Although it's not required, buying renters insurance can cover your personal propery during your stay. It can put your mind more at ease if an incident occurs at your lodging. Depending on your renters insurance policy, it can cover cases such as losing a laptop in your rental car during your stay.
The information in this answer is general in nature and is not legal or insurance advice for your specific situation. Policy language varies carrier by carrier; your declarations page is the final word. If you're unsure, call your agent before you need to file.