What to Wear and Pack for Las Vegas in September: What I Actually Wore

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When I started planning my outfits for Las Vegas in September, I naively thought I would be packing for fall weather.

I was very wrong.

I visited Las Vegas from September 21–24 and when I checked the weather forecast before the trip, I was surprised to see temperatures were still going to be in the low 90s during the day.

I initially wasn’t even planning on packing a swimsuit!

Luckily, I checked the forecast before I finished packing because it was definitely still summer weather in Las Vegas. The evenings were a little more comfortable, with temperatures dropping into the upper 70s and low 80s.

I stayed at Circa in Downtown Las Vegas with my girlfriends, a hotel Crystal had previously stayed at with her boyfriend and really enjoyed. Since we were right in Fremont Street, I spent most of the trip walking around Downtown, going out for dinner and drinks, visiting Area15, and spending some time at the Circa’s Stadium Swim pool.

Here is what I actually wore during my late-September trip and what I would recommend packing if you’re visiting Las Vegas around the same time.

What Is the Weather Like in Las Vegas in September?

The biggest thing I learned from this trip is that September in Las Vegas does not necessarily mean fall weather.

During my September 21–24 trip, daytime temperatures were in the low 90s. Once the sun went down, it cooled off considerably and evenings were generally in the upper 70s to low 80s.

Girl’s Night out Downtown Fremont

Fun PHoto-op at Area 15

One thing I was really glad I packed was a lightweight sweater. Even though it was hot outside, the casinos had the air conditioning working really well, and I definitely got chilly indoors. I would recommend bringing a lightweight sweater or cardigan that’s easy to carry around and throw on when you’re inside.

For daytime outfits, I was most comfortable in lightweight tops, loose trousers, dresses, and sandals.

At night, I could comfortably wear jeans or trousers without feeling too hot.

And yes, I would definitely pack a swimsuit if you plan on enjoying some pool time.

My Late-September Las Vegas Packing List

Clothing

• Lightweight tanks and tops

• Loose or breathable trousers

• One pair of jeans

• A lightweight midi dress

• One light sweater or cardigan for travel and air-conditioned spaces

• Swimsuit

Shoes

• Comfortable sneakers

• Comfortable flats

• Sandals or a low kitten heel

Accessories

• Sunglasses

• Sun hat

• Small crossbody or shoulder bag

What I Wore on My Travel Day

Since Las Vegas is such a quick flight from Burbank, I wanted my travel outfit to be comfortable but still look put together once I arrived.

I wore my Varley The Wide Leg Pant in Pristine with the 32-inch inseam and paired them with my Quince Washable Stretch Silk V-Neck Cami. This was my first time wearing the Varley pants and I absolutely LOVE them. They are super soft and the waistband does not dig in at all making them comfy on flights.

I was a little concerned about wearing such a light color on my flight, but since it was only an hour-long trip my worries didn’t last long. I would probably think twice about choosing these for long-haul flights where spills and wear are more likely.

Heading to the Airport

Trying on my New Varley Sweats

For an extra layer, I threw on my Quince Mongolian Shrunken Cashmere Sweatshirt and casually wrapped it around my shoulders until I settled into my seat on the aircraft. It instantly made the outfit look more polished and chic. I definitely did not need cashmere outside once I got to Vegas, but it was perfect for the airport and airplane.

I finished the outfit with my trusty Adidas sneakers, which have been my go-to travel shoes for the past few years now.

SHOP MY TRAVEL OUTFIT

Varley The Wide Leg Pant • Quince Washable Stretch Silk V-Neck Cami • Quince Mongolian Shrunken Cashmere Sweatshirt • Adidas Sneakers

Quince Ivory Silk Tank

Varley Double Soft Sweatpants

Quince Cashmere Sweatshirt

Rooftop Drinks at Circa

For drinks at Circa that evening, I wore my Favorite Daughter Brook Strapless Tweed Bustier Top with my Favorite Daughter Masha Jeans. Since the temperatures dropped into the upper 70s and low 80s at night, I was completely comfortable wearing jeans.

