"Spooky movie nights" are all year round for me, not just in the run-up to Halloween. But since you ask, here are three lists that feature films I'd recommend:

Ten great horror films of the 1970s: https://medium.com/fan-fare/ten-great-horror-films-of-the-1970s-31199da4b358

Ten great non-English language horror films:

https://medium.com/fan-fare/ten-great-non-english-horror-films-75cec73e42bd

Finally, here are seven excellent recent-ish horror films all directed by women:

https://medium.com/fan-fare/the-future-is-female-in-horror-cinema-f5a25a456961