Weather in Finland in September

September offers a multitude of reasons to visit Finland. As summer transitions into fall, the country experiences vibrant foliage and cooler temperatures, perfect for various outdoor activities. The weather in Finland in September is ideal for hiking, berry picking, and exploring the stunning natural landscapes. Cultural festivals, like the Helsinki Design Week and the Loviisa Sibelius Festival, add a touch of local charm to your visit. Enjoy the beauty of changing leaves, clear lakes, and vibrant cities as Finland welcomes fall. Make sure to read all about the weather in Finland in September

Finland in September at a glance

• Average temperatures range from around 41°F to 59°F (5°C to 15°C).
• September is a great time to explore places like Lapland and the Finnish Lakeland, where you can enjoy the beautiful fall scenery and outdoor activities, such as hiking, berry picking. 
• The weather is cool and crisp, making it perfect for outdoor activities and enjoying the vibrant landscapes.
• In September, you experience fewer crowds as the peak tourist season has ended, making it ideal to explore Finland’s unique charm without the rush.

What is the weather like in Finland in September?

The weather in Finland in September is cool and crisp, providing a refreshing atmosphere for fun activities. With the arrival of fall, the landscapes transform into a tapestry of vibrant reds, oranges, and yellows, making it an ideal time for hiking and exploring nature trails. Daylight hours begin to shorten, but there is still plenty of time to enjoy the scenic beauty. 

Occasional rain showers can occur, but they are generally light and brief. 

If you visit Finland in September, you'll experience a serene and peaceful environment, perfect for immersing yourself in the natural surroundings. The comfortable climate makes it a great time for activities like berry picking, fishing, and enjoying the early fall foliage. September in Finland offers a unique blend of tranquility and adventure, making it an ideal destination for those looking to experience the beauty of the changing seasons.

Make sure to read all about the best time to visit Finland.

Average daily temperatures in September

In September, Finland experiences a cooling trend. The average high temperature during this month is around 15°C (59°F), while the average low can dip to 41°F (5°C). 

In the northern regions, temperatures can be cooler, often ranging from 32°F to 50°F (0°C to 10°C). Southern Finland, including Helsinki, sees milder and more pleasant temperatures, ranging from 50°F to 59°F (10°C to 15°C).

Is September a good time to visit Finland?

September is a fantastic time to visit Finland if you’re interested in experiencing the beauty of fall. The weather in Finland in September offers perfect conditions for activities like hiking, berry picking, and exploring the stunning natural landscapes. The days are still long enough to provide plenty of daylight to enjoy outdoor activities and the vibrant scenery. 

However, be prepared for occasional rain showers, so packing a light rain jacket is advisable.

This month sees fewer crowds as the peak summer has ended, so you can enjoy a more relaxed experience at tourist attractions and natural sites. The beauty of the changing leaves and the pleasant weather make September a great time to visit Finland.

What about the crowds & cost?

September falls during the shoulder season in Finland, meaning fewer crowds at popular destinations. This results in more affordable accommodation, excursions, and flights compared to the peak summer months. 

The vibrant fall scenery and the opportunity to enjoy outdoor activities often justify the visit during this transitional period.

Festivals and events in Finland in September

September in Finland offers several exciting festivals and events that add to the charm of your visit.

• Helsinki Design Week: This event showcases innovative design through exhibitions, workshops, and talks, providing a vibrant cultural experience in the heart of the city.
• Espoo Ciné International Film Festival: Continuing in September and held in Espoo, this festival features a diverse range of films from around the world, offering a rich cinematic experience.
• Loviisa Sibelius Festival: This festival is a captivating celebration of the renowned Finnish composer, Jean Sibelius, offering a unique opportunity to experience his music amidst the enchanting coastal ambiance of Loviisa.

These festivals provide entertainment and offer a deeper understanding of Finland’s cultural heritage. Getting tickets and booking ahead is recommended for these events.

Plan your trip with our Finland itineraries

Our Finland itineraries are crafted to help you experience the best of the country, stress-free. Think of them as a starting point — perfect for planning, but flexible enough to adjust to your own pace and interests. After all, travel is about freedom, but a little planning goes a long way.

• Finland itinerary 5 days: A short trip focused on Finland’s highlights. Expect to explore Helsinki, take a day trip to charming Porvoo, and experience the Finnish sauna culture— maybe even with a dip in an icy lake!
• Finland itinerary 10 days: Ten days lets you see Helsinki and venture into the Finnish wilderness. You can explore Lapland for northern lights and winter activities, or visit the stunning Lakeland region for hikes and lakeside relaxation.

Rough Guides tip: Find even more ideas for your fall adventure with our guide to the best places to travel in September.