World Resorts USA Port Clinton Weather

Port Clinton Sea Temperature in September

Average sea water temperature in September:
+71.7°F
Minimum sea water temperature in September: 78.1°F
Maximum sea water temperature in September: 62.8°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 70.8°F. The highest and lowest sea temperatures during the month were 73.0°F and 67.8°F.

Monthly sea water temperature in Port Clinton, °F

Which USA resorts have warmest sea in September?

Place name September 2025 September 2024
Key West 86.9°F 87.4°F
Key Largo 86.6°F 87.1°F
Fort Lauderdale 86.4°F 86.4°F
West Palm Beach 86.2°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
Sanibel Island 85.7°F 87.0°F
Galveston Island 85.5°F 84.4°F
Galveston 85.5°F 83.7°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

Best time for vacation in Port Clinton

Sunniest months:
September 16 days
August 14 days
October 14 days
Warmest months:
July 78.7 °F
August 77.3 °F
June 74.4 °F
Warmest sea temp:
July 78.0 °F
August 77.1 °F
September 71.7 °F
Coldest months:
January 30.1 °F
February 32.3 °F
December 36.8 °F
Rainiest months:
July 4 days
April 3 days
May 3 days
Windiest months:
March 12.6 mph
November 12.5 mph
December 12.2 mph

Port Clinton on a weather map

Port Clinton
+18°F
N 9 mph
Feels like: +7°F
Precip.: 0%
Places in USA:
Name
°F
+19°F
+75°F
+75°F
+59°F
+64°F
+46°F
+52°F
+68°F
+10°F
+57°F
+57°F
+46°F
+45°F
+54°F
+27°F
24 Hours Forecast
Port Clinton
Local time: 23:18
February 06, friday
0000
18°F
N
9 mph
0300
19°F
N
12 mph
0600
21°F
N
13 mph
0900
23°F
NE
9 mph
1200
28°F
E
10 mph
1500
32°F
SE
11 mph
1800
30°F
SE
11 mph
2100
23°F
SE
25 mph
Units of measurement: °C / °F