Yes, it can be a plural noun. Evening is a time of the day, which may include the late afternoon and the night.
late (with a plural noun) also: afternoons/evenings
In the Evenings Out There was created in 1993.
A Thousand Evenings was created in 2000.
Evenings at Home was created in 1796.
Socialite Evenings was created in 1989.
Ancient Evenings was created in 1983.
Ancient Evenings has 709 pages.
Struga Poetry Evenings happened in 1966.
Struga Poetry Evenings was created in 1962.
Varaždin Baroque Evenings was created in 1971.
The ISBN of Socialite Evenings is 0-14-012267-2.
Evenings on a Farm Near Dikanka was created in 1831.