World Resorts Curacao Willemstad Weather

Willemstad Sea Temperature in September

Average sea water temperature in September:
+84.2°F
Minimum sea water temperature in September: 86.5°F
Maximum sea water temperature in September: 81.9°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 84.6°F. The highest and lowest sea temperatures during the month were 85.6°F and 83.7°F.

Monthly sea water temperature in Willemstad, °F

Which Curacao resorts have warmest sea in September?

Place name September 2025 September 2024
Willemstad 84.6°F 85.4°F

Best time for vacation in Willemstad

Sunniest months:
August 18 days
September 18 days
July 15 days
Warmest months:
September 87.5 °F
October 86.8 °F
August 86.7 °F
Warmest sea temp:
October 84.4 °F
September 84.2 °F
November 83.7 °F
Coldest months:
February 81.4 °F
March 81.9 °F
January 82.0 °F
Rainiest months:
November 9 days
December 7 days
October 7 days
Windiest months:
June 22.1 mph
July 21.0 mph
May 20.8 mph

Willemstad on a weather map

Current weather
02:53
Willemstad
+72°F
NW 6 mph
Feels like: +77°F
Precip.: 83%
Places in Curacao:
Name
°F
Willemstad
+72°F
24 Hours Forecast
Willemstad
Local time: 02:53
January 05, monday
0300
72°F
NW
6 mph
0600
73°F
NW
6 mph
0900
79°F
NW
6 mph
1200
88°F
W
11 mph
1500
86°F
W
12 mph
1800
82°F
W
11 mph
2100
77°F
W
7 mph
January 06, tuesday
0000
73°F
W
6 mph
Units of measurement: °C / °F