Movie Trailers That Dropped in September 2025
September is always a busy month for new movie trailers. With film festivals running and horror season warming up, studios and streamers lined up their best shots. Some trailers go viral, some build awards buzz, and some just remind us that it’s time to go to the theatres again for a good cinematic experience.
Here’s a look at the trailers that actually caught people’s attention.
1. Kiss of the Spider Woman
Director: Bill Condon
Cast: Jennifer Lopez, Diego Luna, Tonatiuh
The trailer for Kiss of the Spider Woman first appeared in late August, but September is when it really took off. Festival talk and TikTok edits gave it a second life, and suddenly it felt like everyone was sharing it. The style is bold, the music is dramatic, and it’s clearly setting the stage for an awards run.
Most trailers fade within a week. This one stuck around for more than a month, which says a lot.
Why people cared: It became part of the cultural buzz.
2. Swiped
Director: Rachel Lee Goldenberg
Cast: Lily James, Dan Stevens, Myha’la, Jackson White, Ben Schnetzer, Clea DuVall
Hulu’s Swiped leaned into the TIFF launch and went for a slick, phone-ready trailer. It’s a mix of dating-app comedy and thriller, cut in a way that feels made for social media. Fast edits, quick jokes, and just enough mystery to keep you wondering what the movie actually is.
The strategy worked. People shared memes almost immediately, calling it the “worst date ever” trailer. And since the release was only weeks away, the ad doubled as a direct push to watch.
Why people cared: It nailed short-attention-span marketing while still looking fun on a bigger screen.
3. The Long Walk
Director: Francis Lawrence
Cast: Cooper Hoffman, David Jonsson, Garrett Wareing, Judy Greer, Mark Hamill
Stephen King movies always get attention, and The Long Walk trailer didn’t disappoint. It premiered at Fan Expo and showed exactly what fans expected: slow dread, long highways, and the feeling that something awful is always just ahead. Online, the trailer lit up fan debates about which King adaptations are best and whether this one could live up to the book.
Why people cared: It set the mood perfectly and gave fans months of arguments and debates to anticipate the film.
4. Plainclothes
Director: Carmen Emmi
Cast: Tom Blyth, Russell Tovey, Maria Dizzia, Christian Cooke, Gabe Fazio, Amy Forsyth
A festival favorite, Plainclothes went with a stripped-down campaign trailer. The message was simple: this is a thoughtful, heavy drama that wants to be taken seriously. The trailer leaned into silence, slow pacing, and a focus on its characters.
Why people cared: It appealed to the festival crowd — critics, writers, and early adopters who value subtle storytelling and spread the word before the film reaches a wider audience.
5. Adulthood
Director: Alex Winter
Cast: Josh Gad, Kaya Scodelario, Billie Lourd, Anthony Carrigan, Chris Candy
By contrast, Adulthood aimed wider. The festival trailer highlighted cast dynamics, tension, and scenes that play big even in short clips. It’s clearly positioned as the “crowd-pleaser” of the two, while still trying to keep the awards-season vibe alive.
Why people cared: It balanced festival polish with mainstream appeal.
6. The Strangers: Chapter 2
Director: Renny Harlin
Cast: Madelaine Petsch, Gabriel Basso, Ema Horvath (
Horror fans got their fix on September 5 with the teaser for The Strangers: Chapter 2. Within hours, horror Twitter (or X) was breaking down every frame. The franchise has always thrived on mystery, and this teaser fed right into that.
Why people cared: It reminded everyone that simple is often scarier.
Final Take
September’s trailers set the stage. Kiss of the Spider Woman proved that movie trailers can live online far beyond its first week. Swiped showed how streaming platforms can turn a trailer into instant viewing demand. The Long Walk tapped into King’s legacy and reignited fan debates. Plainclothes and Adulthood used festival buzz to position themselves for awards chatter. And The Strangers: Chapter 2 reminded us that sometimes the scariest pitch is also the simplest.
The common thread? Timing. Each release hit exactly when it needed to — whether tied to a festival, a streamer push, or the lead-up to Halloween. In 2025, grabbing attention is harder than ever. These trailers have managed to spark conversations, and that’s the real win.

