September in Colorado brings a delightful blend of warm days, cool evenings, and the changing colors of autumn. As summer transitions into fall, the landscapes transform into a tapestry of vibrant hues, with golden aspens painting the mountainsides. Whether you're seeking outdoor activities like hiking, wildlife watching, or scenic drives amidst the stunning fall foliage, or you're interested in exploring cultural events and festivals, September in Colorado offers something for everyone.

This travel guide will provide essential information, top destinations, unique experiences, and personal insights to help you plan an unforgettable trip to Colorado in September.

If you plan to visit at the end of September and have a long stay up to December, we have a climate and travel guide available.

Considerations Before Planning Your Trip To Colorado In September

Before planning your trip to Colorado in September, there are several factors you should consider:

  1. Weather and Climate: September in Colorado can bring a mix of weather conditions. While it generally starts to cool down, there can still be variations in temperatures and weather patterns across the state. Research the average temperatures and precipitation levels for the specific regions you plan to visit.
  2. Fall Foliage: If you're interested in witnessing the beautiful fall foliage, check the timing of the peak color season in Colorado. The timing can vary depending on elevation and location, so plan your itinerary accordingly.
  3. Crowds and Accommodations: September is a popular time to visit Colorado, especially for outdoor enthusiasts and those seeking fall colors. Consider that popular attractions, national parks, and accommodations may be busier during this time. It's advisable to book accommodations in advance and be prepared for potential crowds.
  4. COVID-19 Guidelines: Stay updated on the current COVID-19 situation and any travel restrictions or guidelines that may be in place. Check the official websites or contact local authorities to understand any specific requirements or safety measures for travelers.
  5. Outdoor Activities and Recreation: September offers excellent opportunities for outdoor activities in Colorado, such as hiking, biking, and wildlife viewing. Research the specific activities you're interested in and ensure you have the necessary equipment, permits (if required), and knowledge of safety precautions.
  6. Transportation: Consider your transportation options within Colorado. Will you be renting a car, relying on public transportation, or using a combination of both? Some areas may require a car to access remote locations and national parks.
  7. Clothing and Gear: Pack appropriate clothing and gear for the changing weather conditions. Layering is recommended, as temperatures can vary throughout the day. Bring comfortable footwear for hiking and outdoor activities and any specialized gear you need.
  8. Itinerary Planning: Determine the regions and attractions you want to explore in Colorado. Consider the travel distances and plan your itinerary accordingly to maximize your time. Be realistic about how many activities you can comfortably fit into your schedule.
  9. Safety and Preparedness: Familiarize yourself with the potential risks and safety considerations associated with outdoor activities in Colorado. Be prepared for weather changes, carry necessary supplies, and inform someone about your plans if venturing into remote areas.

Transportation Options in Colorado

Getting around Colorado conveniently and efficiently is essential for a memorable trip. Here are some transportation options available for travelers in the state:

Personal Vehicle

Transportation Options in Colorado

Having your vehicle provides the utmost flexibility and convenience, allowing you to explore various destinations at your own pace. Colorado has a well-connected network of highways and scenic byways, making navigating between cities, national parks, and outdoor attractions easy. Consider renting a car if you don't have your own.

Public Transportation

Public Transportation

Colorado offers public transportation options, particularly in major cities like Denver, Boulder, and Colorado Springs. Public buses and light rail systems are available, providing access to popular tourist areas, downtown districts, and attractions within city limits. Check local transit authorities for schedules, routes, and fare information.

Shuttle Services

Shuttle services are convenient for travelers who prefer not to drive or navigate public transportation. Many shuttle companies operate between airports, cities, ski resorts, and national parks, offering reliable and comfortable transportation. Whether you need to get from the airport to your hotel or travel between different regions of Colorado, shuttle services are a hassle-free choice.

Rental Cars

Renting a car is popular for travelers who want the freedom to explore Colorado's diverse landscapes. Major airports and cities have numerous rental car agencies, providing a range of vehicle options to suit your needs. It's advisable to book in advance, especially during peak travel seasons, to secure the vehicle of your choice.

