Old 01-13-12, 12:07 AM
  #12  
hueyhoolihan
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Originally Posted by spinnaker
... What is the weather like in September?...
i backpacked through that area and Tetons and rest of Wyoming in sept/oct. in yellowstone (where some say there are only three seasons, fall, winter and spring) i encountered eight inch snowfalls and sub 30 degree temps. but not for long. the rest of Wy., once i got over Togwotee Pass was great. of course a much more reliable source of average temps can be found elsewhere on the internet.
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