.............................Fly Fishing Yellowstone National Park

04/07/09


Planning Your Fly Fishing Trip to Yellowstone - Part 8

September

The month of September is going to bring about another change in the weather.
It is going to start getting cold again at times, even in the lower elevations. The
water in the Madison drainage or the Gibbon River, the Firehole River and the
Madison River itself is going to cool down. By mid September, the rainbows and
browns will begin their run up from Hebgen Lake back into the park. Fishing can
be great in the Madison during the last part of September. The water in the
Firehole River will begin to cool down to the perfect temperature to get the trout
active and feeding again. The lower Gibbon meadows up to the falls will begin to
fill up with browns looking for areas to spawn by the end of September. These
fish will migrate completely through the Madison River to get there.

Streamers and soft hackles will begin to produce in the Madison River and the
Lower Gibbon River.
Baetis mayflies will hatch in the Madison River, Gibbon
River and Firehole River in large numbers. Trout, both rainbows and browns, will
begin to take dry flies well in the upper portion of the Firehole River. The area
around Biscuit Basin is alway good towards the end of September.

The entire park changes from its summer colors into its Fall colors. Tans and
browns replace the greens of Summer. It will probably begin to snow before the
month is over. In the lower elevations it is usually just enough to make things
interesting. The higher elevations can get some decent accumulations before
the month ends. The Bull Elk begin to bugle and collect their herds of ladies
before the month is over. That is a sight to behold. The meadows of the
Madison river will become a show place. Cars will line the pull off areas to watch
the rut of the Elk.

The Gallatin River will cool down and the fishing will pick up. Hatches of
baetis
mayflies will start occurring and dry fly fishing can be great.  The water in the
Gardner River will cool down and the fish will become active again. Before the
month is over large brown trout will begin to move up into the Gardner from the
Yellowstone River to spawn. The fishing in the Yellowstone River itself will begin
to improve over the August Dog Days. The Upper Yellowstone Canyon section
and the Black Canyon Sections will provide good fishing.  

The Northeastern Section of the park, including the Lamar River, Slough Creek
and Soda Butte Creek will continue to fish great throughout the month. The
cutthroats will not be as foolish as they were at the beginning of the season, but
they will still fairly easy to catch if you keep them from seeing you. There can be
some good hatches of Fall Green Drakes and Drake Mackerels during
September in the Lamar drainage area.

The Southwestern corner, or Cascade Corner, will start seeing a big change in
the weather. Fishing will be hit or miss depending on the weather, particularly
near the end of September. All in all, September is a great time to fly fish the
streams of Yellowstone National Park.
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