at how many weeks???

For all my c section mommies at how many weeks is the big day???? I'm wondering because I'm due on sept 16 but because of an accident I had five ago I can't have a natural birth 😔 so I'm going to have a c section, I'm currently 11 weeks. Right now I'm getting my check ups done in Mexico because I want my husband to see as well. For next month I'm going to Cali to get everything done there from then on. Don't judge pls I have my reasons.