |
| September 19 | 93.0°F (1938) | 37.0°F (1933) | 1.50 in (2010) |
| September 20 | 89.1°F (1942) | 34.0°F (1949) | 1.21 in (1982) |
| September 21 | 98.1°F (1952) | 34.0°F (1941) | 0.25 in (1972) |
| September 22 | 96.1°F (1939) | 34.0°F (1923) | 0.28 in (1926) |
| September 23 | 93.0°F (1952) | 32.0°F (1926) | 0.51 in (1934) |
| September 24 | 93.0°F (1952) | 25.0°F (1926) | 0.46 in (1948) |
| September 25 | 98.1°F (1952) | 28.0°F (1926) | 0.41 in (1923) |
| September 26 | 91.0°F (1943) | 28.0°F (1926) | 0.46 in (1923) |
| September 27 | 88.0°F (1949) | 26.1°F (1926) | 0.75 in (1981) |
| September 28 | 87.1°F (1949) | 30.9°F (1929) | 1.38 in (1947) |
| September 29 | 84.0°F (1932) | 28.0°F (1919) | 0.80 in (1927) |
| September 30 | 84.0°F (1936) | 28.9°F (1950) | 0.60 in (2005) |