Sep
12
Friday, September 12to
Sunday, September 14, 2025
Denver Marriott South at Park Meadows
Lone Tree, CO
62°
The average temperature in Colorado is 62°F in September.
About
Colorado Festival of Horror (COFOH): Monsters will be a fan experience and convention for all things horror, featuring celebrity guests, spooky artists, frightening writers, scary vendors, horror films, cosplay contest, horror tattoo contest, horror trivia, karaoke, drink 'n' draw and so much more delicious creepiness in store.
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Last updated: 2025-09-07
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