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Women's Surf Swimwear | Designed to Stay On

Journal

Woman sitting at the beach

2025 Holiday Gift Guide for Surfers and Wellness Lovers

Woman wearing a SEPTEMBER swimsuit she purchased 4 years ago, standing by the sea — timeless, sustainable swimwear that lasts.

3+ Years Later: The True Value of Timeless Swimwear

Most swimwear lasts one summer. SEPTEMBER suits are different — designed for longevity, made with recycled Italian fabric, and trusted by surfers for over 3 years (and counting). Discover why timeless swimwear is the smartest, most sustainable choice you can make.

SEPTEMBER Alaia

Erika & Nat chat about the SEPTEMBER x Alaia collaboration

Erika and Nat discuss the SEPTEMBER x Alaia Mentawai collaboration, sharing their creative journey and what inspired the collection. 

Aerial image of the ocean

Cold-Water Surfing: Why Winter Waves Are Worth It

Discover why winter waves are always worth it—our top tips for staying warm, making every chilly surf session unforgettable, and enjoying those post-surf moments. 🍵

Discover SEPTEMBER Sustainable Swimwear's Story with Founder Erika in Bali

Discover SEPTEMBER's Story with Erika in Bali

Join us as founder Erika shares the story behind SEPTEMBER. In this exclusive video filmed in Bali, Erika discusses her journey, the brand's core values of confidence and sustainability, and how SEPTEMBER redefines swimwear for the modern woman.