September weather forecast
Santa Rosa, Curaçao

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Weather in September

September weather in Santa Rosa, Curaçao, bears the same warm temperatures as August, yet an increased amount of rainfall reaching up to 64mm (2.52"). Even though rainfall is higher, September shows fewer rainfall days compared to August, suggesting heavier but less frequent showers. Temperature variations during the day are negligible, while the wind, pressure, visibility, and UV index remain pretty uniform across the month. As the year progresses, climatic conditions persist with no striking transitions except for a slight reduction in the daylight duration.

Temperature

Santa Rosa's temperature peaks during September and October, with an average high-temperature of 28.9°C (84°F).

Heat index

The heat index value for September is computed to be a hot 34°C (93.2°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

The average relative humidity in September in Santa Rosa is 79%.

Rainfall

In Santa Rosa, in September, it is raining for 18.5 days, with typically 64mm (2.52") of accumulated precipitation. In Santa Rosa, during the entire year, the rain falls for 220.5 days and collects up to 653mm (25.71") of precipitation.

Daylight

In September, the average length of the day in Santa Rosa is 12h and 11min.
On the first day of the month, sunrise is at 06:24 and sunset at 18:45. On the last day of September, in Santa Rosa, sunrise is at 06:24 and sunset at 18:25 AST.

Sunshine

August and September, with an average of 9.5h of sunshine, are months with the most sunshine in Santa Rosa.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Santa Rosa, Curaçao. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 7 during September leads to these instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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Frequently asked questions

What is the warmest month in Santa Rosa?

The months of September and October are noted for their peak temperatures in Santa Rosa, with an average high-temperature of 28.9°C (84°F).

How hot is it in Santa Rosa in September?

During September, Santa Rosa experiences an average high-temperature of 28.9°C (84°F) and a low-temperature of 28.3°C (82.9°F). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 34°C (93.2°F).

What is the average humidity in September in Santa Rosa?

In Santa Rosa, the average relative humidity in September is 79%.

How much does it rain in Santa Rosa in September?

In Santa Rosa, during September, the rain falls for 18.5 days and regularly aggregates up to 64mm (2.52") of precipitation.

What is the average length of the day in September in Santa Rosa?

In Santa Rosa, Curaçao, the average day length in September is 12h and 11min.

When is the sunrise / sunset in September in Santa Rosa?

In September, on the first day of the month, sunrise is at 06:24 and sunset at 18:45. On the last day of the month, in Santa Rosa, sunrise is at 06:24 and sunset at 18:25 AST.

What is the month with the most sunshine in Santa Rosa?

August and September, with an average of 9.5h of sunshine, are months with the most sunshine in Santa Rosa.

How long on average sun shines in September in Santa Rosa?

In Santa Rosa, the average sunshine duration in September is 9.5h.

What are the months with the highest UV index in Santa Rosa?

The months with the highest UV index in Santa Rosa, Curaçao, are January through December, with an average maximum UV index of 7.

What is the month with the lowest UV index in Santa Rosa?

The months with the lowest UV index are January through December, with an average maximum UV index of 7.

What is the UV index intensity in September in Santa Rosa?

The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.

Average temperature in September
Santa Rosa, Curaçao

Average temperature in September - Santa Rosa, Curaçao
  • Average high temperature in September: 28.9°C

The warmest months (with the highest average high temperature) are September and October (28.9°C).
The month with the lowest average high temperature is February (26.4°C).

  • Average low temperature in September: 28.3°C

The month with the highest average low temperature is September (28.3°C).
The coldest month (with the lowest average low temperature) is February (25.9°C).

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Average pressure in September
Santa Rosa, Curaçao

Average pressure in September - Santa Rosa, Curaçao
  • Average pressure in September: 1010.7mbar

The month with the highest atmospheric pressure is January (1013.1mbar).
The months with the lowest atmospheric pressure are October and November (1010.1mbar).

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Average wind speed in September
Santa Rosa, Curaçao

Average wind speed in September - Santa Rosa, Curaçao
  • Average wind speed in September: 26.8km/h

The windiest month (with the highest average wind speed) is June (34.1km/h).
The calmest month (with the lowest average wind speed) is November (24.6km/h).

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Average humidity in September
Santa Rosa, Curaçao

Average humidity in September - Santa Rosa, Curaçao
  • Average humidity in September: 79%

The month with the highest relative humidity is May (83%).
The months with the lowest relative humidity are October, November and December (78%).

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Average rainfall in September
Santa Rosa, Curaçao

Average rainfall in September - Santa Rosa, Curaçao
  • Average rainfall in September: 64mm

The wettest month (with the highest rainfall) is November (129mm).
The driest month (with the least rainfall) is February (25mm).

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Average rainfall days in September
Santa Rosa, Curaçao

Average rainfall days in September - Santa Rosa, Curaçao
  • Average rainfall days in September: 18.5 days

The month with the highest number of rainy days is November (24.7 days).
The month with the least rainy days is April (13.9 days).

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Average daylight in September /
Average sunshine in September
Santa Rosa, Curaçao

Average daylight in September / Average sunshine in September - Santa Rosa, Curaçao
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in September: 9h and 3min

The months with the most sunshine are August and September (Average sunshine: 9h and 30min).
The months with the least sunshine are March, April and December (Average sunshine: 8h and 30min).

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Average sunshine days in September
Santa Rosa, Curaçao

Average sunshine days in September - Santa Rosa, Curaçao
  • Average sunshine days in September: 9 days

The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is November (3.7 days).

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Average UV index in September
Santa Rosa, Curaçao

Average UV index in September - Santa Rosa, Curaçao
  • Average UV index in September: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

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Average cloud cover in September
Santa Rosa, Curaçao

Average cloud cover in September - Santa Rosa, Curaçao
  • Average cloud cover in September: 24

The months with the most cloud cover are March and April (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 24).

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Average visibility in September
Santa Rosa, Curaçao

Average visibility in September - Santa Rosa, Curaçao
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Santa Rosa, Curaçao

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