Weather in Saint-Martin (Antilles françaises) in septembre
Country-wide climate normals across 13 cities in Saint-Martin (Antilles françaises).
How Hot Is Saint-Martin (Antilles françaises) in septembre?
Saint-Martin (Antilles françaises) bakes evenly in September — highs around 28°C are typical from Cul-de-Sac all the way to Les Terres Basses, with very little regional variation. Lows sit around 27°C even overnight, and the country's small geographic footprint means there are no significant climate pockets. Expect uniform heat day and night.
Sunshine in Saint-Martin (Antilles françaises) in septembre
Saint-Martin (Antilles françaises) sees limited sun in September: just 1.8h a day in Marigot, with heavy cloud cover common across most regions. Daylight runs from 6:00 am to 6:15 pm, but persistent grey skies and overcast stretches mean direct sunlight is genuinely scarce. Many days pass without any prolonged sunny spells.
Does It Rain In Saint-Martin (Antilles françaises) In septembre?
Saint-Martin (Antilles françaises)'s September is wet across most regions: 142mm in Marigot across 16 days, with rain falling on most days of the month. Coastal and highland regions can see significantly more, while interior regions may stay slightly drier. Sunny stretches are brief and uncommon.
Is Saint-Martin (Antilles françaises) Humid In septembre?
Saint-Martin (Antilles françaises) is enveloped in tropical-thick humidity through September: Marigot averages 76%, and most of the country tracks similarly. The constant moisture makes warm temperatures feel substantially hotter, and even nights bring limited cooling. Light cotton clothing is essential.
Wind In Saint-Martin (Antilles françaises) In septembre
Saint-Martin (Antilles françaises) sees consistent breezes in September — averaging 27 kph in Marigot, with similar windy conditions across most regions. Coastal and exposed inland cities often see considerably more, especially in the afternoons. Wind-sensitive plans should factor this in.
Cloud Cover In Saint-Martin (Antilles françaises) In septembre
Cloudy skies dominate Saint-Martin (Antilles françaises) in September — 73% cover in Marigot, with similar overcast conditions in most regions. Direct sun is patchy and broken; expect grey stretches between brief bright moments. Coastal areas may be heavier than inland.