Väder i Island i september
Klimatinormaler för hela landet över 15 städer i Island.
How Hot Is Island in september?
Cool, consistent weather everywhere: Island averages 10°C in September, with Reykjavík representative.
Sunshine in Island in september
Dark, overcast days dominate Island in September — Reykjavík sees just 2.0h of sun a day, and the pattern is similar across most regions. Cloud cover is heavy and persistent, with even the brighter regions struggling to escape the gloom for long.
Does It Rain In Island In september?
Island's September is wet across most regions: 151mm in Reykjavík across 18 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 Island Humid In september?
Saturated air defines Island's September: humidity at 80% in Reykjavík, 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 Island In september
Island sees consistent breezes in September — averaging 25 kph in Reykjavík, 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 Island In september
Island sees mostly cloudy weather through September: Reykjavík averages 73% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.