autumnal

adjective

au·​tum·​nal ȯ-ˈtəm-nəl 

: of, relating to, or characteristic of autumn

autumnal weather

autumnal colors

the autumnal equinox

I am often surprised to see rising amid these trees the rounded tops of apple-trees glowing with red or yellow fruit, in harmony with the autumnal tints of the forest.

—Henry David Thoreau

autumnally

ȯ-ˈtəm-nə-lē 

adverb

These days on the verge of winter were autumnally fair, struck through with warmth until the swift lengthening of the shadows.

—John Updike

Examples of autumnal in a Sentence

Recent Examples on the Web

These books are ready to round out your autumnal reading and include Haruki Murakami's first book in years and a departure from romantasy by Rebecca Yarros. —Theara Coleman, theweek, 6 Nov. 2024

Born on TikTok, this is an ideal choice for fall/winter thanks to its cool undertones; deep berry hues offer a hint of blue that adds a head-turning pop to any autumnal beauty look. —Beatrice Zocchi, Vogue, 5 Nov. 2024

Nail polish There is no clearer sign of fall than the transition from a pale pink manicure to one of deep autumnal tones. —Jane Hanson, Forbes, 4 Nov. 2024

Pumpkin Cream Cold Brew + Dark Academia A pumpkin cream cold brew and the dark academia decor trend are a match made in autumnal heaven. —Maria Sabella, Better Homes & Gardens, 1 Nov. 2024

Word History

Etymology

borrowed from Latin autumnālis, from autumnus autumn + -ālis -al entry 1

First Known Use

15th century, in the meaning defined above