Fall transition pushes Susquehanna and Allegheny bass toward baitfish

What's next

Expect the pattern to keep building through the week as surface temperatures continue their seasonal slide. As baitfish concentrate on secondary points and flats adjacent to deeper channel water, largemouth should follow, making the first and last hour of daylight the highest-percentage windows.

The moon moves toward full over the next several days, and the stronger overnight light typically pulls a portion of the bite later into the evening, worth factoring into a weekend trip. Anglers working moving baits over grass edges or baitfish-holding flats are best positioned to capitalize as the transition deepens.

Context

Late September sits squarely in the early fall transition for Pennsylvania's freshwater river systems, the stretch between the summer pattern breaking down and the more predictable cold-water staging that arrives in October. It's a typical, on-schedule shift for the calendar, neither early nor late, and one of the more productive windows of the year as fish feed more aggressively ahead of winter.