September weather in Gaston, OR
The average temperature in Gaston in September is °F (°F–°F). Average precipitation: 1.30 inches.
September is a fall month in Gaston, and is cooler than the annual average of 0°F. Expect about 6 days with precipitation. Daylight averages about 12h 18m.
Avg High
°F
Avg Low
°F
Precipitation
1.30 in
Daylight
12h 18m
September records in Gaston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 1.32 in (1971) |
| September 2 | — | — | 0.61 in (1979) |
| September 3 | — | — | 0.95 in (1979) |
| September 4 | — | — | 2.04 in (1945) |
| September 5 | — | — | 0.88 in (1959) |
| September 6 | — | — | 0.62 in (1984) |
| September 7 | — | — | 0.51 in (1947) |
| September 8 | — | — | 0.34 in (1952) |
| September 9 | — | — | 0.75 in (1978) |
| September 10 | — | — | 0.94 in (1956) |
| September 11 | — | — | 0.36 in (1978) |
| September 12 | — | — | 0.42 in (2018) |
| September 13 | — | — | 0.27 in (1985) |
| September 14 | — | — | 0.53 in (1976) |
| September 15 | — | — | 1.46 in (1996) |
| September 16 | — | — | 0.97 in (1955) |
| September 17 | — | — | 0.72 in (1997) |
| September 18 | — | — | 0.98 in (2021) |
| September 19 | — | — | 1.08 in (2021) |
| September 20 | — | — | 0.97 in (1982) |
| September 21 | — | — | 0.87 in (1972) |
| September 22 | — | — | 0.82 in (1944) |
| September 23 | — | — | 0.92 in (1948) |
| September 24 | — | — | 0.89 in (2014) |
| September 25 | — | — | 0.89 in (2023) |
| September 26 | — | — | 0.93 in (2023) |
| September 27 | — | — | 1.40 in (1981) |
| September 28 | — | — | 1.26 in (2013) |
| September 29 | — | — | 2.21 in (2013) |
| September 30 | — | — | 1.64 in (2013) |