Weather in サン・マルタン in 9月
Country-wide climate normals across 13 cities in サン・マルタン.
How Hot Is サン・マルタン in 9月?
サン・マルタン 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 サン・マルタン in 9月
Limited sunshine and short daylight define サン・マルタン's September: Marigot averages just 1.8h of direct sun, with the sun up between 6:00 am and 6:15 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In サン・マルタン In 9月?
Wet conditions dominate サン・マルタン in September — Marigot sees 142mm of rain across 16 days, with rain a near-daily feature in most regions. Some areas see considerably more, particularly mountain-facing or windward coasts. Plan around frequent showers and pack reliable rainwear.
Is サン・マルタン Humid In 9月?
Heavy oppressive humidity covers サン・マルタン in September: 76% on average in Marigot, and similar saturating conditions exist nationwide. The air feels thick and heavy from sunrise to sundown, with little overnight respite. Coastal and tropical regions feel especially stifling.
Wind In サン・マルタン In 9月
Breezy conditions cover サン・マルタン's September: Marigot sits at 27 kph on average, with the country as a whole feeling windy through the day. Afternoon winds pick up across most cities, and coastal regions often run significantly higher.
Cloud Cover In サン・マルタン In 9月
サン・マルタン sees mostly cloudy weather through September: Marigot averages 73% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.