The Roads and Transport Authority confirmed both Red and Green lines will run from 10am to 3am on both days.
Guests can also carry two suitcases plus hand luggage. Previously, Metro passengers could carry only one suitcase along with hand luggage.
It comes as the Dubai Airport, the world’s busiest by international passenger numbers, is gearing up for a surge in visitors.
More than a million passengers are set to pass through the travel hub during this period.
The increase is down to several factors, including the end of summer holidays, recent easing of travel rules to India and the UAE’s removal from the UK’s red list.