Weather in Willemstad in September
Willemstad, Curaçao averages a high of 29.7°C (85.5°F) and low of 27°C (80.6°F) in September, with 13 rain days and 11 hours of daily sunshine. Travel score: 72.3/100 (Good). The best time to visit Willemstad is March.
High
30°C85°F
Low
27°C81°F
🌧️
13
rain days
☀️
11
hrs/day sunshine
💧
79%
humidity
72— Good
September in Willemstad is hot and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Willemstad?
How much does it rain in Willemstad in September?
Willemstad receives an average of 60mm of rainfall across 13 rainy days in September. The annual total is 706.9mm.
What should I pack for Willemstad in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
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Light layers and t-shirts
Warm weather around 30°C
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
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Sunglasses
Protect your eyes from bright sun
Traveling to Curaçao in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31