These warm, sunny days are perfect for a trip to the beach.
Here the nouns are- i) days ii) trip and iii) beach
Explanation
Noun, a tool or part of speech in the English grammar that defines a name for a particular object or kind of objects like living beings, places or things.
There are singular and plural nouns. Nouns form as a subject, object and complement.
In a single sentence, the chances of having more than 1 noun are high.
Here, days and trips are used as names of things while the beach is defined as the name of the place.