CREATE TABLE table_4462 ("Outcome" CLOB, "Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Opponent" CLOB, "Score" CLOB)

What surface was the game played on for the September 13, 2009 match?
SELECT "Surface" FROM table_4462 WHERE "Date" = 'september 13, 2009'
SELECT "Surface" FROM "table_4462" WHERE "Date" = 'september 13, 2009'