Upcoming hackathons in September 2026

Every hackathon with a deadline in September 2026, read live from the platforms they run on. Free to browse, no account needed.

103 open now · 915 across the whole index · refreshed 27 Sept 2026

LAST CALLCLOSES TODAY
Zero Origin
RotaractClub of SNSCollege of Technology · Online · ₹2,500
OPEN →
LAST CALLCLOSES TODAY
Graphiques Innovation Challenge
Hack Club · Online · Free
OPEN →
LAST CALLCLOSES TODAY
Data Wars
SRM Institute of Science & Technology, Trichy · Offline · Tiruchirappalli · ₹18K
OPEN →
LAST CALLCLOSES TODAY
Build Your Fest Stall: Brand It, Pitch It, Launch It
SkyThink Tech · Online · ₹49K
OPEN →
LAST CALLCLOSES TODAY
AI Quest: Beyond the Wrapper
HiDevs · Online · Free
OPEN →
LAST CALLCLOSES TODAY
Epoch 1.0
CodeAI Club, K. J. Somaiya Institue of Technology · Offline · Sion Mumbai · Paid entry
OPEN →
LAST CALLCLOSES TODAY
Build For Bharat 2.0
Chandigarh University (CU), Ajitgarh, Punjab · Offline · Morinda · Paid entry
OPEN →
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HackCelestial 3.0
Pillai University, Navi Mumbai · Offline · Navi Mumbai · ₹1.5L
OPEN →
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IDEAForge 2026 – From Problems to Possibilities | Online Ideathon
Noida Institue of engineering tecnology · Offline · Gautam Buddha Nagar · Free
OPEN →
LAST CALLCLOSES TODAY
Agnitia 2026 : 36 Hours National Level Hackathon
Prestige Institute of Engineering, Management and Research (PIEMR), Indore · Offline · Indore · ₹1.3L
OPEN →
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AI for Foundational Learning Hackathon : ShikshaNext × Anthropic
Listed on Internshala · Online · See listing
OPEN →
LAST CALLCLOSES TODAY
Build for Billions 2026, NITK Surathkal
Listed on Internshala · Online · See listing
OPEN →
LAST CALLCLOSES TODAY
Data Quest 3.0
Vellore Institute of Technology (VIT), Chennai · Offline · Chennai · Free
OPEN →
LAST CALLSHUTS IN 1 DAY
EIC VentureX: Idea To Impact Hackathon
Punjab Engineering College (PEC), Chandigarh · Online · Free
OPEN →
LAST CALLSHUTS IN 1 DAY
Zinnovatio 4.0
Chandigarh University (CU), Ajitgarh, Punjab · Offline · Mohali · Free
OPEN →
LAST CALLSHUTS IN 1 DAY
Conv_Cup '26: FIFA of Bots
Indian Institute of Technology, Indian School of Mines (IIT ISM), Dhanbad · Offline · Dhanbad · ₹11K
OPEN →
LAST CALLSHUTS IN 1 DAY
ABB Accelerator 2026
HackerEarth partner · Online · Free
OPEN →
LAST CALLSHUTS IN 1 DAY
HackWashU Fall AI Build Challenge
HackWashU · Offline · Washington University in St. Louis · Free
OPEN →
LAST CALLSHUTS IN 1 DAY
HackGT 13: Seaside Market
HexLabs · Offline · Klaus Advanced Computing Building · $11,000
OPEN →
LAST CALLSHUTS IN 1 DAY
LexHack 2026
Lexhack · Online · $74,248
OPEN →
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hackUMBC 2026
hackUMBC · Offline · RAC (Retriever Activities Center) · Free
OPEN →
LAST CALLSHUTS IN 1 DAY
Lake Oswego Hacks
Lake Monsters Robotics (frc2635) · Online · $260
OPEN →
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Ascendance Foundry's Hackathon
Ascendence Foundry · Offline · University of Waterloo · $CAD 2,000
OPEN →
LAST CALLSHUTS IN 1 DAY
Recruit Holdings Hackathon “Innovation Cup”
Recruit Holdings Co., Ltd. · Offline · CA, USA · $70,000
OPEN →
LAST CALLSHUTS IN 1 DAY
ShellHacks 2026
init · Offline · Florida International University · $41,750
OPEN →
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Badger Build Fest 2026
Tech Exploration Lab · Offline · Morgridge Hall - Hello World · $11,750
OPEN →
LAST CALLSHUTS IN 1 DAY
2026 CS Club Hackathon
CSC x FUCS · Offline · Adelaide University · Free
OPEN →
LAST CALLSHUTS IN 1 DAY
Bharat Innovation Challenge 2.0
Lovely Professional University · Offline · Lovely Professional University · $10,600
OPEN →
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HackNite
