World Resorts Curacao Willemstad Weather

Willemstad 7 Days Forecast

05.09
sat
Day
97°F
NW 9 mph
Precip.
9%
Night
79°F
W 4 mph
Precip.
21%
06.09
sun
Day
100°F
NW 8 mph
Precip.
1%
Night
77°F
W 4 mph
Precip.
25%
07.09
mon
Day
99°F
W 11 mph
Precip.
1%
Night
75°F
W 6 mph
Precip.
22%
08.09
tue
Day
97°F
W 14 mph
Precip.
8%
Night
75°F
W 3 mph
Precip.
45%
09.09
wed
Day
93°F
W 11 mph
Precip.
5%
Night
75°F
NW 3 mph
Precip.
37%
10.09
thu
Day
95°F
W 12 mph
Precip.
3%
Night
75°F
W 3 mph
Precip.
26%
11.09
fri
Day
93°F
W 10 mph
Precip.
10%
Night
75°F
NW 1 mph
Precip.
40%

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.

Air temperature in Willemstad, °F

Precipitation total in Willemstad, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Willemstad

Sunniest months:
September 18 days
August 17 days
July 14 days
Warmest months:
September 87.5 °F
August 87.0 °F
October 86.8 °F
Warmest sea temp:
October 84.4 °F
September 84.2 °F
November 83.7 °F
Coldest months:
February 81.6 °F
March 82.0 °F
January 82.2 °F
Rainiest months:
November 9 days
December 7 days
October 7 days
Windiest months:
June 21.4 mph
July 20.5 mph
May 20.3 mph

Willemstad on a weather map

Willemstad
+75°F
NW 2 mph
Feels like: +81°F
Precip.: 43%
Places in Curacao:
Name
°F
+75°F
24 Hours Forecast
Willemstad
Local time: 04:01
September 05, saturday
0600
73°F
NW
2 mph
0900
82°F
NW
7 mph
1200
97°F
NW
9 mph
1500
91°F
N
4 mph
1800
90°F
N
8 mph
2100
82°F
W
6 mph
September 06, sunday
0000
79°F
W
4 mph
0300
75°F
NW
2 mph
Units of measurement: °C / °F