Oslo

Oslo County Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Oslo County, Norway in September.

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Planning a getaway to Oslo County, Norway 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 to Expect in Oslo County in September

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

Temperatures

You can expect mild maximum daytime temperatures of around 16°C (61°F) and nighttime temperatures around 7°C (45°F) in Oslo.

To learn more about the conditions in specific areas of Oslo County, Norway, check out the map below.

Precipitation

September is a moderate rainy month with an average rainfall of around 89 mm (3.5 in) in Oslo.

Average sunshine

Sunshine is fairly consistent across many areas. Oslo receives about 146 hours of sunlight in September, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

Explore Oslo County by month

Best Places to Visit in Oslo County in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Oslo County.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Oslo County

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

Oslo

In September Oslo generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 7°C (45°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
21°C (70°F)
16°C (61°F)
9°C (48°F)
Min temperature
11°C (52°F)
7°C (45°F)
2°C (36°F)
Monthly sun hours
209 hours
146 hours
87 hours
Monthly rainfall
112 mm (4.4 in)
89 mm (3.5 in)
91 mm (3.6 in)
Monthly rainy days
16 days
16 days
17 days
Weather conditions

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

Oslo County weather in September: frequently asked questions

What is the weather like in Oslo County, Norway in September?

Expect tolerable weather across Oslo County, Norway in September. The popular destination of Oslo averages 16°C (61°F) by day and 7°C (45°F) at night during this month.

What is the average temperature in Oslo County, Norway in September?

Daytime temperatures in Oslo peak at roughly 16°C (61°F) in September, dropping to about 7°C (45°F) overnight.

Does Oslo County, Norway get a lot of rain in September?

Not particularly. Oslo averages just 89 mm (3.5 in) of rain in September, making it a mostly dry month for Oslo County, Norway.

Is September a Good Time to Visit Oslo County, Norway?

In our opinion, September is a good time to visit Oslo County, Norway 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, Norway 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.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.