Family Day is an annual tradition and an opportunity for families to join their students on campus for a day of activities. Come and cheer on the Boilermakers football team as they take on Northern Illinois. Save the date - September 28, 2013. Family Day is also Homecoming Weekend, which means there will be a lot going on around campus, but local hotel rooms will fill fast. Single-game tickets will go on sale to the general public on July 23 and will be available on the Purdue Intercollegiate Athletics website. You can find information about lodging on the Visit Lafayette - West Lafayette website.