Top Substack newsletters today: September 15, 2026
Seedy19 leads 10 Substack newsletters on September 15, 2026. Hyperaware publishes the free-tier cut (top 10, delayed about 24 hours). 4 of the published top 10 are new versus the prior day; 6 hold over by exact title.
Top 10 Substack newsletters
Seedy19
TriziaZu STORIES
The Style Edit
Kelly Brown | THE EDIT
Jingles Labs
Intentional Luxury Bish
Behind the Suite
Shield of the Republic
Aimee Song
A Delicate Reader
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These ranks are the Hyperaware free snapshot for September 15, 2026: top 10 only, delayed about 24 hours. Agents can pull the same board with a free API key, or go Pro for live full-depth ranks.