World Resorts USA Sea Isle City Weather

Sea Isle City Sea Temperature in September

Average sea water temperature in September:
+73.2°F
Minimum sea water temperature in September: 78.3°F
Maximum sea water temperature in September: 67.5°F

Daily sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 76.7°F. The highest and lowest sea temperatures during the month were 78.1°F and 73.9°F.

Monthly sea water temperature in Sea Isle City, °F

Which USA resorts have warmest sea in September?

Place name September 2026 September 2025
Key West 88.7°F 86.9°F
Naples 88.0°F 86.1°F
Siesta Key 87.8°F 84.9°F
Sarasota 87.8°F 84.8°F
Houston 87.4°F 84.9°F
Corpus Christi 87.4°F 85.8°F
Tampa 87.2°F 84.3°F
Clearwater Beach 87.1°F 84.0°F
West Palm Beach 86.8°F 86.2°F
New Orleans 86.8°F 84.3°F
Fort Lauderdale 86.7°F 86.4°F
Miami Beach 86.5°F 86.1°F
Panama City Beach 86.4°F 83.4°F
Pensacola Beach 86.3°F 83.9°F
Orange Beach 86.3°F 84.0°F
Pensacola 86.3°F 83.9°F
Fort Walton Beach 86.3°F 83.3°F
Destin 86.2°F 83.1°F
Santa Rosa Beach 86.2°F 83.4°F
Miami 86.0°F 85.8°F

Best time for vacation in Sea Isle City

Sunniest months:
November 18 days
October 15 days
June 15 days
Warmest months:
July 81.1 °F
August 79.0 °F
June 75.2 °F
Warmest sea temp:
July 74.7 °F
August 74.5 °F
September 72.9 °F
Coldest months:
January 39.7 °F
February 41.5 °F
December 44.6 °F
Rainiest months:
July 3 days
October 2 days
April 2 days
Windiest months:
January 11.7 mph
March 11.7 mph
December 11.2 mph

Sea Isle City on a weather map

Sea Isle City
+72°F
NE 9 mph
Feels like: +72°F
Precip.: 7%
Places in USA:
Name
°F
+64°F
+70°F
+79°F
+79°F
+70°F
+82°F
+66°F
+72°F
+70°F
+61°F
+66°F
+75°F
+84°F
+66°F
24 Hours Forecast
Sea Isle City
Local time: 03:53
September 17, thursday
0600
70°F
NE
7 mph
0900
73°F
NE
9 mph
1200
75°F
N
12 mph
1500
75°F
N
13 mph
1800
75°F
N
16 mph
2100
73°F
N
16 mph
September 18, friday
0000
73°F
NE
16 mph
0300
73°F
NE
14 mph
Units of measurement: °C / °F