September: A month so sweet that Earth, Wind & Fire has a certified bop in its honor. (Then again, I’m biased since it’s also my birthday month.) With fall in full swing, the ninth month of the calendar year brought with it the bonafide return of cozy dressing. (I myself am writing this from the comfort of a teddy fleece hoodie.) But plush layers aren’t the only thing we bought last month, and if you know where this is going, you know what comes next: the R29 Shopping team’s latest installment of monthly under-$100 favorites.