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Home / Crystals by month / September

Crystals by month

Crystals for September

September's birthstone is sapphire. The month is shared by Virgo and Libra, holds the festival of Mabon, and its full moon is traditionally the Corn Moon.

Birthstones

Sapphire is blue corundum. Lapis lazuli is the traditional deep-blue alternative, and sodalite looks similar at a gentler price.

More on September's birthstone.

Virgo stones (23 August – 22 September)

Crystal tradition links Virgo with Moss agate, Amazonite, Peridot, Dalmatian jasper and Chrysocolla. Full Virgo crystal guide.

Libra stones (23 September – 22 October)

Crystal tradition links Libra with Rose quartz, Lepidolite, Opal, Tourmaline and Ametrine. Full Libra crystal guide.

Stones for Mabon

Many people decorate a seasonal altar for Mabon with Smoky quartz, Amber and Tiger's eye. See the Wheel of the Year.

The Corn Moon

September's full moon is the Corn Moon, named for the corn harvest. The full moon nearest the autumn equinox is the Harvest Moon, which may fall in September or early October. Full moon names.

All September stones

Lapis lazuli, Sodalite, Kyanite, Moss agate, Amazonite, Peridot, Rose quartz, Lepidolite, Opal, Smoky quartz, Amber and Tiger's eye.

September stones in the shop

Questions answered

What crystal is for September?

Sapphire is the September birthstone; Virgo stones include Moss agate and Amazonite; Libra stones include Rose quartz and Lepidolite.

What is a good crystal gift for a September birthday?

A sapphire piece, or the stone of their star sign.

Ask Starseed

Answers come from our own guides, FAQs and shop pages. Traditions are shared for interest, not as advice.

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Updated 2026-10-30. Starseed UK describes spiritual uses as tradition and belief, never as health, medical or financial advice. Plain-text version · Home