Denmark weather in September 2025
Denmark weather in September 2025
Day
17 °C
Night
11 °C
Sea
15 °C
Precipitation
67 mm
in month
Rainy days
11 days
in month
Daylight
13 hours
average
Sunshine
5 hours
average
Humidity
83 %
Day
17 °C
Night
11 °C
Sea
15 °C
Precipitation
67 mm
in month
Rainy days
11 days
in month
Daylight
13 hours
average
Sunshine
5 hours
average
Humidity
83 %
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Weather overview and FAQs
Weather overview
In Denmark in September, the average air temperature ranges from 17 °C (62 °F) during the day to 11 °C (51 °F) at night. There are 11 days of rain on average, where the rainfall is 67 mm (2.63 in).
Is September a good month to visit Denmark?
In September there are not good conditions to visit Denmark. A relatively low temperature of 17 °C (62 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The temperature of 11 °C (51 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
What temperature can I expect during the day in Denmark in September?
In Denmark in September, the average daily temperatures will be 17 °C (62 °F). Nice temperature for walking around the city or on the beach, but you will probably get cold soon when wearing a swimsuit. When walking around all day, people used to cold conditions, pull out their shorts and get rid of their sweaters. On some days, when spending time in the direct sun, sunscreen can be useful, especially for people with more sensitive skin.
What is the rainfall intensity in Denmark in September?
There is precipitation of 67 mm (2.63 in) in Denmark in September, which means 2 mm (0.09 in) rainfall per day on average.
What is the sea temperature in Denmark in September?
The temperature of the sea in Denmark in September is 15 °C (59 °F). This is a sea temperature for resilient people only, most people won't enjoy swimming in such cold water or will have to use a wetsuit for water activities.
How many days of precipitation on average can I expect in September in Denmark?
In Denmark in September, we can expect 11 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.6 days of the week, or in general - 37 % days.
How many sunny hours can I expect in September in Denmark?
There is an average length of sunshine of 5 hours per day in September in Denmark.
What is the air temperature in September in Denmark at night?
The average night temperature in Denmark in September is 11 °C (51 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold.
Is September part of the wet season in Denmark?
No, there is no wet season in September in Denmark - you can expect 11 days of rain during the month.
How windy is Denmark in September?
In September in Denmark, there will be an average wind scale of 6.
Is September part of the dry season in Denmark?
No, September is not a dry month in Denmark, expect rain approximately 11 days in a month.
What level of humidity is to expect in September in Denmark?
Humidity in Denmark in September is 83 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.
Is the weather in Denmark warmer in September than in August?
No, September is not warmer in Denmark than August.
How long is the day (from dawn till dusk) in Denmark in September?
The length of daylight in Denmark in September is 13 hours.
Is the sea in Denmark warmer in September than in August?
No, the sea temperature in September in Denmark is not higher than in August.
Is Denmark rainier in September than in October?
No, in Denmark in September it does not rain more than in October.