As a temporary measure you should be ok. Ensure that you have the radio code to re-input if you have a radio cd of the type that needs it. There may be instructions in your owners manual about disconnecting and reconnecting your battery.
If the car is more than 6 or 7 years old then you may be better off giving it a new battery now. The impending cooler mornings as autumn approaches will sort out those batteries reaching the end of their life.
ChicksFan
August 2011