September weather forecastOravais, Finland
September
Weather in September
Sea temperature
In Oravais, Finland, the average seawater temperature in September is 12.3°C (54.1°F).Note: Taking a dip in 12.3°C (54.1°F) can be perilous. Submersion in temperatures under 10°C (50°F) triggers severe cold shock accompanied by hyperventilation.
Daylight
The average length of the day in September in Oravais is 12h and 59min.On the first day of the month, sunrise is at 06:17 and sunset at 20:43. On the last day of September, in Oravais, sunrise is at 07:37 and sunset at 19:03 EEST.
Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Oravais, Finland, the average seawater temperature in September is 12.3°C (54.1°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.
In September, the average day length in Oravais, Finland, is 12h and 59min.
In September, on the first day of the month, sunrise is at 06:17 and sunset at 20:43. On the last day of the month, in Oravais, Finland, sunrise is at 07:37 and sunset at 19:03 EEST.
Average sea temperature in September
Oravais, Finland
- Average sea temperature in September: 12.3°C
The best month for swimming (with the highest average sea temperature) is August (16.3°C).
The coldest month (with the lowest average sea temperature) is February (-0.3°C).
Average daylight in September
Oravais, Finland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 18min).
The month with the shortest days is December (Average daylight: 4h and 48min).





