Weather in Svatý Bartoloměj in září
Country-wide climate normals across 13 cities in Svatý Bartoloměj.
How Hot Is Svatý Bartoloměj in září?
Svatý Bartoloměj sees consistently hot September weather — average highs of 29°C, average lows of 27°C, with minimal regional differences. Whether you're in Gustavia or one of the coastal cities, conditions feel broadly the same: hot, generally clear, with little night-time relief.
Sunshine in Svatý Bartoloměj in září
Limited sunshine and short daylight define Svatý Bartoloměj's September: Gustavia averages just 1.8h of direct sun, with the sun up between 6:00 am and 6:10 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In Svatý Bartoloměj In září?
Wet conditions dominate Svatý Bartoloměj 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 Svatý Bartoloměj Humid In září?
Heavy oppressive humidity covers Svatý Bartoloměj in September: 76% on average in Gustavia, 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 Svatý Bartoloměj In září
Persistent breeze shapes Svatý Bartoloměj's September: 27 kph in Gustavia, with consistent wind across the country. The conditions are ideal for sailing and other wind sports, but can be disruptive for fine outdoor work.
Cloud Cover In Svatý Bartoloměj In září
Cloudy skies dominate Svatý Bartoloměj 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.