Roskilde weather in September (Region Sjælland, Denmark)

What is the weather forecast for Roskilde in September? Want to know if this month is ideal for visiting? Our guide provides detailed weather information.

Temperatures

In September, Roskilde typically experiences pleasant temperatures and moderate rainfall. You can expect daytime temperatures to reach around 18°C, while the nights will see a decline to about 10°C.

Precipitation

Roskilde in September usually receives moderate rainfall, averaging around 64 mm for the month. Looking at the last 30 years, the data shows about 14 days with rain.

Average sunshine

The city usually sees around 142 hours of sunlight, indicating a moderately sunny period.

If you prefer dry days with pleasant temperatures, June, July and August typically offer 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 Roskilde climate page with graphs.

 

Roskilde, monthly averages in September

Min Temperature 10°C  

Max Temperature 18°C  

Chance of Rain 47%  

Precipitation 64 mm  

Rainy days 14 days  

Humidity 79% *  

Sunshine 142 hours *  

Percentage Sunshine 41% *  

Data from: Copenhagen, Denmark (30 KM, 19 Miles).

Where to go in Denmark in September

Find out more about the weather in Denmark and which places have the best travel 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 this month?

For visitors traveling to Roskilde, 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.

What To Do

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

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Roskilde.

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 travel conditions. Find out where to go with our weather planner.