September weather in The Dalles, OR
The average temperature in The Dalles in September is 66.3°F (52.2°F–80.4°F). Average precipitation: 0.33 inches.
September is a fall month in The Dalles, and is warmer than the annual average of 54.4°F. Daily temperatures swing about 28.2°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
80.4°F
Avg Low
52.2°F
Precipitation
0.33 in
Daylight
12h 18m