All Tucson events

Things to Do in Tucson in September 2026

1 upcoming event in Tucson this September. Summer in the Valley is hot (often triple digits) — aim for early-morning, evening, and indoor/air-conditioned events.

Tucson Gem & Mineral Showcase (Fall)

CommunitySep 3, 2026

Tucson Gem & Mineral Showcase (Fall)

The fall edition of the world's largest gem, mineral & fossil showcase.

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