Ah, September. The days are getting shorter, and crisp mornings remind us that autumn is quickly approaching. It’s streamer season for trout anglers in the Northern Hemisphere, and it’s time to prepare your fly box accordingly. If you’re unsure which streamer patterns to load up on this fall – you’re not alone. Streamer selection can be one of the most confusing topics for new and even veteran anglers. Luckily, this article is just for you. Below, we’ll discuss some of our favorite streamer patterns for September, why we like them, and when you should fish them. Like any fly selection, there isn’t a one-size-fits-all approach to streamers, so read on to learn about some of the most effective streamer patterns for fall trout fishing.