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Weather in September in Oslo County

Planning a getaway to Oslo County this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What is the weather like in Oslo County in September?

Oslo County is a region in Norway. September in Oslo County generally has moderate temperatures, with moderate precipitation.

Temperatures

You can expect moderate maximum daytime temperatures of around 16°C and nighttime temperatures around 7°C in Oslo.

Precipitation

September is a moderate rainy month with an average rainfall of around 89 mm in Oslo.

Average sunshine

Most areas experience a moderate amount of sunshine, with approximately 146 hours of sunlight expected in Oslo. This makes it neither too gloomy nor overly bright.

To learn more about the conditions in specific areas of Oslo County in September, check out the map below. For more details on the yearly weather, visit our Oslo County climate page.

Where to go in Oslo County in September

Find more information for the most popular destinations in the Oslo County on the map below. Click on a destination dot for more detailes.

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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).

Popular destinations

What is the weather like in September for the most popular destinonation in Oslo County?

Oslo

In September Oslo generally has moderate temperatures with maximum daytime temperatures around 16°C, minimum nighttime temperatures around 7°C and moderate monthly rainfall. So on average the conditions are tolerable that month.

Oslo
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
21°C 
11°C 
209 hours 
112 mm 
16 days 
16°C 
7°C 
146 hours 
89 mm 
16 days 
October   >> October
>>  
9°C 
2°C 
87 hours 
91 mm 
17 days 
poor 
Climate in Oslo

Is your destination not in the list? Have a look at other destinations in Oslo County, in Norway.

Is September the best time to visit Oslo County?

In our opinion, September is a good time to visit Oslo County with overall tolerable weather in Oslo. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Oslo County is in June, July and August with generally pleasant weather in Oslo. On the other hand, the weather in January, February, March, April, October, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Oslo County. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Norway? Get detailed 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 travel conditions. Find out where to go with our weather planner.