World Resorts USA Miami Beach Weather

Miami Beach Sea Temperature in September

Average sea water temperature in September:
+85.6°F
Minimum sea water temperature in September: 88.9°F
Maximum sea water temperature in September: 82.9°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 86.2°F. The highest and lowest sea temperatures during the month were 87.3°F and 85.1°F.

Monthly sea water temperature in Miami Beach, °F

Which USA resorts have warmest sea in September?

Place name September 2025 September 2024
Key West 86.9°F 87.4°F
Fort Lauderdale 86.4°F 86.4°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
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
Orange Beach 84.0°F 84.1°F
Clearwater Beach 84.0°F 86.2°F
Bay Saint Louis 84.0°F 83.1°F
Pensacola Beach 83.9°F 84.5°F
Pensacola 83.9°F 84.2°F
St. George Island 83.5°F 84.0°F

Best time for vacation in Miami Beach

Sunniest months:
March 14 days
April 14 days
February 12 days
Warmest months:
August 88.5 °F
July 88.0 °F
September 86.8 °F
Warmest sea temp:
August 86.5 °F
July 85.8 °F
September 85.5 °F
Coldest months:
January 72.9 °F
February 75.1 °F
December 76.2 °F
Rainiest months:
July 10 days
August 9 days
June 8 days
Windiest months:
November 13.1 mph
March 12.9 mph
April 12.6 mph

Miami Beach on a weather map

Miami Beach
+86°F
NW 9 mph
Feels like: +93°F
Precip.: 7%
Places in USA:
Name
°F
+68°F
+75°F
+79°F
+91°F
+84°F
+86°F
+72°F
+91°F
+75°F
+72°F
+64°F
+77°F
+88°F
+72°F
24 Hours Forecast
Miami Beach
Local time: 16:56
September 14, monday
1800
86°F
NW
9 mph
2100
86°F
NW
6 mph
September 15, tuesday
0000
84°F
NW
7 mph
0300
84°F
NW
9 mph
0600
84°F
NW
7 mph
0900
84°F
W
9 mph
1200
88°F
W
9 mph
1500
88°F
W
12 mph
Units of measurement: °C / °F