World Resorts USA Grand Isle Weather

Grand Isle Sea Temperature in September

Average sea water temperature in September:
+84.6°F
Minimum sea water temperature in September: 88.9°F
Maximum sea water temperature in September: 77.2°F

Daily sea water temperature in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 84.4°F. The highest and lowest sea temperatures during the month were 86.5°F and 81.7°F.

Monthly sea water temperature in Grand Isle, °F

Which USA resorts have warmest sea in September?

Place name September 2024 September 2023
Key West 87.4°F 87.3°F
Naples 87.2°F 86.8°F
Marco Island 87.2°F 86.7°F
Siesta Key 86.8°F 85.8°F
Sarasota 86.7°F 85.8°F
Cape Coral 86.5°F 86.0°F
Fort Lauderdale 86.4°F 86.2°F
West Palm Beach 86.4°F 86.2°F
Miami Beach 86.3°F 86.3°F
Clearwater Beach 86.2°F 85.5°F
St. Petersburg 86.1°F 85.3°F
Miami 86.0°F 86.0°F
Tampa 86.0°F 85.5°F
South Padre Island 85.8°F 86.3°F
Cocoa Beach 85.2°F 84.4°F
Port St. Lucie 84.9°F 84.6°F
Panama City Beach 84.8°F 85.1°F
Santa Rosa Beach 84.8°F 85.3°F
Corpus Christi 84.7°F 87.1°F
Miramar Beach 84.6°F 85.2°F

Best time for vacation in Grand Isle

Sunniest months:
October 15 days
November 13 days
May 13 days
Warmest months:
August 85.9 °F
July 85.3 °F
June 83.7 °F
Warmest sea temp:
August 88.0 °F
July 87.0 °F
June 84.8 °F
Coldest months:
January 59.6 °F
February 61.3 °F
December 63.2 °F
Rainiest months:
July 6 days
August 5 days
June 4 days
Windiest months:
April 13.0 mph
January 12.8 mph
March 12.8 mph

Grand Isle on a weather map

Grand Isle
+75°F
E 11 mph
Feels like: +81°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+43°F
+75°F
+75°F
+50°F
+61°F
+75°F
+70°F
+39°F
+57°F
+55°F
+72°F
+73°F
+70°F
+50°F
24 Hours Forecast
Grand Isle
Local time: 01:17
November 14, thursday
0300
73°F
SE
11 mph
0600
70°F
SE
14 mph
0900
68°F
S
20 mph
1200
70°F
S
16 mph
1500
72°F
S
17 mph
1800
72°F
S
17 mph
2100
70°F
S
17 mph
November 15, friday
0000
66°F
S
17 mph
Units of measurement: °C / °F