YES, if you choose the Premium membership option that says "WITH automatic renewal".
You need a PayPal account to choose the automatic renewal option.
If you do not have a PayPal account, choose the Premium option "No automatic renewal"
If you choose "No automatic renewal" you can't switch to an automatic renewal option.
You could let your month run out, then go through the Premium upgrade process again and choose the "WITH automatic renewal" if you have a PayPal account.