2 periods uughhh!???

Maribel

So... basically i had sex everyday in the month of june and july my last day when i had sex was on a sunday... Tuesday 16 of july i got my “period” it was to light and it last 5 days my normal period its 7 days because im irregular

But for a reason i got another period on july 30??? Is it normal for me to get 2 periods on the same month? That one is to light and the second to heavy?