The check is void unless it is cashed within 30 days. So you cannot cash this check. For the date on the check

① The check is void unless it is cashed within 30 days. 

② So you cannot cash this check. 

③ For the date on the check is September 2, and it is now October 8. 

④ The date on check is now void. 

⑤ You cannot cash a check which is void.