Aug 16 (Reuters) -ICE cotton futures extended declines to a more than one-week low on Wednesday pressured by a stronger dollar, with the natural fiber market also keeping a close tab on concerns over a slowdown in top buyer China.

* The most-active December cotton contract CTZ3 fell 0.57 cent, or about 0.7%, to 84.53 cents per lb at 12:45 p.m. EDT (1645 GMT), after earlier touching its lowest since Aug. 8 at 84.41 cents per lb

* Prices were on track to fall for a third straight session, having been pressured by bearish cues from wider equities and commodities markets in the past couple of days.

* The market had a "lot of negativity from the past couple of sessions that seems to be kind of bleeding through today", with some technical support around 84 cents, said Bailey Thomen, risk management consultant at StoneX Group.

* Investors are also "studying some of the recent economic data that we've had, especially out of China. They're going to be a very important buyer for U.S. cotton," Thomen said.

* Traders also positioned for weekly U.S. export numbers due on Thursday, which could offer firmer cues on demand from China and elsewhere. EXP/COT

* The Chinese yuan slipped to a nine-month trough against the dollar as concerns mounted about the extent of China's slowdown. A stronger dollar makes cotton more expensive for overseas buyers. USD/

* Cotton did not find much respite from a slight retreat in oil prices CLc1, LCOc1, which theoretically make cotton-substitute polyester less expensive. O/R

* Weather will also remain in focus, since cotton saw another decrease in overall crop conditions in the U.S. Department of Agriculture's weekly crop progress report, Thomen said.

Reporting by Harshit Verma in Bengaluru; Editing by Pooja Desai