What to Do in Bas-Saint-Laurent in September

Writing

Laura Martin, she shares her crushes and discoveries with us for our greatest happiness!

Article published on August 21, 2026

In Bas-Saint-Laurent, just when you think summer is over, well, there’s still more of it to enjoy! Just because the evenings are getting cooler and the yellow school buses are back on the streets doesn’t mean it’s time to stop getting away. Here, summer pleasures stretch right to the very last ray of sunshine. Whether you’re into biking and craft beer, brass instruments or chanterelles, festival season still has plenty of great experiences in store. Don’t forget your light sweater!

Festi Jazz international de Rimouski

September 3 to 6, 2026

The region’s longest-running music festival is celebrating its 40th anniversary. And it’s treating us! To kick things off, UZEB fans will be living the dream with the return of Michel Cusson and Alain Caron.

Jill Barber, Bïa and American trumpeter Keyon Harrold are among the other headliners. In addition to indoor shows, free programming will bring the city streets to life.

Saxophones are always a good time…

Festival L’Escale, Trois-Pistoles

Trois-PistolesL'Escale maritime de Trois-Pistoles

September 3 to 6, 2026

Created in 2023 on the grounds of the Parc de l’aventure basque, this young festival has already earned a prime spot on the calendar. Whether you’re looking to learn something new or simply unwind, there’s something for everyone.

With a mission to showcase the St. Lawrence and its biodiversity, the event features science booths for families, an animated crossing and live music.

You can even try your hand at Basque pelota while you’re there. Try finding that anywhere else…

Bière Fest, Rivière-du-Loup

September 10 to 12, 2026

In Rivière-du-Loup, back-to-school season has had a hoppy twist for several years now.

In picturesque Parc Blais, craft beer lovers gather in a friendly and welcoming atmosphere.

Local food discoveries and live music make it a must-attend event that helps ease the transition into fall. Three things you need for a great evening: a warm little layer, a little thirst and good company!

Festival des champignons forestiers du Kamouraska

September 18 to 20, 2026

Named Event of the Year at the latest Lauriers de la gastronomie, this festival has definitely stepped out from the shadows of the forest floor!

For its 11th edition, it invites visitors to explore the fascinating world of these little capped creatures through a delicious and surprising program.

On the menu this year: a talk by Loonie Cuisine, a mushroom-spirit tasting with Madame Gin and a new culinary competition.The fun even stretches over two weekends, with a feast at Côté Est and brunch at microbrewery La Tête d’allumette. Well, Smurf!

Coupe Québec de vélo de montagne, Saint-Mathieu-de-Rioux

Saint-Mathieu-De-RiouxCoupe Québec DH - Vélo de Montagne

September 19 and 20, 2026

Just a few months after opening its mountain bike trails, Parc du Mont-Saint-Mathieu will host its first provincial downhill competition.

It will also be the first time Bas-Saint-Laurent hosts a Coupe Québec event. What a great opportunity to watch some of Québec’s best riders send the rocks flying!

There’ll be excitement in the air, adrenaline at full throttle and maybe even a little fall colour in the trees!

Festi Jazz International de Rimouski

From September 3 to 6, 2026

Place des Anciens combattants,
Rimouski,
Québec G5L 8M4

T. 4187247844

Website

See the card

Festival L'Escale

From September 3 to 6, 2026

5, rue Notre-Dame E,
Trois-Pistoles,
Québec G0L 4K0

T. 4188515476

Website