Weather in September
September marks the onset of autumn in Sandgerði, Iceland, with the sea temperature falling to 9.8°C (49.6°F). Daylight undergoes a significant reduction to 13 hours, and the city starts adapting to the changing season. The dwindling daylight and dropping temperatures bring about a notable change in the city's landscape as it starts transitioning into fall.
Note: Danger awaits those who swim in 9.8°C (49.6°F) without protection. Falling below 10°C (50°F) means intense cold shock and hyperventilation.
On the first day of September, sunrise is at 06:15 and sunset at 20:45. On the last day of the month, sunrise is at 07:38 and sunset at 19:02 GMT.
[Resources]Sea temperature
In Sandgerði, in September, the average water temperature is 9.8°C (49.6°F).Note: Danger awaits those who swim in 9.8°C (49.6°F) without protection. Falling below 10°C (50°F) means intense cold shock and hyperventilation.
Daylight
The average length of the day in September in Sandgerði is 13h and 0min.On the first day of September, sunrise is at 06:15 and sunset at 20:45. On the last day of the month, sunrise is at 07:38 and sunset at 19:02 GMT.
Frequently asked questions
What is the water temperature in September in Sandgerði?
In Sandgerði, the average seawater temperature in September is 9.8°C (49.6°F). Swimming in 9.8°C (49.6°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
How many hours of daylight does Sandgerði have in September?
The average day length in September in Sandgerði is 13h and 0min.
When is the sunrise / sunset in September in Sandgerði?
In September, on the first day of the month, sunrise is at 06:15 and sunset at 20:45. On the last day of the month, in Sandgerði, Iceland, sunrise is at 07:38 and sunset at 19:02 GMT.
Average sea temperature in September
Sandgerði, Iceland
- Average sea temperature in September: 9.8°C
The best month for swimming (with the highest average sea temperature) is July (11.4°C).
The coldest month (with the lowest average sea temperature) is March (4.8°C).
Average daylight in September
Sandgerði, Iceland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 4h and 24min).
Sandgerði, Iceland
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