Autumnal in a Sentence 

Definition of Autumnal  

related to autumn (fall) season

Examples of Autumnal in a sentence

Because fall leaves are often orange and red, these colors are considered autumnal hues.  
The birds build autumnal nests every fall and stay in them throughout the months of September through November.  
Because it is an autumnal festival, the annual harvest fest is held every year at the pumpkin patch.  

Other words in the Calendar category:

Most Searched Words (with Video)