Top 10 Things to Do in Treasure Valley, Idaho in September 2025
Why September Is a Hidden Gem Month in Idaho
It’s still sunny, but the edge is off the heat. The kids are back in school. The trails are quieter, the vineyards are buzzing with harvest energy, and the calendar is packed with events before the cold sets in. If you’ve just moved to the Treasure Valley—or you’re visiting to scout out a future relocation—September is one of the best months to experience the Idaho lifestyle.
Here are 10 can’t-miss things to do in the Treasure Valley this September.
1. Lowe Family Farmstead
When:
Opens September 13, 2025
Where:
2500 South Eagle Road, Kuna, ID 83634
This family favorite marks the official kickoff to fall fun in the Treasure Valley. From Idaho’s original corn maze to pumpkin patches, hayrides, and farm-style treats, Lowe Family Farmstead is a must-visit.
Whether you’re wrangling littles through the kiddie cow train or racing friends through the corn maze, it’s impossible not to leave smiling. Bonus: their fresh donuts and cider slushies are fall staples you don’t want to miss.
2. Spirit of Boise Balloon Classic
When:
September 3–7, 2025
Where:
Ann Morrison Park, Boise
Wake up early, bring a blanket and coffee, and watch dozens of colorful hot air balloons take flight during this iconic annual event. The Friday night Night Glow is especially magical for families and photographers.
3. Hyde Park Street Fair
When:
September 13–15, 2025
Where:
Camel’s Back Park, North End Boise
This funky, artsy street fair in the heart of the North End offers live music, craft booths, local food vendors, and a true Boise vibe. It’s a longtime community favorite with something for all ages.
4. Sunnyslope Wine Trail Harvest Season
When:
All month long
Where:
Caldwell, ID (Sunnyslope Region)
September is prime time to visit Idaho wine country. Many vineyards host live music, grape stomping events, and harvest celebrations throughout the month.
Don’t miss stops like Koenig Vineyards, Ste. Chapelle, and Williamson Orchards for tastings with sweeping vineyard views.
5. Boise Farmers Market & Capital City Public Market
When:
Saturdays through September
Where:
Downtown Boise
These twin markets offer everything from fresh local produce to handmade goods, baked treats, and live music. It’s one of the best ways to start a Saturday morning in Boise.
Boise Farmers Market
Capital City Public Market
6. Hike or Bike in the Boise Foothills
Where: Hulls Gulch, Stack Rock, or Table Rock
Cooler September temperatures make this the best time of year to explore the foothills. Whether you’re after an early morning bike ride or a sunset hike, the trails offer sweeping views and peaceful escapes just minutes from downtown.
7. Boise Fall Festival
When:
Saturday, September 13, 2025
Where:
Expo Idaho, Boise
The Boise Fall Festival is a free, family-friendly celebration of the season. Expect artisan vendors, live music, pumpkin photo-ops, fall-themed food trucks, cider tastings, pony rides, inflatables, and a petting zoo.
It’s a perfect way to immerse yourself in local culture and the spirit of the Treasure Valley.
8. Idaho Shakespeare Festival
When:
Through mid-September
Where:
Idaho Shakespeare Festival Amphitheater, Boise
Catch one of the final performances of the season in one of the most beautiful outdoor theaters in the country. Surrounded by nature, this venue offers a truly unique experience.
Bring a picnic, a blanket, and enjoy a night under the stars.
9. 2nd Annual Nampa Wine & Cider Festival
When:
Friday, September 26, 2025 (6–9 PM)
Where:
Lloyd Square, downtown Nampa
Sip and savor local wines and ciders in a lively downtown setting. This evening event features live music, food trucks, and a relaxed, social atmosphere.
10. Catch a Boise State Broncos Game
When:
Home games throughout September
Where:
Albertsons Stadium, Boise
Football season is back, and there’s no better way to feel the local energy than a Broncos game on the blue turf. Tailgating is big here, and the atmosphere is fun and family-friendly.
Bonus Tip: Book in Advance
Many of these events are extremely popular and fill up fast. If you’re new to the area or planning a visit, check ticket availability, reservations, and parking details early.
Want to Make Treasure Valley Home?
I moved here years ago from San Diego and never looked back. If you’re thinking about relocating to Boise or anywhere in the Treasure Valley, I’d love to help you find the right neighborhood, builder, and home.
Reach out anytime by call, text, or email—and let’s build a plan to make Idaho home.
Curtis Chism
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