Late summer sunsets.
Red Sky at Night, Sailors' Delight Meaning
Definition: If the sky is red at night, there will be good weather the next day. However, if the sky is red in the morning, there will be bad weather later in the day. The full expression is red sky at night, sailor's delight; red sky in the morning, sailors take warning.
Source: https://writingexplained.org/idiom-dictionary/red-sky-at-night-sailors-delight
