Weather in September
Sea temperature
In September, the average sea temperature in Roan, Norway, is 12.9°C (55.2°F).Note: Swimming in 12.9°C (55.2°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
In Roan, Norway, the average length of the day in September is 13h and 1min.On the first day of the month, sunrise is at 06:03 and sunset at 20:34. On the last day of September, sunrise is at 07:26 and sunset at 18:51 CEST.
Frequently asked questions
What is the water temperature in September in Roan?
In September, the average sea temperature is 12.9°C (55.2°F). Swimming in 12.9°C (55.2°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
What is the average length of the day in September in Roan?
In Roan, the average day length in September is 13h and 1min.
When is the sunrise / sunset in September in Roan?
On the first day of September in Roan, sunrise is at 06:03 and sunset at 20:34. On the last day of the month, sunrise is at 07:26 and sunset at 18:51 CEST.
Average sea temperature in September
Roan, Norway
- Average sea temperature in September: 12.9°C
The best month for swimming (with the highest average sea temperature) is August (13.9°C).
The coldest month (with the lowest average sea temperature) is March (5.6°C).
Average daylight in September
Roan, Norway
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 4h and 24min).
Roan, Norway
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