Decipher the logic and find the number for September.

Question

Here is a list showing the month and a number for each

January 73
February 83
March 51
April 52
May 31
June 42
July 41
August 63

Decipher the logic and find the number for September.

Answer 1

1st digit is number of letters and 2nd digit is number of vowels.
So the number for September is 93 since the word September has 9 letters and it contains 3 vowels.

Answer 2

93
9 - No of letters in the Month

3- no of vowels in the word

Answer 3

September 9 3
9 is the number of letters and 3 is no. of vowels on the month