Terrestrials will still be the name of the game on the Madison. Our favorite flies for this area will be hoppers and beetles, with a smaller dry fly trailing (ants, parachute Adams, or even a good old Griffith’s gnat). The specific patterns I like are a Green Machine dropping a Hi Vis foam Beetle. I will never write a fishing report in September without mentioning streamers. If there is a river with brown trout in September, throw a streamer and you might catch a monster!