UPDATE 1-David Einhorn's Greenlight Capital down 3.6 pct in September
September 30, 2015 at 19:51 PM EDT
BOSTON, Sept 30 (Reuters) - Hedge fund billionaire David Einhorn's Greenlight Capital fell 3.6 percent in September, leaving it down 16.9 percent for the year to date, two people familiar with the figures said on Wednesday.