Will I get a new visa exemption if I return to Thailand on September 28 after leaving for two weeks?

Hello, I have a doubt regarding the visa exemption.I was in Thailand from August 2nd and i left the country after 2 weeks. On my passport the visa validity is until September 29. (60 days visa exemption entry). Now i am planning to come back to thailand on the 28th of September, so will i get a new visa exemption for another 60 days or will I have to exit the country on the 29th of September? someone please help.