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Simpson Bay weather in September (Sint Maarten)

How's the weather trend in Simpson Bay as September approaches? Find out what kind of weather to expect during this month.

Temperatures

During September, Simpson Bay usually has high temperatures and high rainfall. During the daylight hours, temperatures often reach 30°C. After dark they usually decrease to around 27°C. Remember, these are typical temperatures, and there can be hotter days. Dress appropriately and stay hydrated to remain comfortable.

Precipitation

Simpson Bay in September usually receives high rainfall, averaging around 134 mm for the month. When we look at the climate data from the last 30 years, you can expect around 19 days of rain.

Average sunshine

Expect sunny days throughout the month, with an estimated 232 hours of sunshine. Making it a pleasant time to visit Simpson Bay.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Simpson Bay. January, February, March, April, May, June, July and December typically offer the most optimal weather. In contrast, September tends to have less optimal conditions.

Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Sint Maarten, check out our Simpson Bay's climate page.

Simpson Bay, monthly averages in September

Min TemperatureMin Temperature 27°C  
Max TemperatureMax Temperature 30°C  
Water TemperatureWater Temperature 29°C *  
Chance of RainChance of Rain 62%  
PrecipitationPrecipitation 134 mm  
Rainy daysRainy days 19 days  
HumidityHumidity 78% *  
WindspeedWindspeed 5 m/s *  
SunshineSunshine 232 hours *  
Percentage SunshinePercentage Sunshine 61% *  
Data from: Sint Maarten, Sint Maarten (3 KM, 2 Miles).

Where to go in Sint Maarten in September

Find out more about the weather in Sint Maarten and which places have the best travel conditions in this month.

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In September generally
tolerable weather
with high temperatures
and high monthly rainfall

More information

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Sint Maarten, check out our Simpson Bay's climate page.

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 29°C this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
9/10
Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Simpson Bay.

Our site offers climate and forecast data for every country in the world. Are you going to Sint Maarten? On this website you can find historical weather averages for many cities in Sint Maarten. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.