Best Oysters in September

September marks the return of the "R months" — the traditional start of oyster season — and it earns the reputation. As water cools, oysters finish spawning and begin rebuilding their sweet glycogen stores, firming up week by week. Modern farmed oysters were fine all summer, but September is when nearly everything starts tasting great again.

Early fall is a rebuilding month. Oysters that spawned over summer are recovering their plumpness, and by late September most regions are back in form. Menus expand accordingly — this is when raw bars start restoring their full lists.

It is a great month to re-explore varieties you skipped in summer. Warm-water regions rejoin cold-water stalwarts, and the contrast between recently recovered oysters and steady cold-water ones makes for an interesting tasting flight.

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Frequently Asked Questions

Are oysters in season in September?

Yes — September is the traditional opening of oyster season, the first "R month" after summer. As water cools, oysters finish spawning and rapidly regain firmness and sweetness.

Do oysters improve as fall goes on?

Generally yes. After summer spawning, oysters rebuild glycogen stores through fall, growing plumper and sweeter as the water cools toward winter peak condition.

Is September a good month to try new oysters?

It is one of the best. Raw bars expand their lists as more regions come back into condition, so you will see the widest selection since spring.

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