Oslo weather in September (Oslo County, Norway)

Planning a trip 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. Throughout the day, temperatures typically settle at around 16°C. But by evening, they drop to around 7°C.

Oslo in September usually receives moderate rainfall, averaging around 89 mm for the month. Typically around 16 days of rainfall is expected.

The area experiences a moderate amount of sunshine, with approximately 146 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

Should you favor a climate that's both dry and comfortably warm June, July and August typically offer the most agreeable circumstances. On the other hand, January, February, March, April, October, November and December tend to be characterized by conditions that may not be as optimal.

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

 

Oslo, monthly averages in September

Min Temperature 7°C  

Max Temperature 16°C  

Water Temperature 14°C  

Chance of Rain 54%  

Precipitation 89 mm  

Rainy days 16 days  

Humidity 76%  

Windspeed 7 km/h  

Sunshine 146 hours  

Percentage Sunshine  

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?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay. 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

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.