Rooftop Bar at Circa

Circa Casino Hotel

I wanted to dress up, but also feel comfortable. Jeans can sometimes read as too casual, yet when paired with the right blouse or tailored top they can be effortlessly elevated. I find that anything in tweed instantly adds a touch of luxury and sophistication, giving even the simplest outfit a more polished, dressed-up finish.

I paired the outfit with my woven Mary Jane Flats and carried my Lo & Sons Aoyama Bag.

I liked this outfit for Vegas because it felt dressed up enough for rooftop drinks without being overly dressy.

SHOP MY ROOFTOP OUTFIT

Favorite Daughter Brook Strapless Tweed Bustier Top • Favorite Daughter Masha Jeans (similar style)• Amazon Woven Ballet Flats • Lo & Sons Aoyama Bag

Favorite Daughter Brook Strapless Tweed Top

Old Navy High-Waisted Cuffed Jeans

Lo & Sons Aoyama Bag

Woven Mary Janes

Daytime Outfit for Fremont Street

For exploring Fremont Street during the day, I wore my Stradivarius Sweetheart Bandeau Top with my Zara Relaxed White Trousers.

Even though it was in the 90s, the loose fit of the trousers kept them comfortable enough for walking around outside. I also wore my Gigi Pip Jolie Boater Straw Hat, which came in especially handy with the strong Vegas sun.

I was initially drawn to this style of hat because it reminded me of Audrey Hepburn. It has a strong vintage vibe, and the silhouette gives off a timeless, classy, elegant look. I’ve had this hat for several years now and I reach for it often. It's become one of my favorite go-to summer pieces.

Carrying my Aoyama Bag without A strap

Wearing my Aoyama Bag with a long Strap

For shoes, I wore my Quince Italian Leather Thong Kitten Heel Sandals. I like these sandals because the heel is low enough to comfortably walk around in, but they still make an outfit look more polished than a basic flat sandal.

SHOP MY FREMONT STREET OUTFIT

Stradivarius Sweetheart Bandeau Top • Zara Relaxed White Trousers (similar style) • Gigi Pip Jolie Boater Straw Hat (similar style) • Quince Italian Leather Thong Kitten Heel Sandals • Lo & Sons Aoyama Bag

Stradivarius Bandeau Top

Quince Kitten Heels

Zara Wide Leg Pants

Boater Straw Hat

Pool Outfit

This is the outfit I almost didn't pack.

I really thought late September might be a little too cool for the pool, but with daytime temperatures reaching the low 90s, it was absolutely still pool weather.

I wore my Marcella Molly Swimsuit with my Gigi Pip Jolie Boater Straw Hat.

My exact Marcella swimsuit is no longer available, but I love the minimal style and would look for a similar black swimsuit with an asymmetrical or one-shoulder design.

Lounging at Stadium Swim

Pool Time!

If you're going to Las Vegas in September, I would pack a swimsuit even if you're not sure whether you'll have time for the pool.

I'm glad I checked the weather before this trip because I definitely would have regretted leaving mine at home.

SHOP MY POOL LOOK

Marcella Molly Swimsuit (similar style) • Gigi Pip Jolie Boater Straw Hat (similar style)

Quince Swimsuit

Boater Straw Hat

What I Wore to Area15

For Area15, I wore my Rumored Antoinette Midi Dress (similar style).

I spent the day playing the Great Big Game Show, checking out some of the fun photo-op areas around Area15, and eating beignets, so I wanted something that was comfortable but would also look cute in photos.

Fun Outdoor Photo Booth at Area15

The Great Big Game Show

The Antoinette Midi Dress was perfect for that. I wore this dress on my last trip to Oceanside, California and have been waiting for another opportunity to wear it again.

