World Resorts USA Jacksonville Weather

Jacksonville Sea Temperature in September

Average sea water temperature in September:
+82.5°F
Minimum sea water temperature in September: 85.6°F
Maximum sea water temperature in September: 78.1°F

Daily sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 82.9°F. The highest and lowest sea temperatures during the month were 84.7°F and 80.1°F.

Monthly sea water temperature in Jacksonville, °F

Which USA resorts have warmest sea in September?

Place name September 2026 September 2025
Key West 87.8°F 86.9°F
Naples 87.0°F 86.1°F
Galveston 87.0°F 85.5°F
Siesta Key 86.9°F 84.9°F
Houston 86.9°F 84.9°F
Corpus Christi 86.8°F 85.8°F
Sarasota 86.8°F 84.8°F
West Palm Beach 86.6°F 86.2°F
Fort Lauderdale 86.6°F 86.4°F
New Orleans 86.4°F 84.3°F
Gulf Shores 86.1°F 84.3°F
St. Petersburg 86.1°F 84.1°F
Orange Beach 86.0°F 84.0°F
Pensacola Beach 85.9°F 83.9°F
Tampa 85.9°F 84.3°F
Clearwater Beach 85.9°F 84.0°F
Miami Beach 85.8°F 86.1°F
Panama City Beach 85.8°F 83.4°F
Pensacola 85.7°F 83.9°F
Destin 85.6°F 83.1°F

Best time for vacation in Jacksonville

Sunniest months:
May 16 days
April 16 days
March 15 days
Warmest months:
July 91.8 °F
August 90.9 °F
June 89.4 °F
Warmest sea temp:
August 82.8 °F
September 82.5 °F
July 82.4 °F
Coldest months:
January 62.0 °F
December 66.8 °F
February 67.2 °F
Rainiest months:
August 9 days
July 8 days
June 7 days
Windiest months:
April 8.1 mph
March 7.8 mph
October 7.7 mph

Jacksonville on a weather map

Jacksonville
+48°F
SE 8 mph
Feels like: +45°F
Precip.: 4%
Places in USA:
Name
°F
+34°F
+37°F
+70°F
+61°F
+61°F
+64°F
+63°F
+39°F
+63°F
+55°F
+61°F
+59°F
+55°F
+63°F
+37°F
24 Hours Forecast
Jacksonville
Local time: 01:55
November 14, saturday
0300
48°F
SE
8 mph
0600
45°F
SE
8 mph
0900
50°F
S
8 mph
1200
57°F
S
6 mph
1500
61°F
S
5 mph
1800
55°F
S
4 mph
2100
52°F
S
5 mph
November 15, sunday
0000
50°F
S
6 mph
Units of measurement: °C / °F