Daytime highs, nighttime lows and the warmest cities across Sint Maarten this September.
Sint Maarten, typically experiences warm weather in September, with maximum daytime temperatures around 30°C (86°F) and nighttime temperatures around 27°C (81°F) in Upper Princeʼs Quarter.
Explore the map below to discover average September temperatures at the top destinations in Sint Maarten. For a deeper dive, simply click on any destination dot.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Sint Maarten.
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Pick a city to see its September weather averages.
Upper Princeʼs Quarter averages a daytime high of 30°C (86°F) in September, which is high for Sint Maarten.
Nighttime temperatures in Upper Princeʼs Quarter typically drop to around 27°C (81°F) in September.
Upper Princeʼs Quarter usually sees around 232 hours of sunlight, indicating many sunny days.
The water temperature averages approximately 29°C (84°F) in Sint Maarten this month, which is a bit warm for swimming. For many people, water temperatures around 29°C (84°F) might feel quite warm, especially compared to typical swimming pool temperatures of 25°C (77°F) to 28°C (82°F).
We have much more information about the climate in Sint Maarten.
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