World Resorts USA Cannon Beach Weather

Cannon Beach Sea Temperature in September

Average sea water temperature in September:
+55.6°F
Minimum sea water temperature in September: 61.0°F
Maximum sea water temperature in September: 49.8°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 54.9°F. The highest and lowest sea temperatures during the month were 58.5°F and 49.8°F.

Monthly sea water temperature in Cannon Beach, °F

Which USA resorts have warmest sea in September?

Place name September 2025 September 2024
Key West 86.9°F 87.4°F
Islamorada 86.7°F 87.3°F
Key Largo 86.6°F 87.1°F
Fort Lauderdale 86.4°F 86.4°F
Everglades 86.2°F 87.0°F
Miami Beach 86.1°F 86.3°F
Naples 86.1°F 87.2°F
Marco Island 86.0°F 87.2°F
South Padre Island 86.0°F 85.8°F
Corpus Christi 85.8°F 84.7°F
Miami 85.8°F 86.0°F
Cape Coral 85.2°F 86.5°F
Houston 84.9°F 83.4°F
Siesta Key 84.9°F 86.8°F
Sarasota 84.8°F 86.7°F
Cocoa Beach 84.6°F 85.2°F
Tampa 84.3°F 86.0°F
New Orleans 84.3°F 82.9°F
Mobile 84.0°F 83.5°F
Clearwater Beach 84.0°F 86.2°F

Best time for vacation in Cannon Beach

Sunniest months:
August 13 days
September 12 days
July 11 days
Warmest months:
August 65.2 °F
July 63.4 °F
September 63.1 °F
Warmest sea temp:
August 57.3 °F
July 55.8 °F
September 55.6 °F
Coldest months:
February 45.5 °F
December 46.8 °F
January 46.8 °F
Rainiest months:
January 9 days
November 7 days
December 5 days
Windiest months:
December 9.6 mph
January 9.5 mph
February 9.3 mph

Cannon Beach on a weather map

Cannon Beach
+52°F
NE 7 mph
Feels like: +48°F
Precip.: 100%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+45°F
+3°F
24 Hours Forecast
Cannon Beach
Local time: 00:30
December 05, friday
0300
52°F
N
9 mph
0600
52°F
NE
12 mph
0900
52°F
NE
12 mph
1200
54°F
NE
11 mph
1500
54°F
NE
11 mph
1800
52°F
NE
13 mph
2100
52°F
NE
14 mph
December 06, saturday
0000
50°F
E
17 mph
Units of measurement: °C / °F