Your husband asked the Court for more time to answer the complaint. The Court gave him until October 18 to answer it.
I'm not a North Carolina lawyer so don't take this as legal advice. If you need legal advice, talk to a North Carolina lawyer.
According to what you wrote, the paper you received in the mail from the Court isn't about your September 15 hearing. It's about whether your husband is allowed to have extra time to answer the Complaint.
Your court date remains the same. He just has more time to file an Answer to your Complaint. It may be that he shows up on the 15th of September and asks for another continuance on the grounds that his time to file an answer has not yet expired.
If you don't have an attorney, get one.
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