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The Real Banff / Published: Mon, 08/30/2021 - 12:08

What to Expect in Banff and Lake Louise in September

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Planning a trip to Banff and Lake Louise in September is thrilling as a few things happen only during this month of the year. The larch trees are turning yellow, there is a hint of fall in the air, and you can start getting cozy around the fire pit at night. Plus, don’t forget the start of all the great local food and drink options as new vegetables and flavours come into season. 

Here is what you can expect to see, do and experience in Banff and Lake Louise in September. 

The Weather 

Banff Townsite: 17 C/2 C 

Lake Louise: 15 C/ 0 C 

Banff and Lake Louise start to get colder in September. The summer months have come to a close, which means chiller nights and early mornings, with milder temperatures mid-day. 

You can expect highs of around 17 C and lows of about 2 C in the Town of Banff. This gets colder the higher you go, so when you are out hiking, pack extra layers for when you get to the summit or viewpoint. The town of Lake Louise gets a bit chiller than Banff, with highs of about 15 C and a low of 0 C.  

There is a chance of snow overnight, and your mornings can be quite cool. Be prepared for the risk of snowstorms happening. They are rare, but snow can start to fall in September at these elevations, and sometimes a major storm can affect the area. 

What to Pack 

Bring on the layers! Fall (also known as shoulder season) in Banff National Park can be both hot and freezing on the same day and even at the same time at different elevations.  

If you are planning to hike – both a rainproof and a windproof shell are key. Waterproof or water-resistant boots are highly recommended as well. You might also want to consider a lightweight toque and even some mitts for the summit or peak.  

A light jacket or warm sweater is also essential for evenings on the town, having a cozy dinner, shopping, or even just exploring. 

What to See 

Fall in the Canadian Rockies is largely defined by the iconic larch season from mid-September to early October. Wandering through valleys of trees transitioning to shades of orange, yellow, and gold is quintessential Fall hiking in the mountains. Those who are not keen to hike can still experience the magic of larch season in their own way.

Couple hiking through larch valley
Paul Zizka

If you’re ready to stretch your legs and explore the park on foot, you can also take part in the Banff Marathon or Melissa’s Park Road Race taking place this September. Breathe in the fresh mountain air as you travel past iconic sights in Banff, including glistening lakes, lush green parks, and even picturesque downtown Banff. These running events offer a whole new way to explore Banff National Park. 

You can also get cozy this Fall with warm food and drink offerings found throughout the national park. Enjoy farm-to-fork specialties from the wood-fired kitchen at Farm & Fire. Or perhaps you would prefer a curated selection of artisan cheeses, cured meats, and house-baked bread in the intimate hideaway, Grapes, at the Fairmont Banff Springs Hotel. You can also settle into the rustic décor at the Grizzly House as you indulge in your choice of 14 varieties of fabulous fondues and sizzling hot rock selections. The chocolate fondue with melted Toblerone and fresh fruit is a sure way to end your evening on a sweet note. 

The Wildlife

September is an excellent season for wildlife viewing in Banff. Our wild neighbours are still highly active, giving you the perfect opportunity to see them. But there is also an elevated risk of animal encounters, so you need to be extra aware while out in the wild. While hiking in the Fall – or any season - you should carry bear spray and make sure to be mindful of our wild neighbours.

Bears

It’s the tail-end of the bulk-up season for our local bears, who are exploring at lower elevations to find the last bits of vegetation before hunkering down for the winter. You always need to be bear aware while in Banff, but you are more likely to find them in locations you wouldn’t during the rest of summer in September. Because of active bear activity, some trails will be closed or limited to groups of 4 or more people.

A bear walks down Vermilion Lakes Legacy Trail.

Elk

Rutting season is in full swing for Elk in Banff National Park in September. This is the elk breeding season, and the male elk, or bull elk, can become aggressive during this time. It’s important to always give elk at least 30 meters of space when you encounter them, and make sure to never get between a male elk and a female elk.

Seasonal Closures

Be aware that some summer activities in Banff shut down in September. This includes some outdoor experiences and the ski hill gondolas. If you are looking at participating in certain activities, please ensure they are still open during your visit in September.

Specific trails also close due to wildlife and snowfall. Snow begins to fall at higher elevations in September and can make passing some hiking trails difficult or dangerous.

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Plan Your Stay

Browse and book accommodation and lodging packages with our trip planning tool. To learn about the different types of accommodation available in Banff and Lake Louise, visit our Places to Stay page or Contact Us to speak to a local expert.