Weather in Turku in September
Turku, Finland averages a high of 15.3°C (59.5°F) and low of 9.1°C (48.4°F) in September, with 9 rain days and 8.7 hours of daily sunshine. Travel score: 67.9/100 (Good). The best time to visit Turku is July.
High
15°C60°F
Low
9°C48°F
🌧️
9
rain days
☀️
8.7
hrs/day sunshine
💧
81%
humidity
68— Good
September in Turku is mild and occasionally wet — good for most activities.
What are the average temperatures in Turku?
How much does it rain in Turku in September?
Turku receives an average of 57.6mm of rainfall across 9 rainy days in September. The annual total is 674.2mm.
What should I pack for Turku in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 15°C
Recommended
🧥
Light rain jacket
Some rainy days expected (9 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
🎉Visiting Finland in September?
Don't miss any public holidays — check before you book!
Compare Turku
Popular comparisons:
How can I plan my trip to Turku?
What other cities are near Turku?
What are other popular cities in Finland?
What is the weather like in other months in Turku?
Data based on 1994–2024 averages · Last updated: 2024-12-31