Sastamala weather in September (Western Finland, Finland)

How is the weather in Sastamala in September? This guide provides all the details you need.

In September, Sastamala generally has moderate temperatures and moderate rainfall. Anticipate daytime temperatures around 16°C, while night temperatures can drop to 7°C.

Sastamala in September usually receives moderate rainfall, averaging around 61 mm for the month. Typically around 18 days of rainfall is expected.

The city usually sees around 125 hours of sunlight, indicating a moderately sunny period.

If your ideal day consists of dry skies and moderate temperatures June, 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 Sastamala climate page with graphs.

 

Sastamala, monthly averages in September

Min Temperature 7°C  

Max Temperature 16°C  

Chance of Rain 59%  

Precipitation 61 mm  

Rainy days 18 days  

Sunshine 125 hours *  

Percentage Sunshine *  

* Data from: Jokioinen, Finland (66 KM, 41 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 Sastamala 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?

This site provides you with all the information you need about the climate in Sastamala.

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.