World Resorts USA Jamestown Weather

Jamestown Sea Temperature in September

Average sea water temperature in September:
+69.7°F
Minimum sea water temperature in September: 77.5°F
Maximum sea water temperature in September: 64.2°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 68.7°F. The highest and lowest sea temperatures during the month were 70.0°F and 67.6°F.

Monthly sea water temperature in Jamestown, °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 Jamestown

Sunniest months:
November 17 days
October 14 days
September 14 days
Warmest months:
July 79.1 °F
August 77.9 °F
June 73.0 °F
Warmest sea temp:
August 73.0 °F
July 72.4 °F
September 69.7 °F
Coldest months:
January 36.8 °F
February 37.9 °F
December 41.0 °F
Rainiest months:
March 3 days
October 3 days
January 3 days
Windiest months:
December 10.0 mph
January 9.8 mph
March 9.7 mph

Jamestown on a weather map

Jamestown
+19°F
S 5 mph
Feels like: +12°F
Precip.: 0%
Places in USA:
Name
°F
+36°F
+75°F
+75°F
+59°F
+59°F
+70°F
+75°F
+70°F
+28°F
+57°F
+52°F
+66°F
+66°F
+70°F
+41°F
24 Hours Forecast
Jamestown
Local time: 20:39
December 27, saturday
2100
19°F
S
5 mph
December 28, sunday
0000
19°F
E
5 mph
0300
19°F
SE
6 mph
0600
18°F
SE
6 mph
0900
25°F
E
6 mph
1200
32°F
E
7 mph
1500
37°F
NE
11 mph
1800
37°F
NE
11 mph
Units of measurement: °C / °F