Copenhagen weather in September (Hovedstaden, Denmark)

Planning a trip to Copenhagen in September? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In September, Copenhagen typically experiences pleasant temperatures and moderate rainfall. Daytime temperatures hover around 18°C, while nights can cool down to about 11°C.

Copenhagen in September usually receives moderate rainfall, averaging around 68 mm for the month. Typically around 14 days of rainfall is expected.

The area experiences a moderate amount of sunshine, with approximately 142 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

If your ideal day consists of dry skies and moderate temperatures June, July and August generally stand out with the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Copenhagen climate page with graphs.

 

Copenhagen, monthly averages in September

Min Temperature 11°C  

Max Temperature 18°C  

Water Temperature 14°C  

Chance of Rain 46%  

Precipitation 68 mm  

Rainy days 14 days  

Humidity 79%  

Windspeed 18 km/h  

Sunshine 142 hours  

Percentage Sunshine 41%  

Where to go in Denmark in September

Find out more about the weather in Denmark in September and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Copenhagen in September?

For visitors traveling to Copenhagen, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes. With a water temperature of around 14°C there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Copenhagen.

Our site offers climate and forecast data for every country in the world. Are you going to Denmark? On this website you can find historical weather averages for many cities in Denmark. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.