Warm Sea Without Extreme Heat: 8 Beach Destinations With Comfortable Weather
Love warm seawater but not extreme heat? Compare eight beach destinations where the sea stays warm while daytime temperatures remain comfortable.
September in Willemstad brings high temperatures, with daytime highs of 30°C (86°F) and nights around 27°C (81°F). Quite a bit of rainfall is expected, around 83 mm (3.3 in), so pack an umbrella.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June, July, August and December typically offer the best weather for Willemstad.
Pick a month to see the average temperature, rainfall and sunshine in Willemstad - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Willemstad typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 27°C (81°F).
Browse day-by-day weather records for Willemstad spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Willemstad spans 1995 to 2026, revealing these weather extremes.
Find out more about the weather in Curaçao and which places have the best travel conditions in this month. See all of Curaçao in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm but pleasant conditions in Willemstad in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Willemstad climate overview or explore weather in Curaçao.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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