World Resorts USA Atlantic City Weather

Atlantic City Sea Temperature in September

Average sea water temperature in September:
+72.7°F
Minimum sea water temperature in September: 80.1°F
Maximum sea water temperature in September: 66.7°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 71.6°F. The highest and lowest sea temperatures during the month were 73.9°F and 69.1°F.

Monthly sea water temperature in Atlantic City, °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 Atlantic City

Sunniest months:
November 16 days
August 16 days
July 15 days
Warmest months:
July 81.0 °F
August 79.8 °F
September 74.3 °F
Warmest sea temp:
August 75.4 °F
July 75.2 °F
September 72.7 °F
Coldest months:
January 38.9 °F
February 41.3 °F
December 45.6 °F
Rainiest months:
May 4 days
February 4 days
March 4 days
Windiest months:
January 13.4 mph
March 13.1 mph
April 13.0 mph

Atlantic City on a weather map

Atlantic City
+30°F
S 9 mph
Feels like: +23°F
Precip.: 0%
Places in USA:
Name
°F
+21°F
+75°F
+75°F
+73°F
+82°F
+63°F
+68°F
+72°F
+16°F
+77°F
+66°F
+57°F
+57°F
+52°F
+21°F
24 Hours Forecast
Atlantic City
Local time: 20:40
February 04, wednesday
2100
30°F
S
9 mph
February 05, thursday
0000
28°F
S
9 mph
0300
27°F
S
9 mph
0600
23°F
S
12 mph
0900
23°F
S
12 mph
1200
28°F
S
11 mph
1500
34°F
S
11 mph
1800
34°F
S
11 mph
Units of measurement: °C / °F