Things to Do in Barrie in September
September weather, activities, events & insider tips
September Weather in Barrie
Is September Right for You?
Advantages
- Peak fall foliage around September 20-30 - maple and oak trees create spectacular golden corridors along the waterfront trail without summer crowds
- Perfect hiking weather with daytime highs of 21°C (69°F) and cool 10°C (50°F) mornings - ideal for Scenic Caves Nature Reserve's 2 km (1.2 mile) suspension bridge trail
- Lake Simcoe water temperature still warm from summer (18-20°C/64-68°F) making it excellent for final season swimming and water sports before winter closure
- Harvest season brings apple picking at local orchards, craft beer festivals, and farmers markets with peak seasonal produce at 30-40% lower prices than summer tourist season
Considerations
- Unpredictable weather requiring layered clothing - temperatures can swing 15°C (27°F) between morning and afternoon, with sudden rain showers lasting 30-45 minutes
- Some seasonal attractions begin closing after Labour Day weekend - beach facilities, outdoor patios, and boat rentals have reduced hours or close entirely by month's end
- Limited daylight for outdoor activities - sunset moves from 7:30pm to 6:45pm throughout September, cutting evening activity time short
Best Activities in September
Scenic Caves Nature Reserve Hiking
September offers ideal hiking conditions with crisp mornings and warm afternoons, plus early fall colors starting to emerge. The 2 km (1.2 mile) suspension bridge trail and ice caves stay comfortable even on warmer days due to natural cooling. Avoid summer's 32°C (90°F) heat and winter closures.
Lake Simcoe Waterfront Activities
Take advantage of still-warm lake temperatures (18-20°C/64-68°F) for swimming, kayaking, and paddleboarding before facilities close in early October. September's lower humidity makes lakeside cycling along the 9 km (5.6 mile) waterfront trail particularly enjoyable.
Muskoka Region Fall Foliage Tours
Peak color change occurs September 20-30 in areas 45 minutes north of Barrie. Cooler nights (5-8°C/41-46°F) and warm days create optimal conditions for vibrant reds and golds. September offers clear visibility before October's frequent fog.
Georgian Bay Islands National Park
September's stable weather patterns provide excellent conditions for island hopping with fewer bugs than summer months. Ferry services still operate daily but begin reducing frequency after September 15th. Cooler temperatures make the 3 km (1.9 mile) Fairy Trail hike more comfortable.
Local Harvest Experiences
Apple picking season peaks mid-September with over 12 varieties ready for harvest. Local orchards offer u-pick options at CAD 3-5 per pound, 40% less than grocery store prices. Combine with craft brewery tours featuring seasonal ales made from local ingredients.
Blue Mountain Resort Activities
September offers perfect weather for scenic chairlift rides (typically 5°C/9°F cooler at summit) and mountain biking without summer's oppressive heat. Fall colors begin appearing at higher elevations first, providing preview of peak foliage season.
September Events & Festivals
Barrie Waterfront Festival
Annual celebration featuring local artisans, food vendors, and live music along Kempenfelt Bay. Family-friendly activities include canoe demos and historical displays. Free admission with paid parking CAD 10 per day.
Muskoka Autumn Studio Tour
Self-guided driving tour of 40+ artist studios throughout Muskoka region. Purchase CAD 10 guidebook at participating locations or Barrie visitor center. Many studios offer demonstrations and refreshments.