Weather in Svätý Bartolomej in september
Country-wide climate normals across 13 cities in Svätý Bartolomej.
How Hot Is Svätý Bartolomej in september?
Uniform heat across Svätý Bartolomej's September: averages climb to 29°C nationally with overnight lows of 27°C, narrow spread from coast to interior. The hottest cities like Petit Cul-de-Sac register similar readings to the coolest, so plan for consistently hot weather across the country.
Sunshine in Svätý Bartolomej in september
Svätý Bartolomej 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 Svätý Bartolomej In september?
Wet conditions dominate Svätý Bartolomej in September — Gustavia sees 140mm of rain across 17 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 Svätý Bartolomej Humid In september?
Svätý Bartolomej 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 Svätý Bartolomej In september
Breezy conditions cover Svätý Bartolomej'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 Svätý Bartolomej In september
Cloudy skies dominate Svätý Bartolomej in September — 73% cover in Gustavia, 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.