Portsmouth Events in September

Events in September in Portsmouth

Here’s your guide to all the happening concerts, festivals and events in September 2026 in Portsmouth. Catch the best of everything that your city has to offer here. Right from the flea market events to all the festivals; the September 2026 events in Portsmouth is all curated and sorted for you. Get going, buy your tickets and register to all the fun and exciting events already!

Events in September in Portsmouth

Events in September in Portsmouth

Thu, 03 Sep, 2026 - 07:30 PM

Green Day's American Idiot at Seacoast Repertory Theatre

Seacoast Repertory Theatre

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FAQs

What are the top Events in September happening in Portsmouth?

Here are the top Events in September in Portsmouth:

Green Day's American Idiot at Seacoast Repertory Theatre is happening on Thu 03 Sep 2026 from 7:30 PM onwards at Seacoast Repertory Theatre, Portsmouth

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