World Resorts USA Port Aransas Weather

Port Aransas Sea Temperature in September

Average sea water temperature in September:
+85.3°F
Minimum sea water temperature in September: 87.6°F
Maximum sea water temperature in September: 80.2°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 85.7°F. The highest and lowest sea temperatures during the month were 87.6°F and 84.2°F.

Monthly sea water temperature in Port Aransas, °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
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

Best time for vacation in Port Aransas

Sunniest months:
October 17 days
August 16 days
July 14 days
Warmest months:
August 87.9 °F
July 86.8 °F
June 86.0 °F
Warmest sea temp:
August 86.4 °F
September 85.3 °F
July 84.9 °F
Coldest months:
January 61.9 °F
February 62.0 °F
December 66.6 °F
Rainiest months:
July 3 days
May 2 days
September 2 days
Windiest months:
April 14.3 mph
May 14.1 mph
June 13.6 mph

Port Aransas on a weather map

Port Aransas
+70°F
NW 11 mph
Feels like: +70°F
Precip.: 0%
Places in USA:
Name
°F
+50°F
+75°F
+75°F
+64°F
+59°F
+77°F
+79°F
+70°F
+37°F
+63°F
+57°F
+79°F
+77°F
+75°F
+41°F
24 Hours Forecast
Port Aransas
Local time: 18:14
December 23, tuesday
2100
68°F
NW
9 mph
December 24, wednesday
0000
68°F
W
8 mph
0300
66°F
NW
8 mph
0600
66°F
NW
7 mph
0900
66°F
NW
7 mph
1200
68°F
NW
9 mph
1500
68°F
NW
10 mph
1800
68°F
NW
11 mph
Units of measurement: °C / °F