Vaasa weather in September (Western Finland, Finland)

Planning a trip to Vaasa in September? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In September, Vaasa generally has moderate temperatures and moderate rainfall. Throughout the daytime, temperatures often hover around 15°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 7°C.

Vaasa in September usually receives moderate rainfall, averaging around 62 mm for the month. Typically around 16 days of rainfall is expected.

The city usually sees around 135 hours of sunlight, indicating a moderately sunny period.

If your ideal day consists of dry skies and moderate temperatures July and August generally stand out with the best circumstances. While January, February, March, April, October, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Vaasa climate page with graphs.

 

Vaasa, monthly averages in September

Min Temperature 7°C  

Max Temperature 15°C  

Chance of Rain 54%  

Precipitation 62 mm  

Rainy days 16 days  

Sunshine 135 hours  

Percentage Sunshine  

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 Vaasa in September?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

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

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 Vaasa.

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.