Oslo weather in September (Oslo County, Norway)

Looking to travel to Oslo in September? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In September, Oslo generally has moderate temperatures and moderate rainfall. Daytime temperatures hover around 17°C, while nights can cool down to about 8°C.

Oslo in September usually receives moderate rainfall, averaging around 94 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 16 days of the month will see rainfall.

The area experiences a moderate amount of sunshine, with approximately 149 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 generally stands out with the best circumstances. While January, February, March, October, November and December tend to showcase less optimal conditions.

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

 

Oslo, monthly averages in September

Min Temperature 8°C  

Max Temperature 17°C  

Chance of Rain 54%  

Precipitation 94 mm  

Rainy days 16 days  

Humidity 76% *  

Sunshine 149 hours *  

Percentage Sunshine *  

* Data from: Drammen, Norway (35 KM, 21 Miles).

Where to go in Norway in September

Find out more about the weather in Norway 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 Oslo in September?

For visitors traveling to Oslo, 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 in September.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Interested in more climate information?

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

Our site offers climate and forecast data for every country in the world. Are you going to Norway? On this website you can find historical weather averages for many cities in Norway. 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.