World Resorts USA Wilmington Weather

Wilmington Sea Temperature in September

Average sea water temperature in September:
+74.2°F
Minimum sea water temperature in September: 81.3°F
Maximum sea water temperature in September: 68.9°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 73.4°F. The highest and lowest sea temperatures during the month were 75.6°F and 71.2°F.

Monthly sea water temperature in Wilmington, °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
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 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
St. Petersburg 84.1°F 86.1°F
Orange Beach 84.0°F 84.1°F

Best time for vacation in Wilmington

Sunniest months:
October 16 days
November 16 days
September 15 days
Warmest months:
July 85.5 °F
August 82.3 °F
June 79.8 °F
Warmest sea temp:
July 80.3 °F
August 79.6 °F
September 74.2 °F
Coldest months:
January 38.2 °F
February 41.0 °F
December 42.5 °F
Rainiest months:
July 4 days
August 4 days
June 3 days
Windiest months:
March 9.1 mph
April 8.8 mph
January 8.4 mph

Wilmington on a weather map

Wilmington
+41°F
S 4 mph
Feels like: +39°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+73°F
+73°F
+82°F
+79°F
+70°F
+72°F
+68°F
+30°F
+75°F
+66°F
+64°F
+66°F
+75°F
+39°F
24 Hours Forecast
Wilmington
Local time: 19:43
February 26, thursday
2100
41°F
S
4 mph
February 27, friday
0000
37°F
SE
2 mph
0300
32°F
S
1 mph
0600
27°F
S
1 mph
0900
27°F
NW
2 mph
1200
36°F
N
4 mph
1500
41°F
NE
6 mph
1800
39°F
N
6 mph
Units of measurement: °C / °F