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Coldest beach in Oregon in September

61 coastal locations in Oregon ranked by their typical September sea temperature. State-wide average in September: 13.2°C.

Coldest in September

Malheur Lake

11.3°C

State September average

13.2°C

across 61 coastal locations in Oregon

Vs annual mean

+1.7°C

above the year-round state average

What the Oregon water feels like in September

Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a real risk.

Oregon monthly average 9.8°C to 13.3°C
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  • Warmest month August 13.3°C
  • Coldest month March 9.8°C
  • Annual mean 11.5°C
  • Months above 20°C 0 of 12

Where September fits in the year

September sits inside the state pattern shown on the left. Browse a different month for a fresh ranking.

Oregon sea temperature map (live)

Today's reading at every Oregon beach we track. The list below uses the typical September mean from a decade of daily history.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 coldest Oregon beaches in September

Sorted by typical September mean. Click any beach for the full location page.

# Location September mean
1 Depoe Bay Oregon 13.9°C
2 Cascade Head, Salmon River Oregon 13.8°C
3 Nestucca Bay entrance, Oregon Oregon 13.8°C
4 Netarts Oregon 13.8°C
5 Portland Oregon 13.8°C
6 Tillamook Oregon 13.8°C
7 Brighton, Nehalem River, Oregon Oregon 13.6°C
8 Nehalem, Nehalem River, Oregon Oregon 13.6°C
9 North Fork, Nehalem River Oregon 13.6°C
10 North Jetty, Tillamook Bay Oregon 13.6°C
11 Newport Oregon 13.4°C
12 Chinook Bend, Siletz River Oregon 13.3°C
13 Kernville, Siletz River, Oregon Oregon 13.3°C
14 Taft, Siletz Bay, Oregon Oregon 13.3°C
15 Charleston, Coos Bay Oregon 13.0°C
16 Coos Bay, Oregon Oregon 13.0°C
17 Empire, Coos Bay, Oregon Oregon 13.0°C
18 Sitka Dock, Coos Bay, Oregon Oregon 13.0°C
19 Cushman, Suislaw River Oregon 13.0°C
20 Entrance, Umpqua River, Oregon Oregon 13.0°C
21 Florence, Siuslaw River, Oregon Oregon 13.0°C
22 Gardiner, Umpqua River, Oregon Oregon 13.0°C
23 Halfmoon Bay, Umpqua River Oregon 13.0°C
24 Reedsport, Umpqua River Oregon 13.0°C
25 Waldport Oregon 13.0°C
Show 25 more ▸
26 Crater Lake Oregon 12.9°C
27 Bar at entrance, Yaquina Bay, Oregon Oregon 12.9°C
28 South Beach, Yaquina Bay and River Oregon 12.9°C
29 Toledo, Oregon Oregon 12.9°C
30 Toledo, Yaquina River, Oregon Oregon 12.9°C
31 Weiser Point, Yaquina River Oregon 12.9°C
32 Winant, Oregon Oregon 12.9°C
33 Yaquina, Oregon Oregon 12.9°C
34 Yaquina USCG station, Newport, Yaquina Bay, Oregon Oregon 12.9°C
35 Bandon Oregon 12.9°C
36 Coos Bay Oregon 12.9°C
37 Entrance, Siuslaw River, Oregon Oregon 12.8°C
38 Florence USCG Pier, Suislaw River Oregon 12.8°C
39 Florence Oregon 12.8°C
40 Siuslaw River entrance, Oregon Oregon 12.8°C
41 Drift Creek, Alsea River, Oregon Oregon 12.7°C
42 Waldport, Alsea Bay Oregon 12.7°C
43 Brookings, Chetco Cove, Oregon Oregon 12.7°C
44 Rink Creek Entrance, Coquille River Oregon 12.7°C
45 Gold Beach, Rogue River Oregon 12.1°C
46 Wedderburn, Rogue River, Oregon Oregon 12.1°C
47 Brookings Oregon 11.8°C
48 Port Orford Oregon 11.8°C
49 Gold Beach Oregon 11.6°C
50 Malheur Lake Oregon 11.3°C

Warmest 10 in Oregon in September

Same data flipped. The warmest spots in the state for this month.

# Location September mean
1 Astoria Oregon 14.6°C
2 Gearhart Oregon 14.6°C
3 Cannon Beach Oregon 14.5°C
4 Seaside Oregon 14.5°C
5 Barview Oregon 14.3°C
6 Bay City Oregon 14.3°C
7 Manzanita Oregon 14.3°C
8 Rockaway Beach Oregon 14.3°C
9 Depoe Bay Oregon 13.9°C
10 Lincoln Beach Oregon 13.9°C

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