The change in season oftentimes brings widely variable temperatures. Some days September can feel like July. Other days, the chilly winds of October and November make you wish for the heat and humidity of July and August.
While you can't buy your way to speed and endurance, adding a new piece of running gear that makes running more enjoyable may inspire you to train and run more consistently and further into the colder months.
Lightweight, breathable and wicking clothing in a variety of weights and cuts, as well as good shoes and socks are still a must. And brands like The North Face, Pearl Izumi and Darn Tough Vermont have done their part to keep terry cloth headbands and Rocky sweatpants and hoodies a thing of our (tragic) pasts.