Charity auctions go online in September to raise funds for good causes. A few of the high-profile auctions this month:

Clothes Off Our Back: Cure Autism Now
Following the TV Emmy awards on television, the "Clothes Off Our Back" charity AuctionBytes.com kicks off showcasing Emmy nominees’ designer formal wear worn at the awards show. The auction benefits Cure Autism Now, one of the largest private funder of autism research; and Union of Concerned Scientists, a nonprofit partnership of scientists and citizens to achieve practical environmental solutions. The charity started Sunday evening and runs for 10 days. http://www.clothesoffourback.com/pr0918.html

NBC All Star: The Children's Inn at NIH
The NBC All Star Charity Auction features an assortment of items from NBC Shows including walk-on roles for "Will & Grace," "Frasier" and "ER." In addition there will be autographed scripts, props and special behind-the-scenes opportunities from every NBC related show. The third annual NBC All Star Charity Auction kicked off last week at shopnbc.com and benefits The Children's Inn at NIH. http://auctions.shopnbc.com/special/charity.htm

SpongeBob SquarePants: Elizabeth Glaser Pediatric AIDS Foundation
Nickelodeon and the Elizabeth Glaser Pediatric AIDS Foundation partner for Designer SquarePants, a flood of SpongeBob SquarePants-inspired activities to raise funds for pediatric AIDS research. Events include a fashion show of designer-created "squarepants," which will be put up for auction on eBay from September 19 – 30. All of the proceeds will benefit the Elizabeth Glaser Pediatric AIDS Foundation. http://www.eBay.com/spongebobauction