Cardigans, fallen leaves, and pumpkin spice, oh my! That's right, folks. Autumn is upon us, which means that it's time to start brainstorming your Halloween costume for all the parties you'll likely miss. ‘Tis the season when we are finally able to stop complaining about the blistering heat, air conditioning that is never strong enough, and that gross garbage smell that seems to spread across every street during the unbearable month that is August. Instead, we can move on, kiss that season good…