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Cul de Sac weather in September (Saint Martin)

Curious about the September weather in Cul de Sac? Check out this comprehensive weather guide.

In September, Cul de Sac generally has high temperatures and high rainfall. Throughout the daytime, temperatures often hover around 30°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 27°C.

Keep in mind that while these are the average temperatures, there can be days that are even hotter. It's essential to be prepared for such heat. Wearing light, breathable fabrics and protecting yourself from the sun's intensity with hats or shades can make a difference. Hydration is key, so remember to drink plenty of water, especially if you find yourself outdoors for extended periods.

Cul de Sac 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, we can expect around 19 days of rain.

With around 232 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Cul de Sac. January, February, March, April, May, June, July and December typically offer the most agreeable circumstances. On the other hand, September tends to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Cul de Sac climate page with graphs.

 

Cul de Sac, 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 18 km/h *  
SunshineSunshine 232 hours *  
Percentage SunshinePercentage Sunshine 61% *  
* Data from: Sint Maarten, Sint Maarten (10 KM, 6 Miles).

Where to go in Saint Martin in September

Find out more about the weather in Saint Martin in September and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
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).

So, what should you wear in Cul de Sac in September?

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 in September.

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

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Cul de Sac.

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