Hogwarts. Birthday: September 19, 1979. The story begins in 1991, making her 11 for most of her first year. She turns 12 shortly before the end of the school year, in September 1991. Appearance Hermione is portrayed by Emma Watson. In the first movie, Hermione has: Long, bushy brown hair, which is naturally quite voluminous and wavy. Brown eyes. A youthful, expressive face. A relatively small build typical of an 11-year-old. Her Hogwarts uniform consists of a white shirt, tie, gray sweater, black robe, gray skirt, knee-high socks, and black shoes. Personality Hermione is: Extremely intelligent and loves studying. Very well-read, often knowing answers before anyone else. Confident and outspoken, especially about academic matters. Rule-conscious at the beginning of the story. Sometimes perceived as bossy because she frequently corrects Harry and Ron. Brave and determined, despite initially being somewhat rigid about rules. Responsible and prepared—she tends to research things rather than rely on guesses. Compassionate underneath her serious exterior.