Sweater weather may be synonymous with fall, and yet we can’t help but shop for cozy, soft, effortlessly chic dresses right now. Go figure. To feed our autumnal obsession, we’re creeping on over to Amazon, where the styles are high-end but the prices are impressively low, and it’s all thanks to its annual Prime Big Deal Days sale. With so many fall dresses marked down right now, it may be hard to choose just one — we don’t blame you. During Amazon October Prime Day, happening October 6 and 7, you can save big on warm-hued maxis, trendy denim vest minis, snuggly sweater dresses and more, starti...