Travel Guide For Grand Teton National Park in September

Here’s our travel guide for visiting Grand Teton National Park in September. We share everything you need to know about about a September trip to Grand Teton: what services are available, what the weather will be like, and what activities you can do!

This Grand Teton National Park guide will help you plan your September vacation: what to pack, where to stay, things to do, and more!

grand teton national park in september

Grand Teton is fully open in September which means all services and roads are open. The weather is really nice to enjoy all the outdoor activities you can do at this park!

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Grand Teton National Park in September

Each season will have different activities and services available when visiting Grand Teton National Park.

September is a popular month to visit because the weather is so nice! But that means you’ll need to navigate the crowds.

Use our guide to find the best time to visit Grand Teton National Park that fits your travel style!

Teton mountains with trees in fall color

A Photo Tour of Grand Teton National Park

Take a visual tour through Grand Teton National Park to see the stunning landscape and wildlife you’ll find in the park!

Visiting Grand Teton in September

There are so many fun things to do when visiting Grand Teton National Park. You’ll find different activities and services available during each season and month of the year.

In September, you’ll enjoy cool temperatures, fall colors and fewer people visiting Grand Teton.

Use our guide to find information about the best time to visit Grand Teton National Park.

September Weather at Grand Teton National Park

Grand Teton National Park weather in September is almost perfect! Expect daytime highs in the 50-60s and lows in the 20-30s.

Grand Teton in the fall averages 23 days below freezing so be sure to pack a fleece jacket and winter coat for layering. It’s always good to check the weather conditions on the Grand Teton website so you’re prepared with the right gear to enjoy the outdoors!

Services at Grand Teton in September

Grand Teton is open 24 hours, every day of the year. In September all roads, Visitor Centers, lodges and marinas are open. We recommend you always get updated information on the services available and things to do. Here’s a list of all the areas at Grand Teton:

All Grand Teton campgrounds are by advanced reservation system only up to six months in advance at Recreation.gov.

Things To Do at Grand Teton in September

There are plenty of fun outdoor things as you look for Grand Teton National Park vacation ideas when visiting the park in September:

Schwabacher Landing in the fall Grand Teton National Park

Fall Colors in September at Grand Teton

Grand Teton in the fall runs from September through mid-October. Planning a trip during this time means you’ll see incredible fall colors at the Tetons. 

Although you can’t predict the peak dates to see the fall colors, it usually happens around the 3rd week in September and continues through mid-October. 

During the fall you will see the deciduous trees showcase yellow and orange shades with a little bit of red popping through the Teton Range. 

Must-see locations to see the autumn colors are along the Snake River where the cottonwood trees showcase their vibrant color. We recommend visiting Oxbow Bend, Schwabacher Landing and Jackson Lake to see these fall color scenes with the river and lake.

Bull moose at Grand Teton in the fall.

Look for Wildlife at Grand Teton in September

September is a good time to see wildlife at Grand Teton. Here’s a list of wildlife viewing areas we recommend:

  • Oxbow Bend
  • Mormon Row
  • Gros Ventre
  • Willow Flat
  • Coulter Bay
  • Pilgrim Road
  • Moose-Wilson Road

Please be a responsible wildlife observer by maintaining a safe distance of at least 100 yards from wolves and bear, and 25 yards from all other wildlife.

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Grand Teton Hikes in September

In September the higher elevation hiking trails could get snow at any time so be prepared for wet and cold conditions. Here’s a list of good Grand Teton day hikes to explore the park!

There are a few things to note about hiking at Grand Teton:

  • Make noise as you hike and always carry bear spray and know how to use it. Visit the Bear Safety page for more information.
  • Carry a hydration pack or a refillable water bottle in your backpack. Plan to drink considerably more at Grand Teton due to low humidity and high elevation.
  • You’ll need sun protection: sunscreen and sunhat!
  • Pace yourself. High elevation may cause breathing difficulties so listen to your body and don’t overdo it! The only cure for altitude sickness is to retreat to a lower elevation.
  • Tell someone where you are going and when you expect to return.
  • Solo hiking and off-trail hiking is not recommended. Many rescues involve solo parties that were unable to self-rescue, sometimes with life-threatening injuries.

reflection at Schwabacher Landing in the fall

Grand Teton Photography in September

Landscape photography at Grand Teton is amazing. In the later part of September, you can take pictures of colorful fall leaves in the park! Check out our tips to photograph Grand Teton National Park.

We also created a checklist of all the best photo spots at Grand Teton!

Be ready with your camera gear to capture images the landscape and wildlife as you drive along the road or hike the trails.

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Boating and Floating in September at Grand Teton

You can still enjoy water activities at Grand Teton in September. Be aware that you’ll need the permits for the following: All boats, windsurfing boards (only legal on Jackson Lake), stand-up paddle boards (SUPs), kayaks and canoes are required to purchase a boat permit.

Inner tubes, air mattresses, kick boats, float tubes and similar individual swimming/ fishing flotation devices are exempt from needing a park boat permit. These floatation devices are prohibited on rivers and streams in Grand Teton

Floating the Snake River: Due to constantly shifting logjams, boaters must anticipate their routes well in advance. Use caution and check conditions before each trip. Flow rates are high in June. They are posted at river landings and permit offices weekly or when there is a significant change.

It’s your responsibility to know all the rules for boating at Grand Teton.

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