Patreon processes payments on the 1st of every month. To payout your balance, head to your payout preferences page.
Here's a visual walkthrough for paying out your balance:
Head to your , then click payout preferences and you can choose the option that works best for you.
If you'd like to have your sent to the payment method you supplied, check the "enable automatic monthly transfers" box. Enabling this will send the money in your account balance to your bank account on the 5th of the month.