World Resorts USA Newport Beach Weather

Newport Beach Sea Temperature in September

Average sea water temperature in September:
+68.7°F
Minimum sea water temperature in September: 75.0°F
Maximum sea water temperature in September: 63.3°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 69.5°F. The highest and lowest sea temperatures during the month were 71.8°F and 66.7°F.

Monthly sea water temperature in Newport Beach, °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
Everglades 86.2°F 87.0°F
West Palm Beach 86.2°F 86.4°F
Miami Beach 86.1°F 86.3°F
Naples 86.1°F 87.2°F
Hialeah 85.8°F 86.0°F
Corpus Christi 85.8°F 84.7°F
Miami 85.8°F 86.0°F
Galveston 85.5°F 83.7°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
St. Petersburg 84.1°F 86.1°F
Clearwater Beach 84.0°F 86.2°F

Best time for vacation in Newport Beach

Sunniest months:
August 24 days
July 24 days
October 22 days
Warmest months:
August 79.0 °F
September 78.0 °F
July 77.1 °F
Warmest sea temp:
August 69.3 °F
September 68.7 °F
July 67.8 °F
Coldest months:
January 63.9 °F
December 63.9 °F
March 64.1 °F
Rainiest months:
December 2 days
January 1 day
April 1 day
Windiest months:
May 6.7 mph
March 6.6 mph
April 6.4 mph

Newport Beach on a weather map

Newport Beach
+72°F
NE 11 mph
Feels like: +72°F
Precip.: 0%
Places in USA:
Name
°F
+61°F
+75°F
+75°F
+93°F
+79°F
+79°F
+79°F
+70°F
+54°F
+73°F
+59°F
+82°F
+81°F
+73°F
+45°F
24 Hours Forecast
Newport Beach
Local time: 16:30
April 06, monday
1800
68°F
E
10 mph
2100
61°F
NE
6 mph
April 07, tuesday
0000
59°F
N
6 mph
0300
57°F
NW
9 mph
0600
59°F
NW
6 mph
0900
61°F
N
9 mph
1200
64°F
NE
6 mph
1500
64°F
NE
7 mph
Units of measurement: °C / °F