September All Island Blog by Joelle Gillette

Things to Do on Lopez Island in September

Lopez Lineup

  • “Where Water & Land Meet” Opening (Chimera Gallery)Sat Sept 6, 5–7pm. visitsanjuans.com

  • First Saturday Art WalksSat Sept 6 (recurs monthly). visitsanjuans.com

  • Pub Night at the Golf ClubThu Sept 4, 4:30–6:30pm (golf 2pm); every 2 weeks through Oct 2. visitsanjuans.com

  • Lopez Island Farmers MarketSaturdays 10am–2pm through Sept 20 (Lopez Village). visitsanjuans.com

Open in Shoulder Season

September Weather: Lopez

Typical high ~65°F / low ~49°F; around 1.2 in total precip. Layers + a light rain shell are perfect. Time and Date

2025 Outlook (Lopez)

Like the rest of the archipelago, ENSO-neutral favors near-normal early-fall conditions with variable showers. Climate Prediction Center

Things to Do on Orcas Island in September

Events & Weekly Fun

What’s Open

  • Moran State Park is open year-round (lakes, trails, Mount Constitution). Bike access expands mid-Sept. visitsanjuans.com

  • Doe Bay Resort & Retreat operates year-round—a serene fall base with music nights. Doe Bay Resort & Retreat+1

September Weather: Orcas

Around 68–54°F typical; pleasant hiking weather with a light jacket. Weather Spark

2025 Outlook (Orcas)

Early fall signals are modest; plan for seasonal temps and light, scattered showers as patterns shift later in the month. climate.uw.edu

Things to Do on San Juan Island in September

Can’t-Miss September Events

  • First Friday Art Walk (Downtown Friday Harbor)Fri Sept 5, 4–7pm. Walkable galleries + shops. visitsanjuans.com

  • WaterWorks Gallery Showcase (Maria Michaelson & Glenn Hendrick) – Weekly Thu–Sat through Sept 27. visitsanjuans.com

  • SJIMA “Shapeshifters” – Thu–Mon through Sept 15, 11am–5pm. visitsanjuans.com

  • Climb San Juan – Couples NightTuesdays, 5pm–close (recurring through Dec 30). visitsanjuans.com

  • Climb San Juan – Youth ClassesMon–Wed, 3:30–5:00pm (recurring through Dec 31). visitsanjuans.com

  • San Juan Building Association – 4th Annual Golf TournamentFri Sept 12 at San Juan Golf & Tennis Club (9-hole scramble; club calendar confirms date). sjgolfclub.comsanjuanba.com

  • San Juan Island Farmers Market (Brickworks)Saturdays, 9:30am–1:30pm (through Oct). visitsanjuans.com

Still Open (and worth it)

Local Weather: September at a Glance

Average highs trend from ~70°F early month to ~63°F late month; lows near 50°F. Expect increasing clouds later in the month; light rain possible. Weather Spark

2025 Outlook (San Juan Island)

With ENSO-neutral and muted long-range signals, plan for near-normal early-fall weather; any warm spells or drizzly weekends will be short-lived.

Plan Your Stay

Browse our vacation rentals hosted by Greg, Sybil & Katie—perfect bases in town or near parks. 

Things to Do on the San Juan Islands in September

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Why September Shines

Shoulder season means ferries and restaurants are easier, trails are quieter, and humpback season peaks (August–October). Many outfitters and museums run full schedules well into fall.
visitsanjuans.com

Island-wide Highlights (selected dates)

First Friday Art Walk – Friday Harbor: Fri Sept 5, 4–7pm. Stroll galleries and shops downtown.
visitsanjuans.com

Farmers Markets (Saturdays):

  • San Juan Island (Brickworks, Friday Harbor): 9:30am–1:30pm through Oct.
  • Orcas Island (Eastsound Village Green): 10am–2pm, through late Sept.
    visitsanjuans.com
  • Lopez Island (Lopez Village): 10am–2pm, Saturdays through Sept 20.
    visitsanjuans.com

