Weather in September
Au revoir to summer, welcome fall. September in Þorlákshöfn is marked by further drops in sea temperatures, reaching 9.9°C (49.8°F). Light diminishes, yet days are not extremely short, giving a dazzling display of autumn colors throughout the country. Trails through foliage-covered landscapes and along tranquil lakes become a painter's dream. This month also marks the onset of the epic Aurora Borealis season, adding another layer of magic to the fall landscape.
Note: It is life-risking to swim in 9.9°C (49.8°F). Briefly staying in 13°C (55.4°F) waters feels unsettling, and temperatures below 10°C (50°F) might result in cold shock and loss of breath control, hinging on personal endurance.
On the first day of September, sunrise is at 06:10 and sunset at 20:39. On the last day of the month, sunrise is at 07:33 and sunset at 18:57 GMT.
[Resources]Sea temperature
In Þorlákshöfn, Iceland, in September, the average water temperature is 9.9°C (49.8°F).Note: It is life-risking to swim in 9.9°C (49.8°F). Briefly staying in 13°C (55.4°F) waters feels unsettling, and temperatures below 10°C (50°F) might result in cold shock and loss of breath control, hinging on personal endurance.
Daylight
In Þorlákshöfn, the average length of the day in September is 13h and 0min.On the first day of September, sunrise is at 06:10 and sunset at 20:39. On the last day of the month, sunrise is at 07:33 and sunset at 18:57 GMT.
Frequently asked questions
What is the sea water temperature in September in Þorlákshöfn?
In Þorlákshöfn, Iceland, the average seawater temperature in September is 9.9°C (49.8°F). 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.
What is the average length of the day in September in Þorlákshöfn?
In Þorlákshöfn, Iceland, the average day length in September is 13h and 0min.
When is the sunrise / sunset in September in Þorlákshöfn?
In September, on the first day of the month, sunrise is at 06:10 and sunset at 20:39. On the last day of the month, in Þorlákshöfn, Iceland, sunrise is at 07:33 and sunset at 18:57 GMT.
Average sea temperature in September
Þorlákshöfn, Iceland
- Average sea temperature in September: 9.9°C
The best month for swimming (with the highest average sea temperature) is July (11.8°C).
The coldest month (with the lowest average sea temperature) is March (5.7°C).
Average daylight in September
Þorlákshöfn, Iceland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 36min).
The month with the shortest days is December (Average daylight: 4h and 30min).
Þorlákshöfn, Iceland
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