Weather in Oulu in September
Oulu, Finland averages a high of 12.6°C (54.7°F) and low of 7.7°C (45.9°F) in September, with 10 rain days and 7.4 hours of daily sunshine. Travel score: 60.6/100 (Good). The best time to visit Oulu is July.
High
13°C55°F
Low
8°C46°F
🌧️
10
rain days
☀️
7.4
hrs/day sunshine
💧
82%
humidity
61— Good
September in Oulu is cool and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Oulu?
How much does it rain in Oulu in September?
Oulu receives an average of 57.8mm of rainfall across 10 rainy days in September. The annual total is 589mm.
What should I pack for Oulu in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 13°C
🧶
Sweaters and warm layers
Layer up for comfort
Traveling to Finland in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31