Does all rfe's wil answer before september or it takes time for uscis.

Hello

I A[pplied for H1 in april 2014. i got rfe and i submitted that on august 7th 2013

stil i didnt receive any answer from uscis still it is showing on initial review. can some one tell me does all rfe’s will answer before september or it takes time. i am on regular processing and i finished my cap gap too.