Weather in September
September in
Vestmanna signals the onset of autumn, with falling temperatures and shorter daylight hours than
August. Sea temperature falls further to 10.6°C (51.1°F), filtering cool breezes across the island. The changing colors of the landscapes provide a visual treat but anticipate more frequent rains. Islanders brace themselves for the resurgence of cooler temperatures as autumn sets in.
Sea temperature
In Vestmanna, in September, the average water temperature is 10.6°C (51.1°F).
Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.
Daylight
In Vestmanna, the average length of the day in September is 12h and 56min.
On the first day of the month, sunrise is at 06:19 and sunset at 20:37. On the last day of September, in Vestmanna, sunrise is at 07:34 and sunset at 19:02 WEST.
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