Vantaa weather in September (Southern Finland, Finland)

Curious about the September weather in Vantaa? Here's what the weather might have in store during this month.

In September, Vantaa generally has moderate temperatures and moderate rainfall. Daytime temperatures hover around 16°C, while nights can cool down to about 8°C.

Vantaa in September usually receives moderate rainfall, averaging around 64 mm for the month. When we look at the climate data from the last 30 years, we can expect around 17 days of rain.

The area enjoys a balanced 151 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

Should you favor a climate that's both dry and comfortably warm June, 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 Vantaa climate page with graphs.

 

Vantaa, monthly averages in September

Min Temperature 8°C  

Max Temperature 16°C  

Water Temperature 13°C *  

Chance of Rain 56%  

Precipitation 64 mm  

Rainy days 17 days  

Humidity 84% *  

Windspeed 11 km/h *  

Sunshine 151 hours *  

Percentage Sunshine *  

* Data from: Helsinki, Finland (3 KM, 2 Miles).

Where to go in Finland in September

Find out more about the weather in Finland in September and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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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 Vantaa in September?

For visitors traveling to Vantaa, 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. With a water temperature of around 13°C there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming

5/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

4/10

Outdoor sports

10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Vantaa.

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 climate conditions. Find out where to go with our weather planner.