September is serving up a buffet of South Indian films and series on OTT, and honestly, this line-up will make you want to cancel every plan that doesn’t involve your sofa and snacks. From Rajinikanth’s larger-than-life comeback to thrillers that will have you second-guessing every shadow, there’s something for everyone this month. So, here is the full list of September 2025 South Indian OTT releases.

September 2025 Malayalam OTT releases

1. Kammattam

Inspired by a real-life financial scam in Thrissur, this series dives headfirst into the murky world of corruption and deceit. Inspector Antonio George stumbles upon what seems like a simple accident, only to find layers of a sinister conspiracy. Expect slow-burn tension, shocking twists, and a plot that mirrors reality uncomfortably well.

When to watch: September 4

Where to watch: Zee5

2. Kadhikan

This one’s a tender drama that tugs at your heartstrings without being too heavy. Set in the 1980s, Kadhikan tells the story of a famous storyteller who works at the sawmill to make ends meet. When a boy living in a juvenile home reaches out to learn storytelling from him, it makes him fall in love with the art again.

When to watch: September 4

Where to watch: ManoramaMAX

3. Flask

If you like your humour with a pinch of darkness, Flask is going to be your jam. Maoist rebels kidnap a judge and his security guard. How their relationship changes in this captivity and how they figure their way out makes for a fun watch.

When to watch: September 4

Where to watch: ManoramaMAX

4. Meesha

Dark, moody, and atmospheric, Meesha thrives on keeping you on the edge. When a group of men are trapped in a life-or-death situation in a forest, they have to fight nature, each other, and their own selves to survive.

When to watch: September 12

Where to watch: Sun NXT

5. Najuss

Set against the backdrop of a rural Muslim community, Najuss explores the debate between humanity and religion. Moosa, a madrasa teacher, decides to look after a stray dog. This decision faces resistance from the community as it considers dogs to be impure. The movie narrates a tale of love, isolation, and resistance beautifully.

When to watch: September 4

Where to watch: ManoramaMAX

6. Footage

One of the first few found footage style movies in Malayalam cinema, Footage traces the life of a vlogger couple who record everything, from their uneventful days to their intimate nights. With a habit of recording everything and prying on others’ lives, they start chasing a mysterious woman for content. With its found footage style storytelling, it’s eerie, gripping, and disturbingly real.

When to watch: September 5

Where to watch: Sun NXT

September 2025 Tamil OTT releases

1. Coolie

Rajinikanth is back, and this time he’s not alone — Nagarjuna and Shruti Haasan join him in this high-octane action film. Deva is a retired gold smuggler, but he wants to regain his power and glory by bringing together his former gang. However, this journey isn’t easy, and he is met with some grave consequences.

When to watch: September 11

Where to watch: Prime Video

2. House Mates

This one is part horror, part thriller. When a newly married couple moves into an apartment inhabited by someone else before, they start to experience strange things. But when they assume that their house might be haunted, a shocking truth reveals itself.

When to watch: To be announced

Where to watch: Zee5

September 2025 Kannada OTT releases

1. Ekka

If you’re craving raw, high-intensity action, Ekka is your fix. A gangster decides to seek vengeance on a friend who betrayed him, but as he embarks on that journey, he’s met with unexpected challenges that keep derailing him.

When to watch: To be announced

Where to watch: Zee5

2. Su From So

This Kannada movie swings wildly between laughs and social commentary, and that’s what makes it fun. Ashoka is in love with a local girl, but soon misunderstandings make the villagers believe that Ashoka is possessed by the spirit of a girl named Sulochana. This leads to chaos, laughs, and some thought-provoking instances that will force you to think about how rumours and superstitions affect people.

When to watch: September 5

Where to watch: JioHotstar

September 2025 Telugu OTT releases

1. Kannappa

Kannapa is an epic following the life of a tribal warrior named Thinnadu. Thinnadu is a hardcore atheist; nothing can change his beliefs. But something changes, and he turns into a committed devotee of Vayulinga, a representation of Shiva.

When to watch: September 4

Where to watch: Prime Video

2. OG (They Call Him OG)

OG, starring Pawan Kalyan and Emraan Hashmi, is an action-packed story of a gangster seeking revenge. Ojas Gambheera, Mumbai’s mob boss, returns after a hiatus of 10 years to seek revenge on his rival Omi Bhau. If action is your genre, save OG to your watchlist.

When to watch: To be announced

Where to watch: Netflix

Which of these September 2025 South Indian OTT releases are you excited to stream?

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