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

Metazoa offers animal kingdom-centric beers like the Fast and the Furriest IPA brewed with Belgian yeast and the autumnal Barktoberfest Märzen. —Bradley Hohulin, IndyStar, 6 Oct. 2025

With its sleek, wedge midsole, signature ‘fang’ toebox, and rich autumnal hues of navy and brown, the design channels a retro ’70s vibe. —Mecca Pryor, Essence, 6 Oct. 2025

Choose from autumnal hues like wine red and army green, or a slate of neutrals. —Emily Weaver, PEOPLE, 6 Oct. 2025

The latest autumnal trend, vintage prep, is all about embracing softened classics like plaid, brass, heirloom finds, vintage linens, and botanical prints. —Lauren Jones, Southern Living, 6 Oct. 2025

Word History

Etymology

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

First Known Use

15th century, in the meaning defined above