World Resorts USA Newport Beach Weather

Newport Beach Sea Temperature in September

Average sea water temperature in September:
+69.4°F
Minimum sea water temperature in September: 77.0°F
Maximum sea water temperature in September: 63.3°F

Daily sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 73.7°F. The highest and lowest sea temperatures during the month were 77.0°F and 72.1°F.

Monthly sea water temperature in Newport Beach, °F

Which USA resorts have warmest sea in September?

Place name September 2026 September 2025
Key West 87.8°F 86.9°F
Key Largo 87.2°F 86.6°F
Naples 87.0°F 86.1°F
Galveston 87.0°F 85.5°F
Siesta Key 86.9°F 84.9°F
Houston 86.9°F 84.9°F
Corpus Christi 86.8°F 85.8°F
Sarasota 86.8°F 84.8°F
West Palm Beach 86.6°F 86.2°F
Fort Lauderdale 86.6°F 86.4°F
New Orleans 86.4°F 84.3°F
Cape Coral 86.3°F 85.2°F
Orange Beach 86.0°F 84.0°F
Pensacola Beach 85.9°F 83.9°F
Tampa 85.9°F 84.3°F
Clearwater Beach 85.9°F 84.0°F
Bay Saint Louis 85.9°F 84.0°F
Miami Beach 85.8°F 86.1°F
Panama City Beach 85.8°F 83.4°F
Fort Walton Beach 85.7°F 83.3°F

Best time for vacation in Newport Beach

Sunniest months:
July 23 days
August 23 days
September 21 days
Warmest months:
August 79.6 °F
September 78.1 °F
July 77.2 °F
Warmest sea temp:
August 69.9 °F
September 69.4 °F
July 68.1 °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 6.5 mph

Newport Beach on a weather map

Newport Beach
+68°F
NW 4 mph
Feels like: +68°F
Precip.: 18%
Places in USA:
Name
°F
+43°F
+54°F
+73°F
+63°F
+68°F
+79°F
+72°F
+52°F
+68°F
+57°F
+66°F
+72°F
+70°F
+72°F
+59°F
24 Hours Forecast
Newport Beach
Local time: 03:01
October 28, wednesday
0600
68°F
W
5 mph
0900
68°F
NW
6 mph
1200
72°F
N
6 mph
1500
72°F
NE
10 mph
1800
70°F
NE
7 mph
2100
68°F
N
5 mph
October 29, thursday
0000
68°F
N
5 mph
0300
68°F
N
4 mph
Units of measurement: °C / °F