ACM at UC · Offline · University of Cincinnati - Baldwin · Free
OPEN →
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TigerHacks 2026
Mizzou Computing Association · Offline · See listing · $5,200
OPEN →
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Sherubtse Hackathon 2026
Sherubtse College · Offline · Sherubtse College, Kanglung, Bhutan · ₹6,000
OPEN →
LAST CALLSHUTS IN 1 DAY
JacHacks a2Tech
Jaseci Labs · Offline · UMich - Leinweber CS Building · $3,800
OPEN →
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&HACKS XII
W&M ACM · Offline · William and Mary - ISC4 · $800
OPEN →
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Acodemic X G.I.R.L.S. Global SDG Hackathon
Hack Club · Online · $35
OPEN →
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HelloHacks
UBC BizTech · Offline · University of British Columbia (UBC) · $CAD 450
OPEN →
LAST CALLSHUTS IN 1 DAY
DivHacks 2026
Columbia University WiCS · Offline · Columbia University - Alfred Lerner Hall · Free
OPEN →
LAST CALLSHUTS IN 1 DAY
Hack the Hill III
Capital Technology Network · Offline · Learning Crossroads (CRX) - uOttawa · Free
OPEN →
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Shower Hacks
Shower Hacks · Offline · Bay Area · $9,550
OPEN →
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Carolina Data Challenge 2026
Carolina Analytics and Data Science · Offline · UNC Chapel Hill - Sitterson Hall · Free
OPEN →
LAST CALLSHUTS IN 1 DAY
SC Quantathon v3
Clemson Quantum · Offline · Watt Family Innovation Center · $250
OPEN →
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3rd-Web-Hack
TechZap Club · Online · $750
OPEN →
LAST CALLSHUTS IN 1 DAY
Test Flight: Glasswing Ventures AI Hackathon
Glasswing Ventures · Offline · Glasswing Ventures · Free
OPEN →
LAST CALLSHUTS IN 1 DAY
HackMatrix 5.0
PCCOE'S GFG STUDENT CHAPTER · Offline · Pimpri-Chinchwad · ₹70K
OPEN →
LAST CALLSHUTS IN 1 DAY
Hackathon
Jaipur National University (JNU), Jaipur · Offline · Jaipur · ₹20K
OPEN →
LAST CALLSHUTS IN 1 DAY
Datathon 26
Symbiosis University of Applied Sciences (SUAS), Indore, Madhya Pradesh · Offline · Indore · ₹7K
OPEN →
LAST CALLSHUTS IN 1 DAY
BOSS Battle
See listing · Online · Free
OPEN →
LAST CALLSHUTS IN 1 DAY
CodeCraft Hackathon
Pravara Rural Engineering College (PREC), Maharashtra · Offline · Astagaon · ₹30K
OPEN →
LAST CALLSHUTS IN 1 DAY
Kernel Prime'26 - 24 Hour Hackathon
SA Engineering College · Offline · Poonamalle · ₹50K
OPEN →
LAST CALLSHUTS IN 1 DAY
NAVYANTRA 2026 : Build Beyond Boundaries
Listed on Internshala · Online · See listing
OPEN →
LAST CALLSHUTS IN 1 DAY
RRR-A Game Jam
Indian Institute of Technology, Indian School of Mines (IIT ISM), Dhanbad · Offline · Dhanbad · ₹25K
OPEN →
LAST CALLSHUTS IN 1 DAY
The Black-Box Protocol: Stage 03 - System Convergence
TECHhelp4U · Offline · Kurukshetra · ₹2L
OPEN →
LAST CALLSHUTS IN 2 DAYS
CodeSlayer 2.0 2k26
National Institute of Technology (NIT), Delhi · Offline · Delhi · ₹65K
OPEN →
LAST CALLSHUTS IN 2 DAYS
Build Battle
Frontend Arena · Online · Free
OPEN →
LAST CALLSHUTS IN 2 DAYS
Hackwave 3.0
Chameli Devi Group of Institutions · Offline · Indore · ₹1L
OPEN →
LAST CALLSHUTS IN 2 DAYS
Aven Coding Hackathon 2.0
Kartexa · Online · Free
OPEN →
LAST CALLSHUTS IN 2 DAYS
Houston Hackathon 2026
Impact Hub Houston · Offline · Impact Hub Houston @ Ion District · Free
OPEN →
LAST CALLSHUTS IN 2 DAYS
Origin Weekend Fall 2026 (x Replit)
Tiehub · Offline · Los Angeles, CA, USA · $5,000
OPEN →
LAST CALLSHUTS IN 2 DAYS
LUMA Hackathon (September 20th - 28th)
LUMA · Online · Free
OPEN →
LAST CALLSHUTS IN 2 DAYS
ETHGlobal Ethereum Korea One Genesis Build Beyond The Narrative Drtd4
ETHGlobal · Offline · ethereum korea one genesis build beyond the narrative drtd4 · Free
OPEN →
LAST CALLSHUTS IN 2 DAYS
ETHGlobal Ethglobal Happy Hour Kbw 2tnth
ETHGlobal · Offline · ethglobal happy hour kbw 2tnth · Free
OPEN →

