When a season's name is part of a specific event, holiday, or period, or is used at the beginning of a sentence, it is capitalized. For instance:
If you are writing a title (for a blog post, an essay, or an email subject line), standard Title Case rules dictate that you capitalize the principal words. In this context, "Autumn" becomes a proper noun simply because of where it sits. does autumn need a capital letter
I can’t wait for the warm sweaters of Autumn . Correct: I can’t wait for the warm sweaters of autumn . When a season's name is part of a
If you are writing poetry or a highly creative piece where you treat the season like a person or a character, you capitalize it. This is called personification. I can’t wait for the warm sweaters of Autumn
There is one final trick that confuses many people: