Weather in Copenhagen: September
 |
Average day temperature: | 63.3°F |
| Average night temperature: | 57.4°F | |
 |
Sea water temperature: | 61.2°F |
 |
Number of sunny days: | 10 days |
| Day length: | 11.6 - 13.8 hours | |
 |
Number of rainy days: | 2 days |
| Precipitation totals: | 1.4 in. | |
| more information | ||
forecast
| Copenhagen |
temperature
| Copenhagen |
Air temperature in September, °F
The highest day temperature during September of 2026 was 68°F. At the same time the lowest night temperature was 52°F. Daily and nightly averages during September were 63.6°F and 56.8°F.
Sea water temperature in Copenhagen in September, °F
The average sea water temperature in September of 2026 was 60.1°F. The highest and lowest sea temperatures during the month were 62.2°F and 56.8°F.
Mostly all days in September are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Copenhagen in September is 1.4 in. Other months of the year show relatively similar values.
The average wind speed value in September is 11.4 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 6.7.
Best time for vacation in Copenhagen
Copenhagen on a weather map
9 mph
8 mph
8 mph
6 mph
1 mph
17 mph
17 mph
16 mph
