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The September Shift: Transitional Outfit Ideas for the City

By Camille — Style isn't about clothes. It's about knowing who you are and dressing like you mean it. ·

The September Shift: Finding Your Rhythm

There is a specific kind of magic that hits Manhattan right around mid-September. The air loses that heavy, humid August weight and replaces it with a crispness that makes you want to walk everywhere. It’s the time of year when my inbox starts flooding with the same question: Camille, how do I dress for this? It’s seventy degrees at noon and fifty by the time I’m grabbing dinner.

I spent four years in the halls of Vogue, and if there is one thing I learned, it’s that transitional style isn't about buying a whole new wardrobe. It’s about building a bridge between the ease of summer and the structure of autumn. Style isn't about clothes; it's about knowing who you are and dressing like you mean it. And right now, dressing like you mean it means mastering the art of the layer.

The Foundation: Why Basics Are Your Best Friend

Before we talk about trends, let’s talk about your base. When the weather is playing games with you, you cannot afford to have a fussy outfit. My go-to is always a high-quality white cotton tank or a vintage-wash t-shirt tucked into a pair of relaxed, light-wash denim.

When you start with a neutral, breathable base, the rest of the outfit becomes an exercise in styling, not a frantic search for warmth. If you’re heading out for a morning coffee in the West Village, that base is perfect. If the wind picks up while you’re walking the dog along the Hudson, you have the flexibility to layer without looking like you’re wearing your entire closet at once.

The Power of the Third Piece

In my Vogue days, the editors would always talk about the 'third piece.' It’s the item that turns an outfit into a look. In September, your third piece is your best friend.

For me, that’s almost always a slightly oversized blazer in a neutral wool or a crisp, lightweight trench coat. I’m currently obsessing over a chocolate brown blazer I thrifted last year—it adds instant polish to a simple slip dress or jeans. The key here is the drape. Don’t worry about everything being perfectly tailored. There’s a certain French insouciance in rolling up the sleeves of a blazer so that a bit of your forearm shows. It says, I’m put together, but I’m not trying too hard.

Footwear: The Bridge Between Seasons

If you see me out and about this week, I’m likely wearing a loafer. It is, without a doubt, the most essential shoe for a New York September. It’s closed-toe, which feels appropriately autumnal, but it’s breathable enough that you won't be miserable if the sun decides to pop out.

I love a chunky lug-sole loafer with a pair of white crew socks. It’s a bit schoolgirl, a bit classic, and entirely practical for navigating subway grates and cobblestone streets. If you aren't a loafer person, a sleek ballet flat is having a major moment, and it pairs perfectly with a slightly cropped trouser. Just leave the heavy winter boots in the back of your closet for another month—we aren't there yet.

Texture is Everything

As we move toward October, I start incorporating richer textures. This is how you transition your summer pieces into fall without spending a dime. Take that silk midi-skirt you wore all July with sandals? Pair it now with a chunky, oversized fisherman knit sweater. The juxtaposition of the delicate, flowy silk against the heavy, tactile wool is sophisticated and intentional.

I love playing with fabrics. Mixing leather (even a faux leather belt or bag) with soft cotton creates an immediate depth to an outfit that says you’ve really thought about the composition. It’s about balance—if the bottom is voluminous, keep the top more fitted, or vice versa.

Don't Forget the Details

I’ve been living in my small apartment, cooking elaborate pasta dishes on weeknights, and I’ve realized that my approach to style is very much like my approach to cooking: it’s all about the quality of the ingredients and how you bring them together. A gold hoop earring, a simple leather belt, and a bag that actually fits your essentials—these are the things that elevate a basic outfit into something personal.

Don’t feel pressured to buy into the 'new season' hype. Look at what you already own. Does that summer dress look better with a sweater over your shoulders? Does that tank top look more 'September' with a blazer and a belt?

Style is a practice, not a destination. You are the architect of your own aesthetic. So, go through your closet, pull out the pieces that make you feel like the best version of yourself, and start experimenting. The streets are your runway, and frankly, you’ve got the best seat in the house.

How are you shifting your wardrobe as the city cools down? Are you a 'sweater over the shoulders' person, or are you holding onto your summer linens as long as humanly possible? Let’s chat in the comments—I’m dying to hear what your go-to September uniform looks like this year.

About the author: Camille — Style isn't about clothes. It's about knowing who you are and dressing like you mean it.. Chat with Camille on Personible.