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

Rowan Bucket Bag Nothing says autumnal fashion like suede, and this bag is the perfect companion for any fall festivities. —Melony Forcier, Travel + Leisure, 31 Oct. 2025

With a fresh sourdough breadcrumb topping, this creamy sweet potato side satisfies stuffing urges, mingling nicely with roast poultry and other autumnal sides, while channeling that classic casserole flavor. —Rebecca Firkser, Bon Appetit Magazine, 31 Oct. 2025

The cozy piece marked an ideal autumnal staple, with a multifaceted design for dressing up or dressing down, depending on the occasion. —Julia Teti, Footwear News, 31 Oct. 2025

These songs are essential for the spooky season, ranging from truly terrifying to autumnal and nostalgic. —NPR, 31 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