Naantali weather in September (Southern Finland, Finland)
What kind of temperatures can you expect in Naantali during September? Here’s a detailed forecast of the month’s weather patterns.
Temperatures
Typically, September in Naantali includes moderate temperatures and moderate rainfall. Anticipate daytime temperatures around 16°C, while night temperatures can drop to 9°C.
Precipitation
Naantali in September usually receives moderate rainfall, averaging around 66 mm for the month. Typically around 18 days days of rainfall are expected.Average sunshine
The city usually sees around 154 hours of sunlight, indicating a moderately sunny period.Should you favor a climate that's both dry and comfortably warm July and August typically offer the most agreeable circumstances. On the other hand, January, February, March, April, October, November and December tend to be characterized by conditions that may not be as optimal.
For an in-depth look at the yearly conditions, visit our specialized Naantali climate page with graphs.
Naantali, monthly averages in September
Where to go in Finland in September
Find out more about the weather in Finland and which places have the best travel conditions in this month.
So, what should you wear in this month?
For visitors traveling to Naantali, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Naantali.
Our site offers climate and forecast data for every country in the world. Are you going to Finland? On this website you can find historical weather averages for many cities in Finland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.