Best Free AI Training Courses for September 2025

They say that fall is a time of transition. Kids go back to classes, leaves fall off trees, and the nights start to draw in.

Fall is also the perfect time to pause and think about your next career move. Maybe you’ve been pondering a new challenge, or maybe you’re keen to add some new strings to your bow. Whatever the case may be, a free AI training course could be the perfect way to get ahead in your career.

With AI this year cementing its reputation as a fixture in the modern workplace, there’s never been a better time to upskill yourself and stay one step ahead of the curve. It’s time to skill up, so why not take a few minutes to browse our list of the best free AI courses for September.

A Gentle Introduction to Generative AI

⌛Length: 44 minutes

Clocking in at under an hour, this entry-level overview is the perfect way to dip your toe in the pool of AI. It comes courtesy of Udemy, which actually has several other free AI courses on offer. A Gentle Introduction will get you up to speed on the fundamentals, exploring the evolution of Gen AI, how systems can be customized, and beginning to look at some practical real-world applications.

With free Udemy courses, you won’t be entitled to a completion certificate, an instructor Q&A, nor direct communication with the course leader. But if you’re happy simply absorbing the content, the learning platform has hundreds of free courses that you can sink your teeth into.

And with an average rating of 4.4/5 from 1,416 reviews (and counting), you could do a lot worse than kicking off your AI journey with A Gentle Introduction.

For more information, and to enroll, head to the course page.

AI Fundamentals for UX

⌛Length: 3 hours

Uxcel heads up this beginner-friendly course on how to take your UX game to the next level by harnessing the power of AI. Per the description, the course will allow you to:

“Explore AI concepts, principles, and practices essential for creating human-centered, trustworthy AI-powered experiences.”

And all without spending a dime!

Led by ex-Google UX Researcher, Dr Slava Polonski, the course will arm you with the knowhow to design effectively in the age of AI, including how to distinguish between human and AI interfaces, developing AI literacy, and creating responsible AI experiences.

Made up of 12 lessons across 4 levels, AI Fundamentals is an absolute must for any budding UX designer with an appetite for AI. Follow this link to find out more and enroll.

Machine Learning Crash Course

⌛Length: self-paced

Google’s Machine Learning Crash Course comprises over 25 lessons and 30 interactive exercises. It’s self-paced, so there’s no need to rush through, and it was originally designed for internal use among Google employees, before being made publicly available. It’s now of the most widely used machine learning (ML) resources in the world.

Covered topics include loss functions, overfitting, neural networks, and more, and the course will suit users with a basic grasp of Python and high school-level math. Complete novices might want to look elsewhere, while advanced coders will likely find the content a little too elementary.

The other thing to note is that the course involves real-world exercises using TensorFlow APIs, which is one of the world’s leading ML and deep learning platforms.

If that sounds of interest to you, why not head to the website to find out more and sign up for yourself?

ChatGPT Prompt Engineering for Developers

⌛Length: 1.5 hours

Led by world-renowned AI authority, Andrew Ng, this free course is a tantalizing prospect for entry-level developers interested in learning from one of the best.

Across nine lessons and seven code examples, you’ll get hands-on practice writing and iterating prompts through the OpenAI API, as well as learning prompt engineering best practices and even building your own custom chatbot.

Knowing the right ChatGPT prompts is the difference between getting the answer you need and an unsatisfactory one. In this course, Andrew Ng will give you all the tools you need to take your AI usage further.

If you’re keen to find out more, head to the website and enroll.

Generative AI for Educators With Gemini

⌛Length: self-paced

Another brilliant opportunity from Google, this course is specifically aimed at educators. The emergence of AI has completely turned the education sector on its head, with teachers everywhere struggling to keep pace with the rapid development of the technology and its implications for learning and assessment.

That’s why Generative AI for Educators is here to provide hands-on, practical experience for teachers across all disciplines. Among other things, you’ll learn how to use AI to save time on mundane everyday tasks, how to personalize instructions for different learning styles and abilities, and how to make your lessons more engaging.

The results speak for themselves: according to the website, 83% of participants expect to save more than two hours per week by using AI tools. At the same time, a further 74% confirmed that they felt confident in their ability to use AI in the classroom.

Find out more and get started by clicking this link.

Staying On Top of AI

There’s no point denying it: in next to no time, AI has completely revolutionized the business world. Everywhere you look, there are stories of companies letting go of employees in order to make room for automation; tech leaders doubling their efforts to make AI a business priority; and the scale of the threat facing white-collar workers across the country.

But rather than getting swallowed up by the turning tide, there are things you can do to put yourself in prime position for the AI upheaval. To begin with, check out our list of courses above to upskill yourself, no matter your level of seniority.

And if you’re keen to take things further, check out our guide to the best AI productivity tools to help you stay one step of the competition.