What is the September birthstone?
In gemstone tradition, Sapphire is the September birthstone. Sapphire carries the deep blue of twilight, that liminal hour when the sky holds both day and night. Many people born in September also wear alternative stones like Lapis Lazuli and Iolite.
Modern & Traditional
Sapphire
Sapphire carries the deep blue of twilight, that liminal hour when the sky holds both day and night. This stone has been associated with wisdom, royalty, and divine favor across nearly every culture. September's birthstone resonates with the third eye and throat chakras, supporting clear vision and truthful expression. For September-born souls, Sapphire mirrors their natural wisdom and integrity, the ability to see clearly and speak honestly. Lapis Lazuli offers similar third-eye activation with the added dimension of inner truth and self-awareness, while Iolite supports the visionary qualities that September souls carry naturally.
Blue Sapphire Properties
Alternative September Birthstones
More Monthly Birthstones
The Birthstone Reference
Crystal Cassandra's free guide: all three birthstone lists, modern, traditional, and zodiac, set side by side with the disagreements marked, and how to choose the right list when the stone is a gift.
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