Sea Creatures By Month: September Sea Creatures Guide | ACNH - Animal Crossing: New Horizons (Switch)

This page shows all of the sea creatures you can catch in September in Animal Crossing: New Horizons (ACNH), as well as their shadow size, time of day and what months they appear. Check here if you want help to complete your sea creature encyclopedia!

All September Guides
Events Fish Bugs Sea Creatures

Complete List of Sea Creatures

List of September Sea Creatures

September Sea Creatures for Northern Hemisphere

Name Shadow Size Time of Day Sell Price
10 Sea Slug ImageSea Slug Small Shadow SizeSmall Anytime 600
9 Moon Jellyfish ImageMoon Jellyfish Medium Shadow SizeMedium Anytime 600
8 Sea Anemone ImageSea Anemone Large Shadow SizeLarge Anytime 500
7 Slate Pencil Urchin ImageSlate Pencil Urchin Large Shadow SizeLarge 4 PM to 9 AM 2000
6 Sea Urchin ImageSea Urchin Medium Shadow SizeMedium Anytime 1700
5 Sea Star ImageSea Star Medium Shadow SizeMedium Anytime 500
2 Sea Grapes ImageSea Grapes Medium Shadow SizeMedium Anytime 900
39 Flatworm ImageFlatworm Small Shadow SizeSmall 4 PM to 9 AM 200
38 Spotted Garden Eel ImageSpotted Garden Eel Medium Shadow SizeMedium 4 AM to 9 PM 1100
36 Horseshoe Crab ImageHorseshoe Crab Large Shadow SizeLarge 9 PM to 4 AM 1500
35 Giant Isopod ImageGiant Isopod Large Shadow SizeLarge 9 AM to 4 PM |
9 PM to 4 AM
9000
32 Mantis Shrimp ImageMantis Shrimp Medium Shadow SizeMedium 4 PM to 9 AM 2500
31 Sweet Shrimp ImageSweet Shrimp Medium Shadow SizeMedium 4 PM to 9 AM 1400
30 Tiger Prawn ImageTiger Prawn Medium Shadow SizeMedium 4 PM to 9 AM 3000
28 Acorn Barnacle ImageAcorn Barnacle Small Shadow SizeSmall Anytime 600
24 Gazami Crab ImageGazami Crab Large Shadow SizeLarge Anytime 2200
21 Umbrella Octopus ImageUmbrella Octopus Medium Shadow SizeMedium Anytime 6000
20 Octopus ImageOctopus Large Shadow SizeLarge Anytime 1200
19 Chambered Nautilus ImageChambered Nautilus Large Shadow SizeLarge 4 PM to 9 AM 1800
18 Gigas Giant Clam ImageGigas Giant Clam Large Shadow SizeLarge Anytime 15000
17 Abalone ImageAbalone Medium Shadow SizeMedium 4 PM to 9 AM 2000
16 Turban Shell ImageTurban Shell Medium Shadow SizeMedium Anytime 1000
15 Whelk ImageWhelk Medium Shadow SizeMedium Anytime 1000
14 Scallop ImageScallop Large Shadow SizeLarge Anytime 1200
13 Oyster ImageOyster Medium Shadow SizeMedium Anytime 1100
12 Mussel ImageMussel Medium Shadow SizeMedium Anytime 1500
11 Pearl Oyster ImagePearl Oyster Medium Shadow SizeMedium Anytime 2800

September Sea Creatures for Southern Hemisphere

See Southern Hemisphere Sea Creatures
Name Shadow Size Time of Day Sell Price
10 Sea Slug ImageSea Slug Small Shadow SizeSmall Anytime 600
8 Sea Anemone ImageSea Anemone Large Shadow SizeLarge Anytime 500
5 Sea Star ImageSea Star Medium Shadow SizeMedium Anytime 500
3 Sea Cucumber ImageSea Cucumber Large Shadow SizeLarge Anytime 500
1 Seaweed ImageSeaweed Large Shadow SizeLarge Anytime 600
32 Mantis Shrimp ImageMantis Shrimp Medium Shadow SizeMedium 4 PM to 9 AM 2500
29 Spider Crab ImageSpider Crab Large Shadow SizeLarge Anytime 10000
28 Acorn Barnacle ImageAcorn Barnacle Small Shadow SizeSmall Anytime 600
27 Red King Crab ImageRed King Crab Large Shadow SizeLarge Anytime 8000
26 Snow Crab ImageSnow Crab Large Shadow SizeLarge Anytime 6000
25 Dungeness Crab ImageDungeness Crab Large Shadow SizeLarge Anytime 1900
23 Firefly Squid ImageFirefly Squid Small Shadow SizeSmall 9 PM to 4 AM 1400
21 Umbrella Octopus ImageUmbrella Octopus Medium Shadow SizeMedium Anytime 6000
20 Octopus ImageOctopus Large Shadow SizeLarge Anytime 1200
19 Chambered Nautilus ImageChambered Nautilus Large Shadow SizeLarge 4 PM to 9 AM 1800
16 Turban Shell ImageTurban Shell Medium Shadow SizeMedium Anytime 1000
15 Whelk ImageWhelk Medium Shadow SizeMedium Anytime 1000
14 Scallop ImageScallop Large Shadow SizeLarge Anytime 1200
11 Pearl Oyster ImagePearl Oyster Medium Shadow SizeMedium Anytime 2800

New Sea Creatures in September

New Sea Creatures for Northern Hemisphere

Northern Hemisphere
Oyster ImageOyster Sweet Shrimp ImageSweet Shrimp

New Sea Creatures for Southern Hemisphere

Southern Hemisphere
Chambered Nautilus ImageChambered Nautilus Firefly Squid ImageFirefly Squid Spider Crab ImageSpider Crab

Sea Creatures Leaving in September

Sea Creatures Leaving the Northern Hemisphere

Northern Hemisphere
Flatworm ImageFlatworm Gigas Giant Clam ImageGigas Giant Clam Horseshoe Crab ImageHorseshoe Crab Moon Jellyfish ImageMoon Jellyfish
Sea Grapes ImageSea Grapes Sea Urchin ImageSea Urchin Slate Pencil Urchin ImageSlate Pencil Urchin Tiger Prawn ImageTiger Prawn

Sea Creatures Leaving the Southern Hemisphere

Southern Hemisphere
Red King Crab ImageRed King Crab

Related Guides

Animal Crossing New Horizons (ACNH) Events▶︎ Return to September To-Do List
September DIY Items
Animal Crossing New Horizons (ACNH) TreeTree's Bounty Series Furniture & Item Recipes
Animal Crossing New Horizons (ACNH) Acorns.pngHow to Get Acorns Animal Crossing New Horizons (ACNH) Pine Cones.pngHow to Get Pinecones
September Critterpedia
Animal Crossing New Horizons (ACNH) September Sea Creatures.pngSeptember Sea Creatures List
Animal Crossing New Horizons (ACNH) September Fish.pngSeptember Fish List Animal Crossing New Horizons (ACNH) September Bugs.pngSeptember Bugs List

Comment

1 Anonymous25 days

there's 3 missing sea critters in the "New to northern hemisphere for September." There should be 5 total: Oyster, Turban shell, Chambered nautilus, umbrella octopus, sweet shrimp.

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