Domestic Flights

Domestic Flights

Domestic flights are available for long-distance travel within Colorado or to reach more remote destinations. The state has several major airports, including Denver International Airport (DEN), which offers numerous domestic flights and serves as a regional hub. Smaller regional airports are also scattered throughout the state, connecting travelers to various destinations.

Top Destinations in Colorado

Colorado has many breathtaking destinations showcasing the state's natural beauty, cultural heritage, and outdoor recreation opportunities. Here are some top destinations to consider when planning a trip to Colorado in September:

Rocky Mountain National Park

Rocky Mountain National Park is a crown jewel of Colorado's natural wonders. In September, the park comes alive with the vibrant colors of autumn as groves of aspen trees transform into a fiery golden hue. Explore numerous hiking trails that lead to stunning viewpoints, alpine lakes, and cascading waterfalls. Watch for wildlife such as elk, bighorn sheep, and moose. Take advantage of the iconic Trail Ridge Road, which offers breathtaking vistas of the surrounding mountains.

Mesa Verde National Park

Journey back to Mesa Verde National Park, a UNESCO World Heritage Site renowned for its well-preserved ancient cliff dwellings. September offers pleasant weather for exploring the park's fascinating archaeological sites, including guided tours of the impressive cliff dwellings constructed by the Ancestral Puebloans. Learn about the rich Native American history and culture while taking panoramic views of the surrounding mesas and canyons.

Great Sand Dunes National Park

Experience the unique juxtaposition of towering dunes against the backdrop of snow-capped mountains at Great Sand Dunes National Park. September provides comfortable temperatures for hiking or sandboarding on the dunes. Marvel at the ever-changing patterns created by the wind on the vast dunes and cool off in the refreshing waters of Medano Creek, which flows at the base of the dunes during this time.

Unique Places and Festivals to Visit in Colorado In September

In addition to the top destinations mentioned earlier, Colorado is home to unique places and vibrant festivals worth experiencing during your September trip. Here are a few recommendations to share with your readers:

A. Maroon Bells: Located near Aspen, the Maroon Bells are often called the most photographed mountains in North America. In September, the surrounding aspen groves turn into a stunning display of golden foliage, creating a breathtaking backdrop for hikers, photographers, and nature enthusiasts. Encourage your readers to visit at sunrise or sunset for the best lighting and tranquility.

B. Telluride Film Festival: Film buffs will delight in attending the Telluride Film Festival, held annually over Labor Day weekend in the picturesque mountain town of Telluride. This renowned festival showcases a curated selection of new and independent films, attracting acclaimed filmmakers, actors, and film enthusiasts worldwide. Readers can experience premieres, panel discussions, and unique cinematic experiences in an intimate and scenic setting.

C. Durango Cowboy Poetry Gathering: For a taste of the Old West, suggest your readers visit the Durango Cowboy Poetry Gathering, held in September in Durango. This festival celebrates the cowboy culture and heritage through captivating poetry, storytelling, music, and art performances. Attendees can experience cowboy-themed workshops and concerts and even participate in a chuckwagon cook-off, gaining insight into Colorado's rich Western traditions.

D. Breckenridge Oktoberfest: September is the perfect time to join the lively Oktoberfest celebrations in Breckenridge. This vibrant festival embraces German culture with traditional music, dances, food, and plenty of beer. Encourage your readers to don their lederhosen or dirndls and enjoy a weekend of beer gardens, live music, stein-hoisting contests, and delicious Bavarian cuisine.

E. Crested Butte Wildflower Festival: Although primarily known for its summer blooms, the Crested Butte Wildflower Festival, held in July, extends into early September, allowing visitors to witness the lingering wildflower displays. This festival offers guided hikes, photography workshops, and informative presentations to celebrate and educate visitors about the region's diverse wildflower species.

Unique Experiences In Colorado

Colorado offers a range of unique experiences that go beyond traditional sightseeing. Here are some specific activities to recommend to your readers during their September trip:

Hot Air Balloon Rides

Hot Air Balloon Rides

Soar above Colorado's picturesque landscapes in a hot air balloon and witness the stunning autumn scenery from a bird's-eye view. As the aspen trees change color in September, the landscape transforms into a vibrant red, orange, and gold mosaic. Encourage your readers to take a sunrise or sunset hot air balloon ride for a magical and serene experience.

