Weather in Saint Martin in september
Country-wide climate normals across 13 cities in Saint Martin.
How Hot Is Saint Martin in september?
Uniform heat across Saint Martin's September: averages climb to 28°C nationally with overnight lows of 27°C, narrow spread from coast to interior. The hottest cities like Les Terres Basses register similar readings to the coolest, so plan for consistently hot weather across the country.
Sunshine in Saint Martin in september
Saint Martin 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 In september?
Saint Martin'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 Humid In september?
Saint Martin 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 In september
Breezy conditions cover Saint Martin'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 Saint Martin In september
Saint Martin 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.