Quick answer: 22 native New Mexico plants have a recorded bloom range that includes September.
22 species
- Apache plume Fallugia paradoxa · 6 states
- Autumn sage Salvia greggii · 2 states
- Black-eyed Susan Rudbeckia hirta · 42 states
- Blue grama Bouteloua gracilis · 15 states
- Buffalograss Bouteloua dactyloides · 9 states
- Butterflyweed Asclepias tuberosa · 37 states
- Common gaillardia (blanketflower) Gaillardia aristata · 11 states
- Common yarrow Achillea millefolium · 31 states
- Creosote bush Larrea tridentata · 5 states
- Desert marigold Baileya multiradiata · 4 states
- Desert willow Chilopsis linearis · 4 states
- Dotted blazing star Liatris punctata · 10 states
- Honey mesquite Prosopis glandulosa · 3 states
- Little bluestem Schizachyrium scoparium · 23 states
- Mexican hat Ratibida columnifera · 17 states
- Rocky Mountain bee plant Peritoma serrulata · 22 states
- Scarlet bugler Penstemon barbatus · 2 states
- Scarlet gilia Ipomopsis aggregata · 9 states
- Scarlet globemallow Sphaeralcea coccinea · 5 states
- Shrubby cinquefoil Dasiphora fruticosa ssp. floribunda · 15 states
- Sideoats grama Bouteloua curtipendula · 25 states
- Yellow bells (esperanza) Tecoma stans · 3 states