Showing the 60 closing soonest of 103 on this list. For the rest, and to filter by date, platform or free entry, the full index has every listing with filters on top.

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Upcoming hackathons in September 2026

Zero Origin

Graphiques Innovation Challenge

Data Wars

Build Your Fest Stall: Brand It, Pitch It, Launch It

AI Quest: Beyond the Wrapper

Epoch 1.0

Build For Bharat 2.0

HackCelestial 3.0

IDEAForge 2026 – From Problems to Possibilities | Online Ideathon

Agnitia 2026 : 36 Hours National Level Hackathon

AI for Foundational Learning Hackathon : ShikshaNext × Anthropic

Build for Billions 2026, NITK Surathkal

Data Quest 3.0

EIC VentureX: Idea To Impact Hackathon

Zinnovatio 4.0

Conv_Cup '26: FIFA of Bots

ABB Accelerator 2026

HackWashU Fall AI Build Challenge

HackGT 13: Seaside Market

LexHack 2026

hackUMBC 2026

Lake Oswego Hacks

Ascendance Foundry's Hackathon

Recruit Holdings Hackathon “Innovation Cup”

ShellHacks 2026

Badger Build Fest 2026

2026 CS Club Hackathon

Bharat Innovation Challenge 2.0

HackNite

TigerHacks 2026

Sherubtse Hackathon 2026

JacHacks a2Tech

&HACKS XII

Acodemic X G.I.R.L.S. Global SDG Hackathon

HelloHacks

DivHacks 2026

Hack the Hill III

Shower Hacks

Carolina Data Challenge 2026

SC Quantathon v3

3rd-Web-Hack

Test Flight: Glasswing Ventures AI Hackathon

HackMatrix 5.0

Hackathon

Datathon 26

BOSS Battle

CodeCraft Hackathon

Kernel Prime'26 - 24 Hour Hackathon

NAVYANTRA 2026 : Build Beyond Boundaries

RRR-A Game Jam

The Black-Box Protocol: Stage 03 - System Convergence

CodeSlayer 2.0 2k26

Build Battle

Hackwave 3.0

Aven Coding Hackathon 2.0

Houston Hackathon 2026

Origin Weekend Fall 2026 (x Replit)

LUMA Hackathon (September 20th - 28th)

ETHGlobal Ethereum Korea One Genesis Build Beyond The Narrative Drtd4

ETHGlobal Ethglobal Happy Hour Kbw 2tnth

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