The lyrics evoke a potent sense of nostalgia, painting a picture of summer as a distinct, almost sentient entity. It's not just a season, but a feeling, a memory that 'knows' things. The absence of a specific narrator or direct action suggests this is a reflection on a past experience, a wistful recollection of a time that has passed. The dominant tone is one of gentle melancholy, a bittersweet acknowledgment of fleeting moments.