Oslo weather in September
Cool, with some rainy days. Average highs of 16°C and lows of 10°C, with around 11 rainy days expected throughout the month.
While September isn't our top-rated month for Oslo, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
16°C
Average low
10°C
Rainy days
11 days
Best months to visit
Year-round
What to do in Oslo in September
Whatever the weather, Oslo rewards curious visitors. Here are some of the best ways to spend your time:
Explore the historic centre of Oslo
Taste local cuisine at traditional restaurants
Visit cultural museums and heritage sites
Walk scenic trails around Oslo
Shop at local markets and artisan stores
Enjoy sunset views from elevated viewpoints
What to pack for September
Layer up — a mid-weight jacket, jumpers, and comfortable trousers. Waterproof shoes are recommended. Scarves and gloves may be useful in the evenings.
Browse other months
January
0C
Cold, with some rainy days.
February
1C
Cold, with some rainy days.
March
5C
Cold, with occasional showers.
April
11C
Cool, with occasional showers.
May
16C
Cool, with some rainy days.
June
21C
Mild and comfortable, with some rainy days.
July
22C
Mild and comfortable, with some rainy days.
August
20C
Mild and comfortable, with some rainy days.
September (you are here)
16C
Cool, with some rainy days.
October
10C
Cool, with some rainy days.
November
4C
Cold, with some rainy days.
December
0C
Cold, with some rainy days.
Book your September trip to Oslo
Find hotels, tours and experiences for the perfect escape.
