World Resorts USA Westerly Weather

Westerly Sea Temperature in September

Average sea water temperature in September:
+68.3°F
Minimum sea water temperature in September: 72.3°F
Maximum sea water temperature in September: 63.7°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 68.2°F. The highest and lowest sea temperatures during the month were 69.8°F and 66.7°F.

Monthly sea water temperature in Westerly, °F

Which USA resorts have warmest sea in September?

Place name September 2025 September 2024
Key West 86.9°F 87.4°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
New Orleans 84.3°F 82.9°F

Best time for vacation in Westerly

Sunniest months:
November 17 days
December 14 days
October 14 days
Warmest months:
July 79.4 °F
August 77.9 °F
June 72.5 °F
Warmest sea temp:
August 70.0 °F
July 68.6 °F
September 68.3 °F
Coldest months:
January 36.2 °F
February 38.0 °F
December 41.1 °F
Rainiest months:
October 4 days
July 3 days
November 3 days
Windiest months:
March 10.9 mph
April 10.5 mph
January 10.5 mph

Westerly on a weather map

Westerly
+10°F
SW 9 mph
Feels like: +0°F
Precip.: 0%
Places in USA:
Name
°F
+19°F
+75°F
+75°F
+59°F
+64°F
+46°F
+52°F
+68°F
+10°F
+57°F
+57°F
+46°F
+45°F
+54°F
+27°F
24 Hours Forecast
Westerly
Local time: 23:01
February 06, friday
0000
10°F
SW
9 mph
0300
9°F
S
7 mph
0600
16°F
S
7 mph
0900
23°F
S
7 mph
1200
28°F
W
5 mph
1500
30°F
NW
2 mph
1800
28°F
NE
1 mph
2100
28°F
E
2 mph
Units of measurement: °C / °F