Espoo weather in September (Southern Finland, Finland)

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

In September, Espoo typically experiences moderate temperatures and moderate rainfall. Throughout the daytime, temperatures often hover around 16°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 9°C.

Espoo in September usually receives moderate rainfall, averaging around 65 mm for the month. Rain is expected on roughly 18 days.

The city usually sees around 151 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 Espoo climate page with graphs.

 

Espoo, monthly averages in September

Min Temperature 9°C  

Max Temperature 16°C  

Water Temperature 13°C *  

Chance of Rain 61%  

Precipitation 65 mm  

Rainy days 18 days  

Humidity 84% *  

Windspeed 11 km/h *  

Sunshine 151 hours *  

Percentage Sunshine *  

* Data from: Helsinki, Finland (19 KM, 12 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 Espoo in September?

For visitors traveling to Espoo, 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 Espoo.

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.