Jeep Tours

Jeep Tours

Explore Colorado's rugged terrain and hidden gems on a thrilling jeep tour. Traverse off-road trails and venture into remote areas that showcase the state's natural beauty. Your readers can discover panoramic vistas and cascading waterfalls and spot wildlife. September's pleasant weather allows for comfortable open-air adventures.

Brewery Tours and Tastings

Brewery Tours and Tastings

Colorado is renowned for its craft beer scene, and your readers can indulge in brewery tours and tastings to experience the state's rich brewing culture. Suggest popular brewery destinations such as Denver, Fort Collins, and Boulder, where they can sample various handcrafted beers and learn about the brewing process. Some breweries even offer special autumn-inspired brews to celebrate the season.

Cultural and Entertainment Events In Colorado



Oktoberfest Celebrations

- Oktoberfest Denver at Larimer Square

- Breckenridge Oktoberfest

- Vail Oktoberfest

Music and Film Festivals

- Riot Fest in Denver

- High Plains Comedy Festival in Denver

- DocuWest International Documentary Film Festival in Denver

Art Exhibits and Galleries

- First Friday Art Walk in Denver

- Denver Modernism Show

- Colorado Springs Art on the Streets

Cultural Festivals

- A Taste of Colorado in Denver

- Longs Peak Scottish-Irish Highland Festival in Estes Park

- Denver Greek Festival

Outdoor Activities In Colorado in September


Transportation Options


Fun Things to Expect


Personal vehicle, public transport

Low (park entrance fees)

Scenic trails, stunning vistas

Mountain Biking

Personal vehicle, bike rentals

Moderate (bike rentals)

Thrilling downhill rides

Whitewater Rafting

Guided tours, shuttle services

Moderate to High

Adrenaline-pumping rapids


Guided tours, shuttle services

Moderate to High

Soaring through picturesque canyons

Horseback Riding

Guided tours, ranch transportation


Exploring scenic trails on horseback

Hot Air Balloon Ride

Tour operators, shuttle services


Panoramic views from above

Rock Climbing

Guided tours, personal vehicle

Moderate to High

Exciting challenges and breathtaking views

Wildlife Watching

Personal vehicle, guided tours

Low to Moderate

Spotting diverse wildlife species

Stand-Up Paddleboarding (SUP)

Personal vehicle, rentals

Low to Moderate

Peaceful water exploration

Camping and Stargazing

Personal vehicle, campsites

Low to Moderate

Night skies filled with stars

Personal Experience in September: A Testimonial

As an avid traveler, I had the incredible opportunity to visit Colorado in September, and it was an unforgettable experience. The decision to explore the state during this time proved one of my best travel choices. Here's why:

First and foremost, the weather in September was simply perfect. The days were pleasantly warm, allowing me to take breathtaking hikes in the Rocky Mountains without feeling overheated. In the evenings, the crisp air made sitting around a campfire or stargazing a magical experience.

The highlight of my trip was witnessing Colorado's fall foliage in all its glory. The aspen trees transformed into a magnificent display of vibrant hues, painting the mountainsides with gold, orange, and red shades. It felt like stepping into a postcard-worthy landscape at every turn. I couldn't resist capturing countless photos to cherish the beauty forever.

What truly stood out was the peacefulness and serenity of September in Colorado. Compared to the bustling summer months, the crowds were significantly smaller, allowing me to enjoy the attractions, trails, and scenic drives at my own pace. It felt like I had the mountains all to myself, creating a sense of tranquility that rejuvenated my spirit.

I also had the chance to immerse myself in the local culture through the monthly festivals and events. From sipping traditional German beers at the lively Oktoberfest celebrations to attending live music performances and exploring art exhibits, I deeply connected to Colorado's vibrant arts and entertainment scene.

The affordability of travel during September was a bonus. Accommodations, activities, and dining options were more budget-friendly than during peak tourist seasons. I could stretch my travel budget further and indulge in some of the region's renowned culinary delights without breaking the bank.


My September adventure in Colorado was a feast for the senses. From the breathtaking landscapes adorned with fall colors to the tranquil outdoor experiences and vibrant cultural events, every moment was filled with awe and wonder. I left with cherished memories, a camera full of stunning photos, and a longing to return to this great state.

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