CuraçaoThe weather in September in Willemstad
It's hot in September in Willemstad with an average temperature of 33°C. Temperatures this month range from a low of 33°C to a high of 34°C. At night, you can expect temperatures between 27°C and 28°C.
September is a good month to be in Willemstad for sunny weather. You’ll have high temperatures and not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Willemstad, Curaçao. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 37°C in 2017, Willemstad reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 29°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 23°C to a highest value of 29°C.
Water temperature
The water temperature at Willemstad is 31°C this month. It’s really warm, perfect for a swim.
Rainfall amount
In September, there is an average of 32 mm of precipitation, spread over 6 days. The wind speed is around 4 Bft, mostly coming from the East.
Daily weather in September for Willemstad
Click on any day in September to get detailed info about the usual weather on that day in Willemstad. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Willemstad | New York | |
|---|---|---|
| Average temperature | 33°C | 27°C |
| Max. temperature | 34°C | 31°C |
| Min. temperature | 27°C | -5°C |
| Total precipitation | 32 mm | 57 mm |
| Rainy days | 6 days | 9 days |
Start of September
The month of September starts in Willemstad with hot temps, averaging around 34°C during the day and nights around 28°C.
Mid September
By mid-September, daytime temps drop to around 33°C, with nights around 28°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of September
By the end of September, the average daytime temperature in Willemstad is around 34°C, while nighttime temps are about 28°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Willemstad for all months and discover the best travel time
Curious about the weather in other parts of Curaçao? Check out the climate and weather for spots like Sint Willibrordus, Barber, Sabana Westpunt, or explore other destinations in Curaçao.
Temperature charts
These charts show the average temperatures in September in Willemstad, Curaçao. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Willemstad
Temperature in September in Willemstad over the years
Precipitation charts
These charts show the average amount of precipitation in September in Willemstad, Curaçao. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Willemstad
Total precipitation in September in Willemstad over the years
Daily UV index in September in Willemstad
This chart shows the average daily UV index in September in Willemstad, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Willemstad
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Average weather in Willemstad by month
Click on a month below to see detailed weather info for Willemstad. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.