To get ahead of Christmas financially, help spread the cost of the festive season by putting away a certain amount of money per week. You could either transfer it straight into your savings account, or relive your youth and put actual cash into a piggy bank/old jam jar.
The earlier you start this the better, naturally, but you can tailor it to your specific situation by working out how much you need for gifts, food, travel, nights out etc, and then divide that by the number of weeks left. Making a list and setting a budget will help you feel in control.