Weather in جيرسي in سبتمبر
Country-wide climate normals across 11 cities in جيرسي.
How Hot Is جيرسي in سبتمبر?
جيرسي's small geographic footprint means September is uniformly mild — typical 18°C highs nationwide.
Sunshine in جيرسي in سبتمبر
Sun and cloud trade off across جيرسي in September: Saint Helier averages 3.3h of direct sun a day, with daylight from 6:45 am to 7:20 pm. Conditions vary day to day, with bright spells interrupted by cloudy stretches. Most regions of the country see a similar mixed pattern, though some areas may lean drier or wetter than the national average.
Does It Rain In جيرسي In سبتمبر?
Moderate rainfall defines جيرسي's September: Saint Helier averages 82mm across 12 days. Some regions see meaningfully wetter weather, especially coastal or mountain-facing areas, while continental interiors tend toward the drier end of the spectrum.
Is جيرسي Humid In سبتمبر?
جيرسي is enveloped in tropical-thick humidity through September: Saint Helier averages 77%, 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 جيرسي In سبتمبر
جيرسي sees consistent breezes in September — averaging 30 kph in Saint Helier, with similar windy conditions across most regions. Coastal and exposed inland cities often see considerably more, especially in the afternoons. Wind-sensitive plans should factor this in.
Cloud Cover In جيرسي In سبتمبر
جيرسي sees mostly cloudy weather through September: Saint Helier averages 64% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.