WaterWorks Gallery Showcase (Friday Harbor): Weekly Thu–Sat through Sept 27.
visitsanjuans.com

Doe Bay Artist in Residence sets (Orcas): Select dates in Sept; open to the public.
visitsanjuans.com

SJIMA “Shapeshifters” (Friday Harbor): Open Thu–Mon through Sept 15.
visitsanjuans.com

What’s Open (shoulder season)

  • Whale-watching & kayaking still going strong into October (multiple operators run tours daily). San Juan Island Whale Watching Tours
  • Moran State Park (Orcas) & most county/state parks remain open year-round.
    visitsanjuans.com

Doe Bay Resort & Retreat is open year-round (often calmer in fall).
Doe Bay Resort & Retreat

September Weather Snapshot (Islands overall)

Typical highs in the mid-60s to near 70°F, lows upper-40s to low-50s; rain begins to tick up but stays moderate. (Friday Harbor & Orcas climatology.)
Weather Spark
+1

2025 Seasonal Outlook (Fall)

NOAA’s Climate Prediction Center indicates ENSO-neutral for late summer with modest signals for early fall; state outlooks note limited precipitation predictability for Aug–Oct. Expect near-normal to slightly warmer temps, with variable first fall rains.
Climate Prediction Center
climate.uw.edu

Where to Stay

King Real Estate Group (Windermere SJI)—Greg King, Sybil Mager, and Katie Schmidt—also host island vacation rentals. See Vacation Rentals.

See our island-specific guides for [San Juan], [Orcas], and [Lopez] .

August on Lopez Island:

Relaxation, Art, and Coastal Beauty

Lopez Island is a haven for artists, cyclists, and those seeking serene coastal beauty. Known as the "Friendly Isle," it offers a perfect August getaway.

August Highlights

Favorite Activities

  • Explore Shark Reef Sanctuary
  • Kayak Fisherman Bay
  • Hike Lopez Hill or Iceberg Point

Dreaming of Living the Lopez Life?

See available real estate on Lopez Island →

August on Orcas Island:

Food, Festivals & Outdoor Fun

Orcas Island offers a perfect mix of community charm and natural splendor in August. If you’re drawn to coastal cuisine, forested hikes, and creative arts, Orcas has it all.

Events & Experiences

Things to Do

  • Whale watching from Deer Harbor
  • Kayaking around the outer islets
  • Hiking Mount Constitution or Cascade Falls in Moran State Park
  • Relax at Crescent Beach or Obstruction Pass

Island Favorites

Find Your Place on Orcas Island

Explore homes and land for sale on Orcas Island →

August on San Juan Island, WA:

Events, Eats & Experiences

San Juan Island is alive with color, creativity, and community this August. Whether you love art, music, outdoor recreation, or just soaking up the views, there’s something here for you.

Major August Events

Live Music & Arts

Outdoor Island Life

  • Whale watching from Friday Harbor
  • Kayaking near Lime Kiln or Roche Harbor
  • Know Your Island Walk (Aug 30, Lime Kiln State Park)
  • Hiking, biking, and sunset beach walks

Where to Stay

Find the perfect island retreat: View Airbnbs on San Juan Island →

Interested in Making San Juan Island Home?

See current homes and properties for sale on San Juan Island →

August on the San Juan Islands:

An Overview of Summer Magic

Stormridge - barn view

August is one of the most vibrant and enchanting months to experience the San Juan Islands. With long, sunny days and a full calendar of events, there's something for everyone—whether you're planning a weekend getaway, exploring the islands as a local, or considering making this magical place your permanent home.

Festivals & Events You Can’t Miss

Weekly Markets & Art Walks

Outdoor Adventures

  • Whale watching tours from all major islands
  • Kayaking the coastlines
  • Hiking Lime Kiln State Park, Moran State Park, and Lopez Hill
  • Biking scenic island roads

No matter which island you choose, August is a time to slow down, soak up the natural beauty, and celebrate everything that makes island life unique.

Ready to Explore More?