September weather forecastChristiansø, Denmark

September

Weather in September

Sea temperature

In Christiansø, Denmark, in September, the average water temperature is 16.4°C (61.5°F).
Note: Swimming is not an enjoyable activity for the majority when the water is at 16.4°C (61.5°F). The difficulty of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In September, the average length of the day in Christiansø is 12h and 44min.
On the first day of September, sunrise is at 06:06 and sunset at 19:52. On the last day of the month, sunrise is at 07:00 and sunset at 18:37 CEST.

Frequently asked questions

In September, the average sea temperature in Christiansø, Denmark, is 16.4°C (61.5°F). For swimming, a surface water temperature of 16.4°C (61.5°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

In Christiansø, the average day length in September is 12h and 44min.

In September, on the first day of the month, sunrise is at 06:06 and sunset at 19:52. On the last day of the month, sunrise is at 07:00 and sunset at 18:37 CEST.

Average sea temperature in September
Christiansø, Denmark

  • Average sea temperature in September: 16.4°C

The best month for swimming (with the highest average sea temperature) is August (17.9°C).
The coldest month (with the lowest average sea temperature) is March (2.4°C).

Average daylight in September
Christiansø, Denmark

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 12min).