Unfortunately, my exact Rumored dress is sold out, but I would look for a similar cream or ivory midi dress with a fitted bodice and fuller skirt.

I paired the dress with my woven Mary Jane’s and carried my Lo & Sons Aoyama Bag.

SHOP MY AREA15 OUTFIT

Rumored Antoinette Midi Dress (similar style) • Woven Mary Jane’s • Lo & Sons Aoyama Bag

Lo and Sons Aoyama Bag

Aritzia Technique Linen Dress

Woven Mary Janes

Nighttime Outfit for Fremont Street

For my last night in Las Vegas, I rewore my Stradivarius Sweetheart Bandeau Top.

This time, instead of pairing it with my white Zara trousers, I wore it with my H&M High-Waisted Flare & Cropped Trousers.

My exact H&M trousers are no longer available, but I found a similar style from Quince.

I also wore my Elisa Johnson Jane Aviator Sunglasses earlier in the evening and carried my Lo & Sons Aoyama Bag again. I don’t usually bother wearing sunglasses after dark, but hey, we’re in Vegas and wanted to look mysterious (🤣) in those night-lit photos.

An all Black Look paired with sunglasses

Comfy flats so we can dance anywhere

I actually like repeating pieces when I travel and styling them differently instead of packing a completely new outfit for every day. It definitely helps me limit my packing to just a carry‑on, so I don’t have to pay the check‑in baggage fee.

The same top looked noticeably different with the black cropped trousers than it did with the relaxed white trousers I’d worn earlier in the trip. I’m still not sure which look I prefer, though the relaxed trousers were definitely the more comfortable option.

SHOP MY DINNER OUTFIT

Stradivarius Sweetheart Bandeau Top • H&M High-Waisted Flare & Cropped Trousers (similar style) • Elisa Johnson Jane Aviator Sunglasses • Lo & Sons Aoyama Bag

Stradivarius sweetheart top

Quince High Waisted Flare Cropped Trousers

Elisa Johnson Jan Sunglasses

My Las Vegas Shoe Picks

Comfortable shoes ended up being especially important on this trip. Even though I was staying around Fremont Street instead of the Strip, I still did a lot of walking.

Best for travel: Adidas Sneakers
Best dressier sandal: Quince Italian Leather Thong Kitten Heel Sandal
Best for dinner and walking: Woven Mary Janes (This one was my favorite)

The Bag I Wore the Most

I brought my Lo & Sons Aoyama Bag and ended up carrying it with almost every outfit.

It's small enough that it never felt bulky while I was walking around, but it still had enough room for the essentials I wanted with me.

This bag can be worn multiple ways, so for example during the day I can wear it as a crossbody or on the shoulder, and at night I can carry it by the top handle for a more polished look. I like that the simple, versatile design worked with everything from my casual daytime outfits to my dressier evening looks.

If I were packing for this trip again, this is definitely the bag I would bring.

What I Would Pack Again for Las Vegas in September

These were the pieces that ended up being the most useful during my late-September trip:

• One light cardigan for the indoor air conditioning

• One small bag that works with multiple outfits

• A swimsuit

• Hat or Sunglasses

I definitely would not pack a heavy fall wardrobe.

Even though my trip was at the end of September, it still felt much more like summer than fall.

Vegas just wants to make us dance

What I Would Wear in Las Vegas in September

The biggest surprise for me was just how hot Las Vegas still was at the end of September.

I originally pictured myself packing more fall-inspired outfits and almost left my swimsuit at home. In reality, lightweight summer clothes were what I needed the most.

The nice thing about visiting later in September was that the evenings cooled down enough that I could comfortably wear jeans and trousers for dinner and drinks.

If I were packing for the same trip again, I would focus on lightweight daytime outfits, a few slightly dressier options for nighttime, comfortable shoes, and definitely a swimsuit.

September in Las Vegas may technically be the beginning of fall, but based on my trip, I would still pack for summer.