Oregon September Weather

Oregon weather averages and all-time records in the month of September from 1991–2020 based on data made available by the NOAA.
State:
Month:
Statewide September Averages
High temperature 74.1 °F
Low temperature 44.3 °F
Precipitation 1.0 inches
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Oregon Cities
September weather averages for various places in Oregon, from 1991–2020.
City Average (°F) Record (°F) Monthly (inches)
High Low High Low Precipitation Snow
Ashland 81.4 43.6 103 27 0.5 0.0
Astoria 67.9 50.4 95 33 2.7 n/a
Baker City 76.6 37.8 102 17 0.4 n/a
Bend 75.2 40.8 100 12 0.2 0.0
Boardman 80.3 48.9 100 25 0.3 0.0
Burns 77.1 36.4 102 17 0.4 n/a
Corvallis 77.6 48.3 103 27 1.5 0.0
Cottage Grove 77.5 46.7 105 24 1.5 0.0
Crater Lake 63.9 37.2 93 16 1.9 1.6
Estacada 75.6 49.9 105 30 2.1 0.0
Eugene 77.5 48.0 103 30 1.4 n/a
Forest Grove 77.4 49.4 104 27 1.3 0.0
Government Camp 64.1 43.9 94 23 3.1 0.2
John Day 78.9 40.7 110 21 0.5 0.0
Klamath Falls 77.6 40.6 103 20 0.3 n/a
Madras 76.2 39.3 104 9 0.3 0.0
Medford 84.6 50.8 110 29 0.5 0.0
Milton Freewater 78.8 54.0 103 28 0.6 0.0
Newport 65.0 50.3 91 31 2.1 0.0
North Bend 66.8 50.8 94 30 1.5 0.0
Oakridge 76.3 45.9 108 28 1.6 0.0
Pendleton 78.2 49.5 104 21 0.5 0.0
Portland 76.2 54.1 105 34 1.5 0.0
Redmond 77.9 39.2 106 15 0.4 n/a
Roseburg 79.9 52.3 104 32 0.9 n/a
Salem 77.0 50.0 104 26 1.5 n/a
Seneca 73.3 28.2 100 1 0.6 n/a
Stayton 76.0 49.2 102 30 2.1 0.0
The Dalles 81.2 52.3 105 25 0.3 n/a
Tillamook 68.4 46.7 97 27 3.1 0.0