September weather forecast
Saint Martin

September in Saint Martin sees the continuation of the wet season, characterized by high temperatures and significant rainfall. However, the island's compact geography ensures consistent weather conditions across its regions.

During September, average temperatures maintain their summer levels, fluctuating between a minimum of 26°C (78.8°F) at night and reaching up to 32°C (89.6°F) during daytime. The blend of this warmth and the high humidity levels characteristic of the wet season presents a truly tropical climate.

Rainfall in September escalates, with average precipitation nearing 140mm (5.51"). The tropical downpours, while more intense and frequent, are usually punctuated by periods of sunshine, giving brief respite from the rain.

Crucially, September falls within the peak of the Atlantic hurricane season, and the likelihood of hurricanes or severe tropical storms is increased compared to the preceding months. Therefore, staying informed via local weather updates is important for both residents and visitors during this period.

Looking ahead to October, the conditions of the wet season continue, with consistently high temperatures and considerable rainfall. As the hurricane season progresses, the risk of severe weather conditions remains. However, the island's tropical allure persists, and with careful planning, Saint Martin continues to offer unique experiences.

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• Marigot - September »
  September traditionally brings cooler weather to Marigot but still offers a warm climate with high temperature readings of 28.8°C (83.8°F). In Marigot in September, during 21.7 rainfall days, 99mm (3.9") of precipitation is typically accumulated.
• Cul-de-Sac - September »
  On the first day of September in Cul-de-Sac sunrise is at 05:57 and sunset at 18:26. In Cul-de-Sac, Saint Martin, in September, it is raining for 21.7 days, with typically 99mm (3.9") of accumulated precipitation.