“Where Water & Land Meet” Opening (Chimera Gallery) – Sat Sept 6, 5–7pm. visitsanjuans.com
First Saturday Art Walks – Sat Sept 6 (recurs monthly). visitsanjuans.com
Pub Night at the Golf Club – Thu Sept 4, 4:30–6:30pm (golf 2pm); every 2 weeks through Oct 2. visitsanjuans.com
Lopez Island Farmers Market – Saturdays 10am–2pm through Sept 20 (Lopez Village). visitsanjuans.com
Wineries and tasting rooms pop up at the market (e.g., Lopez Island Vineyards). lopezislandvineyards.com
Typical high ~65°F / low ~49°F; around 1.2 in total precip. Layers + a light rain shell are perfect. Time and Date
Like the rest of the archipelago, ENSO-neutral favors near-normal early-fall conditions with variable showers. Climate Prediction Center
Tuesday Night Scrambles (Orcas Island Golf Course) – Tuesdays at 5pm through Sept 30. Drop-in friendly. visitsanjuans.com
Friday Night FootGolf – Fridays at 5pm through Sept. visitsanjuans.com
Orcas Island Farmers Market (Eastsound Village Green) – Saturdays 10am–2pm, through late September. Orcas Island Farmers Marketvisitsanjuans.com
Doe Bay Artist in Residence – Select September dates; open-to-public sets. visitsanjuans.com
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
Around 68–54°F typical; pleasant hiking weather with a light jacket. Weather Spark
Early fall signals are modest; plan for seasonal temps and light, scattered showers as patterns shift later in the month. climate.uw.edu
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 Night – Tuesdays, 5pm–close (recurring through Dec 30). visitsanjuans.com
Climb San Juan – Youth Classes – Mon–Wed, 3:30–5:00pm (recurring through Dec 31). visitsanjuans.com
San Juan Building Association – 4th Annual Golf Tournament – Fri 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
Whale watching: Daily tours continue; peak humpback sightings run Aug–Oct. visitsanjuans.com
Kayak tours: Discovery Sea Kayaks & others operate September outings. Discovery Sea Kayaksvisitsanjuans.com
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
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.
Browse our vacation rentals hosted by Greg, Sybil & Katie—perfect bases in town or near parks.
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):
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)
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
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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] .
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.
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.
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.
Find the perfect island retreat: View Airbnbs on San Juan Island →
See current homes and properties for sale on San Juan Island →
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.
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.