Sint Maarten Weather in September

Sint Maarten in September sees pleasant temperatures, with highs around 19°C (66°F) and overnight lows of 14°C (57°F). Rainfall is fairly high at around 96 mm (3.8 in) on average, so pack waterproofs just in case.

Rainfall in Sint Maarten in September

Historically, September sees about 16 days of rain, with a monthly average of 96 mm (3.8 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Sint Maarten in September

In September, Sint Maarten gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 14°C (57°F). September is in the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Sint Maarten in September

The month brings about 141 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in Sint Maarten in September

September sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.

Average water temperature in September

At 16°C (61°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

If you prefer dry days with pleasant temperatures, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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

Sint Maarten Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 19°C (66°F)  

Water Temperature 16°C (61°F) *  

Chance of Rain 53%  

Precipitation 96 mm (3.8 in)  

Rainy days 16 days  

Humidity 81% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 141 hours *  

Percentage Sunshine 37% *  

* Data from: De Kooy, the Netherlands (16 KM, 10 Miles).

What to Wear in Sint Maarten in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. The water temperature sits at about 16°C (61°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Sint Maarten in September

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

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

More climate data for Sint Maarten

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Sint Maarten climate overview or explore weather in the Netherlands.