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
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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] .