Naantali weather in September
Cool, with occasional showers. Average highs of 16°C and lows of 10°C, with around 9 rainy days expected throughout the month.
While September isn't our top-rated month for Naantali, 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
9 days
Best months to visit
Year-round
What to do in Naantali in September
Whatever the weather, Naantali rewards curious visitors. Here are some of the best ways to spend your time:
Explore historic landmarks
Walk scenic routes
Taste local cuisine
Visit museums
Experience local culture
Photograph landscapes
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
-1C
Cold, with some rainy days.
February
0C
Cold, with some rainy days.
March
3C
Cold, with occasional showers.
April
9C
Cold, with occasional showers.
May
15C
Cool, with occasional showers.
June
20C
Mild and comfortable, with occasional showers.
July
21C
Mild and comfortable, with some rainy days.
August
20C
Mild and comfortable, with regular rainfall.
September (you are here)
16C
Cool, with occasional showers.
October
9C
Cold, with some rainy days.
November
5C
Cold, with some rainy days.
December
1C
Cold, with some rainy days.
Book your September trip to Naantali
Find hotels, tours and experiences for the perfect escape.
