Weather in 米領ヴァージン諸島 in 9月
Country-wide climate normals across 10 cities in 米領ヴァージン諸島.
How Hot Is 米領ヴァージン諸島 in 9月?
米領ヴァージン諸島 bakes evenly in September — highs around 29°C are typical from Adrian all the way to Upper Bethlehem, with very little regional variation. Lows sit around 28°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 米領ヴァージン諸島 in 9月
米領ヴァージン諸島 sees limited sun in September: just 1.6h a day in Saint Croix, with heavy cloud cover common across most regions. Daylight runs from 6:05 am to 6:20 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 米領ヴァージン諸島 In 9月?
Wet conditions dominate 米領ヴァージン諸島 in September — Saint Croix sees 163mm 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 米領ヴァージン諸島 Humid In 9月?
Saturated air defines 米領ヴァージン諸島's September: humidity at 77% in Saint Croix, with the country as a whole feeling muggy and oppressive. The air practically drips after rain, and even shaded outdoor areas feel warm and clammy. Plan indoor time during the most humid afternoon hours.
Wind In 米領ヴァージン諸島 In 9月
Breezy conditions cover 米領ヴァージン諸島's September: Saint Croix sits at 25 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 米領ヴァージン諸島 In 9月
Cloudy skies dominate 米領ヴァージン諸島 in September — 74% cover in Saint Croix, 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.