Weather in Oslo in September
Oslo, Norway averages a high of 15.7°C (60.3°F) and low of 9.6°C (49.3°F) in September, with 10 rain days and 7.7 hours of daily sunshine. Travel score: 65.7/100 (Good). The best time to visit Oslo is July.
High
16°C60°F
Low
10°C49°F
🌧️
10
rain days
☀️
7.7
hrs/day sunshine
💧
81%
humidity
66— Good
September in Oslo is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Oslo?
How much does it rain in Oslo in September?
Oslo receives an average of 86.5mm of rainfall across 10 rainy days in September. The annual total is 930mm.
What should I pack for Oslo in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 16°C
Recommended
🧥
Light rain jacket
Some rainy days expected (10 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
🎉Visiting Norway in September?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31