60 birds were recorded seen in Arkansas in September in our iNaturalist sample; 3 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top birds in September

Ruby-throated Hummingbird

Northern Cardinal

Great Blue Heron
Eastern Bluebird

Great Egret

Tufted Titmouse
Downy Woodpecker
Red-bellied Woodpecker

Carolina Chickadee

Green Heron

Blue Jay

Carolina Wren
All birds seen in Arkansas in September
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Ruby-throated Hummingbird | Archilochus colubris | Hummingbirds | 326 | Sep (peak) |
| 2 | Northern Cardinal | Cardinalis cardinalis | Cardinals and Allies | 237 | Jan (past peak) |
| 3 | Great Blue Heron | Ardea herodias | Herons, Egrets, and Bitterns | 233 | Sep (peak) |
| 4 | Eastern Bluebird | Sialia sialis | Thrushes | 175 | May (past peak) |
| 5 | Great Egret | Ardea alba | Herons, Egrets, and Bitterns | 168 | Sep (peak) |
| 6 | Tufted Titmouse | Baeolophus bicolor | Tits, Chickadees, and Titmice | 155 | Mar (past peak) |
| 7 | Downy Woodpecker | Dryobates pubescens | Woodpeckers | 154 | Jan (past peak) |
| 8 | Red-bellied Woodpecker | Melanerpes carolinus | Woodpeckers | 142 | Jan (past peak) |
| 9 | Carolina Chickadee | Poecile carolinensis | Tits, Chickadees, and Titmice | 141 | Mar (past peak) |
| 10 | Green Heron | Butorides virescens | Herons, Egrets, and Bitterns | 126 | Aug (past peak) |
| 11 | Blue Jay | Cyanocitta cristata | Crows, Jays, and Magpies | 120 | May (past peak) |
| 12 | Carolina Wren | Thryothorus ludovicianus | Wrens | 112 | Jan (past peak) |
| 13 | Turkey Vulture | Cathartes aura | New World Vultures | 111 | Apr (past peak) |
| 14 | Northern Mockingbird | Mimus polyglottos | Mockingbirds and Thrashers | 109 | Apr (past peak) |
| 15 | Eastern Phoebe | Sayornis phoebe | Tyrant Flycatchers | 109 | Apr (past peak) |
| 16 | Mourning Dove | Zenaida macroura | Pigeons and Doves | 104 | May (past peak) |
| 17 | Canada Goose | Branta canadensis | Ducks, Geese, and Swans | 103 | Apr (past peak) |
| 18 | House Finch | Haemorhous mexicanus | Finches, Euphonias, and Allies | 95 | Jan (past peak) |
| 19 | White-breasted Nuthatch | Sitta carolinensis | Nuthatches | 93 | Feb (past peak) |
| 20 | Red-shouldered Hawk | Buteo lineatus | Hawks, Eagles, and Kites | 92 | Jan (past peak) |
| 21 | Red-headed Woodpecker | Melanerpes erythrocephalus | Woodpeckers | 87 | May (past peak) |
| 22 | European Starling | Sturnus vulgaris | Starlings | 86 | May (past peak) |
| 23 | Indigo Bunting | Passerina cyanea | Cardinals and Allies | 83 | May (past peak) |
| 24 | Summer Tanager | Piranga rubra | Cardinals and Allies | 78 | May (past peak) |
| 25 | Eastern Wood-Pewee | Contopus virens | Tyrant Flycatchers | 75 | May (past peak) |
| 26 | American Robin | Turdus migratorius | Thrushes | 73 | Apr (past peak) |
| 27 | House Sparrow | Passer domesticus | Old World Sparrows | 71 | Apr (past peak) |
| 28 | American Goldfinch | Spinus tristis | Finches, Euphonias, and Allies | 70 | Apr (past peak) |
| 29 | Killdeer | Charadrius vociferus | Plovers and Lapwings | 69 | Apr (past peak) |
| 30 | Northern Flicker | Colaptes auratus | Woodpeckers | 65 | Oct (rising) |
| 31 | Bald Eagle | Haliaeetus leucocephalus | Hawks, Eagles, and Kites | 63 | Mar (past peak) |
| 32 | Red-tailed Hawk | Buteo jamaicensis | Hawks, Eagles, and Kites | 60 | Nov (rising) |
| 33 | Black Vulture | Coragyps atratus | New World Vultures | 58 | May (past peak) |
| 34 | Pileated Woodpecker | Dryocopus pileatus | Woodpeckers | 58 | Apr (past peak) |
| 35 | Belted Kingfisher | Megaceryle alcyon | Kingfishers | 56 | Oct (rising) |
| 36 | Scissor-tailed Flycatcher | Tyrannus forficatus | Tyrant Flycatchers | 56 | May (past peak) |
| 37 | Wood Duck | Aix sponsa | Ducks, Geese, and Swans | 51 | Jul (past peak) |
| 38 | White-eyed Vireo | Vireo griseus | Vireos, Shrike-Babblers, and Erpornis | 49 | Apr (past peak) |
| 39 | Gray Catbird | Dumetella carolinensis | Mockingbirds and Thrashers | 46 | May (past peak) |
| 40 | Brown Thrasher | Toxostoma rufum | Mockingbirds and Thrashers | 43 | May (past peak) |
| 41 | American Crow | Corvus brachyrhynchos | Crows, Jays, and Magpies | 37 | Oct (rising) |
| 42 | Pine Warbler | Setophaga pinus | New World Warblers | 34 | Mar (past peak) |
| 43 | Barred Owl | Strix varia | Typical Owls | 33 | Apr (past peak) |
| 44 | Wild Turkey | Meleagris gallopavo | Pheasants, Grouse, and Allies | 32 | Apr (past peak) |
| 45 | Greater Roadrunner | Geococcyx californianus | Cuckoos | 31 | Aug (past peak) |
| 46 | Northern Parula | Setophaga americana | New World Warblers | 31 | Apr (past peak) |
| 47 | Common Yellowthroat | Geothlypis trichas | New World Warblers | 30 | May (past peak) |
| 48 | Common Nighthawk | Chordeiles minor | Nightjars and Allies | 30 | May (past peak) |
| 49 | Chipping Sparrow | Spizella passerina | New World Sparrows | 29 | Apr (past peak) |
| 50 | Mallard | Anas platyrhynchos | Ducks, Geese, and Swans | 28 | Apr (past peak) |