Sunburned Sonnets

Compose a sonnet capturing the beauty and loss associated with the close of summer.

Sonnets, consisting usually of 14 lines, have a strict structure and are renowned for expressing deep feelings and intricate emotions. Your poem could reflect on poignant summer memories, speak of the fading warmth, mourn the encroaching cold, or rejoice in the beauty of change. This prompt invites poets and writers alike to encapsulate complex emotional transitions into a condensed form, exploring the power of poetic expression and the balance of sentiment and structure.