Signed lease but No security posit

[Mimi Math]

I signed a lease July 21 for September move-in date and wrote a check for the security deposit I became unemployed August 3 the check for the security deposit bounced I told the apartment management I was not going to be taking the apartment August 21 for September move-in date they requested me to write a letter stating I will not be moving into the apartment to break the lease I did that and I have a section 8 voucher and they made a contract with the housing department they made the contract with the housing department before they had me sign the lease I just got a email from the apartment management that I was going to move into looking for September and October‘s rent but they never got a security deposit from me my housing department for my section 8 canceled on them and I never got the keys I never inspected the apartment but they’re still holding me accountable for those two months September and October now what are my rights