10 can’t-miss architecture & design events popping up this September in San Francisco, Chicago, Detroit, Atlanta, London, Sydney, Mexico City, Seoul, Copenhagen, and Woodstock

End the summer on a high note and usher in a fun start to the fall season by attending the wide range of events and activities available to the architecture and design community. An assortment of exciting design festivals is taking place in September in cities such as Detroit, Atlanta, Zurich, Paris, Helsinki, Mexico City, San Francisco, Singapore, Sydney, and London.

From the roster of ongoing and upcoming events listed on Bustler, here are our featured picks worth checking out.

Detroit Month of Design 2025 | September 1–30, Detroit

"From September 1-30, 2025, the city transforms into a showcase of cutting-edge design, bringing together creatives, innovators, and visionaries from around the world. Events span every corner of Detroit, all highlighting the creative energy that makes Detroit a UNESCO City of Design. With interactive in-person, outdoor, and virtual experiences, the festival calendar features a wide range of exhibitions, installations, product launches, tours, hands-on workshops, and thought-provoking discussions. This year's calendar features work from over 500 creatives on display at 95 events, making September in Detroit an unforgettable experience."

Festival of Architecture in Spanish (FAE) 2025 | September 4–5, Mexico City

"This September, Mexico City becomes the epicenter of Spanish-speaking architecture with the 2025 Festival of Architecture in Spanish: a two-day international gathering that celebrates contemporary design through dialogue, exploration, and shared experiences. Over two days, leading voices in global architecture gather in some of Mexico’s most iconic modern landmarks, not just to lecture, but to walk through, inhabit, and reflect on these spaces alongside attendees."

Architecture + the City Festival | September 4–25, San Francisco

"At the heart of San Francisco’s design community is the Architecture + the City Festival, an annual, citywide celebration now in its 22nd year. Showcasing the city’s vibrant built environment, the festival features an inspiring lineup of tours, talks, film screenings, youth festival, and special programs including the DIALOGUES Conversation Series. Audiences are invited to explore architecture and design from multiple perspectives, fostering connection, curiosity, and creative exchange across the city."

Bethel Woods Art and Architecture Festival 2025 - BuildFest 2: Peace Rises | September 10–14, Bethel, NY

"Bethel Woods Art and Architecture Festival 2025: Build Fest 2 – Peace Rises will bring together faculty and student teams from universities across the United States to construct interactive wooden art installations on the historic grounds of the 1969 Woodstock festival. Over the course of five days, participants will live and work on-site — where legendary performances by Jimi Hendrix and Joan Baez once took place — spending their days fabricating, assembling, and installing large-scale works, and their evenings immersed in cultural programming, including concerts, exhibitions, and pop-up events."

Sydney Design Week 2025 | September 12–24, Sydney

"Powerhouse has announced the Sydney Design Week 2025 program, presented across the city from 12–24 September. This year’s festival titled ‘Community Design’ places people at the heart of design. Presenting renowned national and international designers whose work creates connection and fosters resilience, through a program of talks, tours and industry workshops. Now in its 29th year, Australia’s longest running design festival continues to bring together the world’s leading architects and designers. This year, the program includes community leaders and creative practitioners across Western Sydney to create a festival that reflects the distinctive contemporary and cultural design of the region."

London Design Festival 2025 | September 13–21, London

"London Design Festival celebrates and promotes our city as the design capital of the world. The 23rd edition will take place on 13–21 September 2025. [...] Celebrating its 22nd anniversary in 2024, London Design Festival is now well into a new decade, celebrating how it has played a key role in the growth of the design industry, bolstering London’s position as a global destination for business, culture and tourism, and contributed to the UK’s reputation as a creative powerhouse. As one of the world’s leading design events, the Festival has also served as the blueprint for design weeks and festivals globally and continues to be a key moment on the cultural calendar."

Copenhagen Architecture Biennial 2025 | September 18 – October 19, Copenhagen

"A new international platform for collaborative architectural exploration will launch with the Copenhagen Architecture Biennial 2025, offering a space for collective engagement with architecture as a vital field shaping our everyday lives, societies, and planetary well-being. By fostering exchanges across time, space, and disciplines, the biennial will focus on architecture's potential to drive positive change amid the accelerating crises of our time. Expanding the understanding of architecture not only within the industry, but also among the public has the power to spark innovative ideas, deeper critical thinking, and inspire action towards a more sustainable and equitable future."

Chicago Architecture Biennial (CAB) 2025: SHIFT: Architecture in Times of Radical Change | September 19 – February 28, Chicago

"This edition of the Biennial brings together over 100 projects by architects, artists, and designers from 30 countries — each engaging with the profound cultural, social, and environmental transformations shaping our world today. From housing and ecology to material innovation, SHIFT invites you to consider: How does architecture impact our world, and how might it help us imagine new possibilities?"

Seoul Biennale of Architecture and Urbanism 2025: Radically More Human | September 26 – November 18, Seoul

"The SBAU aims to explore urban issues of global cities, providing Seoul as a tested to look for alternatives. The structure of the SBAU is composed of few sections: Thematic Exhibition presenting the theme of each edition of the biennale, Cities Exhibition inviting leading public projects carried out by global cities, Global Studios gathering ideas from future architects and urbanists. Also, SBAU invites key actors, such as experts, administrative institutions, and the public, to draw up the future of Seoul through various educational and participatory programs."

Atlanta Design Festival 2025 | September 27 – October 5, Atlanta

"Over the week-long event, Atlanta Design Festival invites the brightest creative leaders and organizations from Atlanta and around the world to host installations, exhibitions, design and architecture tours, film screenings, conference panels and more, to showcase Atlanta as a global powerhouse and innovator of ideas. Highlighting a range of design practices including architecture & product design, digital & tech, marketing & advertising, Atlanta Design Festival welcomes audiences of all kinds to engage, experience, and enrich the cultural capital and creative communities of Atlanta."

Do you have an architecture or design event you want to promote? Submit it to our event calendar via Bustler for review and a potential feature.