However, there are some exceptions where the season names might be capitalized:

In these cases, "Autumn" is part of the name, making it a proper noun.

In poetry or creative writing, writers sometimes capitalize seasons to treat them as characters with human qualities [3, 12].

As with any word, if "autumn" starts your sentence, it must be capitalized. Example: " Autumn is my favorite time of year."

While the general rule is to keep it lowercase, there are three specific instances where hitting the "Shift" key is required.

Linguistically, days and months are considered specific "names" for distinct periods of time on a calendar, making them proper nouns [3, 8]. Seasons, however, are viewed as generic descriptions of the weather or ecological state of the year, similar to "equinox" or "solstice," which are also lowercase [4, 6].

The short answer is:

The answer to the question "Is autumn capitalized?" is a clear no in standard writing. "Autumn" is a common noun and should remain lowercase in sentences. The only exceptions are specific and predictable: when it is part of a proper noun (e.g., an event name), a title, or a poetic personification. By understanding this distinction between generic seasons and named entities, writers can use "autumn" correctly and confidently in any context.

This is the "fancy" exception. In creative writing, poetry, or literature, seasons are sometimes personified. Personification is when a non-human thing is given human characteristics or treated as a person. When a season is treated as a name or a character, it becomes a proper noun.