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Colorful hot air balloons at sunrise rally.

Great Prosser Balloon Rally

September 25 - September 27
Crowded street at Harvest Festival with tents.

Harvest Festival

September 25 - September 27

Events for September 27, 2026

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Colorful hot air balloons at sunrise rally.

Great Prosser Balloon Rally

Prosser Airport 15 Nunn Road, Prosser

The 37th annual Great Prosser Balloon Rally will take to the skies September 25-27, 2026, at the Prosser Airport. Early morning launches fill the sky with color as sunrise comes…

Crowded street at Harvest Festival with tents.

Harvest Festival

Downtown Prosser 701 6th Street, Prosser

The last full weekend in September is a busy one in Prosser, with the Great Prosser Balloon Rally and the Harvest Festival all in one weekend from September 25-27. After…

Artist creating vibrant street painting

Street Painting

Downtown Prosser 701 6th Street, Prosser

Join Historic Downtown Prosser association as they host the annual Caren Mercer-Andreesen Street Painting Festival downtown during the annual Harvest Festival. Enjoy watching professional artists create large-scale chalk art pieces,…

Thursday Night Vibes: Wine, Dine & Unwind @ Evergreen Family Wines

September 10 @ 5:00 pm - 8:00 pm

Salsa Night @WIT Cellars

September 10 @ 7:00 pm - 11:00 pm

First Responders Appreciation Day and Music with Ron Larson at Bills Speakeasy

September 11 @ 2:00 pm - 8:00 pm

Food Truck Fridays at Mercer Wine Estates

September 11 @ 5:00 pm - 8:00 pm

Prosser Farmers Market

September 12 @ 8:00 am - 12:00 pm

Yoga + Wine at Airfield Estates

September 12 @ 10:00 am - 12:00 pm

Painted Hills Sunset Dinner in the Vineyard with WIT Cellars

September 12 @ 7:00 pm - 9:00 pm

Yoga Class then Pour me a Glass!

September 13 @ 10:00 am - 11:00 am

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