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

Min Temperature 9°C  

Max Temperature 16°C  

Chance of Rain 60%  

Precipitation 66 mm  

Rainy days 18 days  

Sunshine 154 hours *  

Percentage Sunshine *  

Data from: Turku, Finland (13 KM, 8 Miles).

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.

Weather conditions Weather

Temperatures

Precipitation

Map not visible? Whoops sorry! Please refresh the page.

Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a 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.

Swimming

5/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

4/10

Outdoor sports

10/10

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.