Us Weekly has affiliate partnerships. We receive compensation when you click on a link and make a purchase. Learn more! If you have a late summer or early fall wedding on your calendar, then you know the pains of finding the right dress to wear to the event. After all, the in-between season is one of the trickiest times to shop for a ceremony-coded outfit; summer dresses can feel too beachy, and full-on fall styles might leave you sweating before cocktail hour even starts. I went searching for wedding guest dresses that live comfortably in the middle for garden ceremonies, countryside affairs, dressy evening receptions and beyond. These 17…