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Woman Surfing in check bikini
Surf bikinis that stay on

From Earth Collaboration

Woman in a blue bikini and visor standing on a beach with mountains in the background
Nineties Blue Collection

Sporty but Make it Fun

woman running with surfboard
Designed from Ocean to Mountain

Wild Rye Collaboration

NEW IN SPRING 2026

Maya Marfa Check Print Top

Regular price $88.00 USD
Sale price Regular price

Atoll Emerald Green Top

Regular price $86.00 USD
Sale price Regular price

Isla Black One Piece

Regular price $178.00 USD
Sale price Regular price

Moana Ocean Blue Top

Regular price $86.00 USD
Sale price Regular price
Person surfing on a wave
Women's Surf Swimwear

DESIGNED TO MOVE WITH YOU.

We are on a mission to empower women through movement, community and conscious choice.

When you feel good in what you're wearing, you show up differently. You go harder, stay longer, say yes more often. That's what SEPTEMBER is built for.

We design swimwear for women who don't separate their style from their strength. Pieces made to move with you, from the beach to wherever the day takes you. Every decision we make, from the fabrics we source to the factory we work with, is rooted in doing things the right way.

Because the ocean deserves it. And so do you.

Learn More About Us