World Resorts USA South Padre Island Weather

South Padre Island Sea Temperature in September

Average sea water temperature in September:
+85.4°F
Minimum sea water temperature in September: 87.4°F
Maximum sea water temperature in September: 82.4°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 86.0°F. The highest and lowest sea temperatures during the month were 87.4°F and 83.8°F.

Monthly sea water temperature in South Padre Island, °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
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

Best time for vacation in South Padre Island

Sunniest months:
August 17 days
October 15 days
July 14 days
Warmest months:
August 90.6 °F
July 89.6 °F
June 89.1 °F
Warmest sea temp:
September 85.4 °F
August 84.7 °F
July 83.1 °F
Coldest months:
January 67.9 °F
February 68.0 °F
December 71.3 °F
Rainiest months:
May 3 days
July 3 days
September 2 days
Windiest months:
April 14.1 mph
March 13.8 mph
May 13.7 mph

South Padre Island on a weather map

South Padre Island
+72°F
NW 5 mph
Feels like: +77°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+73°F
+73°F
+45°F
+52°F
+64°F
+64°F
+68°F
+36°F
+54°F
+46°F
+59°F
+59°F
+50°F
+25°F
24 Hours Forecast
South Padre Island
Local time: 02:02
December 29, monday
0300
72°F
NW
5 mph
0600
66°F
S
22 mph
0900
66°F
SW
33 mph
1200
64°F
SW
30 mph
1500
63°F
S
26 mph
1800
59°F
S
24 mph
2100
55°F
S
22 mph
December 30, tuesday
0000
55°F
S
20 mph
Units of measurement: °C / °F