Pietarsaari weather in September (Western Finland, Finland)

What should you pack for a trip to Pietarsaari in September? Thinking about a visit? Explore this page for a full overview of the weather conditions this month.

Temperatures

During September, Pietarsaari usually has moderate temperatures and moderate rainfall. During the day, temperatures can climb to about 15°C. At night, they may fall to a cooler 8°C.

Precipitation

Pietarsaari in September usually receives moderate rainfall, averaging around 65 mm for the month. Historically, approximately 16 days this month are expected to have rain.

If you prefer dry days with pleasant temperatures, July and August typically offer 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 Pietarsaari climate page with graphs.

 

Pietarsaari, monthly averages in September

Min Temperature 8°C  

Max Temperature 15°C  

Chance of Rain 54%  

Precipitation 65 mm  

Rainy days 16 days  

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

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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 this month?

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.

Cycling

6/10

Walking

6/10

Barbeque

5/10

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 Pietarsaari.

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.