The best time to rent in Mobile is definitely in the summer months. During the winter, people tend to want to stay put and enjoy the decent weather enjoyed in Mobile. In the summer, people are ready to leave school and their jobs, and many more places become available to rent.
When you apply for an apartment in Mobile, try to think about what you would look for if you were renting out an apartment that you owned. First of all, think about the type of people you would want to live with, and try to project that image in yourself. You would likely want to live with a quiet, responsible professional, so you need to convince your landlord that that is exactly what you are.
Mobile, like most southern cities, is best navigated by car. However, the public transportation in the city is still quite good. If you're sticking mostly to the downtown area, the MODA trolley system is handy for making short hops around the city center. If you're going outside of that area, the Wave Transit System operates the Mobile public busses that cover the remainder of the city.
The Battleship Memorial Park allows you to tour both an authentic WW II Battleship and Submarine. Mobile considers itself the originator of Mardis Gras celebrations in the U.S., making it an event not to be missed. Seafood and BBQ are two local specialties, and a visit to Old Shell Road should provide plenty of opportunity to sample both.