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September transitions from summer brights to fall warmth — muted tones, warm neutrals, and the first burgundies.
My top pick: Warm mauve bridges summer and fall in one shade — works with both sandals and boots.

1. Warm Mauve Solid

The September shade that bridges summer and fall. Shop warm mauve nail polish on Amazon →
2. Dusty Rose Almond

Dusty rose on almond nails for the first fall manicure. Shop dusty rose gel nail polish on Amazon →
3. Olive Green Minimalist

Muted olive on short nails — September’s earthy shift. Shop olive green nail polish on Amazon →
4. Cinnamon Press-On Set

Warm cinnamon-toned press-ons — instant September nails. Shop cinnamon press on nails fall on Amazon →
5. Taupe Neutral Shorties

A greige-taupe on short nails — September’s softer palette. Shop taupe nail polish on Amazon →
6. Rosy Brown Transition

A rosy brown between pink and autumn — the transition shade. Shop rosy brown nail polish on Amazon →
7. Sage Green Short Rounds

Muted sage on short rounds — nature-inspired September. Shop sage green nail polish on Amazon →
8. Early Fall Ombre

A gradient from summer peach to fall mauve across five nails. Shop fall ombre nail kit on Amazon →
9. Warm Nude Gold Shimmer

A warm nude with subtle gold shimmer particles. Shop warm nude shimmer nail polish on Amazon →
The bottom line
Warm mauve is September’s signature shade. Olive green marks the earthy shift, and a summer-to-fall ombre across five nails captures the transition.