Lohja weather in September (Southern Finland, Finland)

How is the weather in Lohja in September? Check out this comprehensive weather guide.

In September, Lohja typically experiences moderate temperatures and moderate rainfall. Daytime temperatures hover around 16°C, while nights can cool down to about 9°C.

Lohja in September usually receives moderate rainfall, averaging around 62 mm for the month. Typically around 19 days of rainfall is expected.

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 Lohja climate page with graphs.

 

Lohja, monthly averages in September

Min Temperature 9°C  

Max Temperature 16°C  

Chance of Rain 62%  

Precipitation 62 mm  

Rainy days 19 days  

Humidity 84% *  

Sunshine 151 hours *  

Percentage Sunshine *  

* Data from: Helsinki, Finland (50 KM, 31 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 Lohja in September?

For visitors traveling to Lohja, 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.

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 Lohja.

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.