Starpulse has a great article with the 2009 Fall TV season premier dates.  Some of the highlights (for me at least) are:

Tuesday, Sept 8th – FX – Sons of Anarchy

Monday, Sept 14th – NBC – The Jay Leno Show (more on this later)

Thursday, Sept 17th – Fox – Bones, Fringe

Monday, Sept 21st – The big premier week
Fox – House
NBC – Heroes
CBS – Two and a Half Men, The Big Bang Theory (yea, BBT premiers after TaaHM)

Tuesday, Sept 22nd -  CBS – NCIS, NCIS: Los Angeles

Thursday, Sept 24th
CBS – The Mentalist
ABC – Flash Forward

Friday, Sept 25th
Fox – Dollhouse
CW – Smallville

Sunday, Sept 27th
SHO – Dexter
Fox – Animation Domination (Simpsons, Family Guy, American Dad, Cleveland Show)

Monday, Sept 28th – FOX – Lie to Me

Thursday, Oct 2nd – SyFy – Stargate Universe

Thursday, Oct 15th -  NBC – 30 Rock

Head over to Starpulse to check out the full list and a rundown of the new shows for 2009.  Oh, and did I mention Stargate Universe on October 2nd??

Teaser:

Commercial: