Solve this: Puzzle.

Here is a list showing the month and a number for each month .
☝January 713
☝February 823
☝March 531
☝ April 542
☝May 351
☝June 462
☝July 471
☝ August 683

Decipher the logic and find the number for September = ?

Challenge is O P E N for all GENIUS

Please support yöür answer by logic



Answer is 993 because First number is number of letters in the month name, thus for september it will be 9
Second number is month number, i.e. it is 9th month of the year
Third number is number of number of vowels present in the month name, for september, vowels are eee, thus it will be 3.