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During September, Jan Thiel experiences high daytime temperatures of 30°C (86°F) and cooler nights around 27°C (81°F). Expect quite a bit of rainfall. Around 82 mm (3.2 in) is typical.
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 Jan Thiel.
Pick a month to see the average temperature, rainfall and sunshine in Jan Thiel - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Jan Thiel 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 Jan Thiel spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
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 weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. 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 Jan Thiel 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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