World Resorts USA Miami Weather

Miami Sea Temperature in September

Average sea water temperature in September:
+85.5°F
Minimum sea water temperature in September: 88.9°F
Maximum sea water temperature in September: 82.0°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 85.8°F. The highest and lowest sea temperatures during the month were 86.9°F and 84.4°F.

Monthly sea water temperature in Miami, °F

Which USA resorts have warmest sea in September?

Place name September 2025 September 2024
Key West 86.9°F 87.4°F
Islamorada 86.7°F 87.3°F
Key Largo 86.6°F 87.1°F
Fort Lauderdale 86.4°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
South Padre Island 86.0°F 85.8°F
Corpus Christi 85.8°F 84.7°F
Miami 85.8°F 86.0°F
Cape Coral 85.2°F 86.5°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
Mobile 84.0°F 83.5°F
Clearwater Beach 84.0°F 86.2°F
Bay Saint Louis 84.0°F 83.1°F

Best time for vacation in Miami

Sunniest months:
March 12 days
April 12 days
May 11 days
Warmest months:
August 89.5 °F
July 89.3 °F
September 87.7 °F
Warmest sea temp:
August 86.6 °F
July 86.0 °F
September 85.5 °F
Coldest months:
January 73.5 °F
February 76.7 °F
December 77.0 °F
Rainiest months:
July 11 days
June 10 days
August 10 days
Windiest months:
April 11.6 mph
March 11.6 mph
November 11.5 mph

Miami on a weather map

Miami
+68°F
SW 14 mph
Feels like: +68°F
Precip.: 0%
Places in USA:
Name
°F
+25°F
+75°F
+75°F
+46°F
+54°F
+68°F
+72°F
+70°F
+23°F
+54°F
+46°F
+54°F
+52°F
+43°F
+18°F
24 Hours Forecast
Miami
Local time: 09:02
December 16, tuesday
1200
73°F
SW
17 mph
1500
73°F
SW
16 mph
1800
72°F
SW
15 mph
2100
72°F
W
14 mph
December 17, wednesday
0000
70°F
W
15 mph
0300
70°F
W
14 mph
0600
70°F
W
13 mph
0900
72°F
W
10 mph

Best place for vacation:

Units of measurement: °C / °F