EXAMPLES FROM THE WEB FOR AUTUMNAL
Although it was now November, little or no autumnal rains had fallen.
There are a few days in our autumnal season—very few and rare!
Autumnal leaves there are that strew the brooks, in Vallombrosa.
The day was sunny but cold, and there was a feeling of autumnal dampness in the air.
The autumnal brood of females has appeared, and this is their marriage day.
Why is it that no painting of our autumnal foliage has succeeded?
Autumnal ornithology may almost be called a science by itself.
Where autumnal fevers are common they are usually of similar character.
The snow had gone off in a thaw, releasing a multitude of autumnal aromas.
The season was now beginning to wane, and the forest to put on its autumnal glory.
1570s, from Latin autumnalis "pertaining to autumn," from autumnus (see autumn).