Turku Weather in September

Cool, with occasional showers. Average highs of 16°C and lows of 9°C, with around 9 rainy days expected throughout the month.

While September isn't our top-rated month for Turku, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.

Average high

16°C

Average low

9°C

Rainy days

9 days

Best months to visit

Year-round

What to do in Turku in September

Whatever the weather, Turku rewards curious visitors. Here are some of the best ways to spend your time:

Turku Castle exploration and guided tours River walks along the Aura Qwensel House museum visit Cathedral and medieval architecture tours River cruises and boat rides Market square shopping and dining

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.