Weather in Collectivité territoriale de Saint-Barthélemy in septembre
Country-wide climate normals across 13 cities in Collectivité territoriale de Saint-Barthélemy.
How Hot Is Collectivité territoriale de Saint-Barthélemy in septembre?
Uniform heat across Collectivité territoriale de Saint-Barthélemy's September: averages climb to 29°C nationally with overnight lows of 27°C, narrow spread from coast to interior. The hottest cities like Lurin register similar readings to the coolest, so plan for consistently hot weather across the country.
Sunshine in Collectivité territoriale de Saint-Barthélemy in septembre
Collectivité territoriale de Saint-Barthélemy sees limited sun in September: just 1.8h a day in Gustavia, with heavy cloud cover common across most regions. Daylight runs from 6:00 am to 6:10 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 Collectivité territoriale de Saint-Barthélemy In septembre?
Collectivité territoriale de Saint-Barthélemy's September is wet across most regions: 140mm in Gustavia across 17 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 Collectivité territoriale de Saint-Barthélemy Humid In septembre?
Collectivité territoriale de Saint-Barthélemy is enveloped in tropical-thick humidity through September: Gustavia 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 Collectivité territoriale de Saint-Barthélemy In septembre
Breezy conditions cover Collectivité territoriale de Saint-Barthélemy's September: Gustavia 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 Collectivité territoriale de Saint-Barthélemy In septembre
Collectivité territoriale de Saint-Barthélemy sees mostly cloudy weather through September: Gustavia averages 73% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.