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Las Vegas Weather in September, USA

Las Vegas Averages September


  • What is Average Temperature?
    The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month


  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    High Temperature

  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    Low Temperature

  • What is Average Day Temperature?
    The average temperature recorded between sunrise and sunset

    Day Temperature

  • What is Average Night Temperature?
    The average temperature recorded between sunset and sunrise

    Night Temperature

  • What are Average Daily Sunshine Hours?
    Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

    Sunshine Hours

    12 hours
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

    Rainfall Days

    3 days
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years


    7.62 mm

Slide and Tap Other Months

Las Vegas Daily Averages September


September 2024
1 Avg 32º 90º
2 Avg 31º 88º
3 Avg 32º 90º
4 Avg 30º 86º
5 Avg 31º 88º
6 Avg 32º 90º
7 Avg 30º 86º
8 Avg 31º 88º
9 Avg 29º 84º
10 Avg 28º 82º
11 Avg 28º 82º
12 Avg 28º 82º
13 Avg 28º 82º
14 Avg 28º 82º
15 Avg 29º 84º
16 Avg 29º 84º
17 Avg 28º 82º
18 Avg 29º 84º
19 Avg 30º 86º
20 Avg 29º 84º
21 Avg 28º 82º
22 Avg 28º 82º
23 Avg 29º 84º
24 Avg 28º 82º
25 Avg 27º 81º
26 Avg 26º 79º
27 Avg 26º 79º
28 Avg 27º 81º
29 Avg 27º 81º
30 Avg 28º 82º
Avg Historical Daily Average

September Weather Averages

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What's the Weather Like in Las Vegas in September?


The weather continues to cool down in September in Las VegasUSA, when the summer season is coming to a close and autumn is just around the corner. Throughout the month, the average temperature is 27°C (created by highs of 37°C and lows of 24°C), compared to October, which has an average temperature of around 21°C.

This average drops down to 28.5°C (highs of 35°C and lows of 22°C) by September 11th, 27.5°C (highs of 34°C and lows of 21°C) by September 21st and 25°C (highs of 31°C and lows of 19°C) by September 30th.

Although it only happens once every ten years, temperatures can sometimes rise above 40°C and fall below 15°C in Las Vegas in September. The hottest temperature ever recorded in the city during this month is 43°C, whilst the coldest temperature ever recorded here at this time of year is 12°C.

With average temperatures as warm as these, September is perfect for sun worshippers and travellers who love the heat. If you're planning on visiting Las Vegas at this time of year, you're best off visiting toward the end of the month, when the temperatures are pleasantly warm, instead of at the beginning on the month, when temperatures can be scorchingly hot.

Whenever you decide to visit Las Vegas in September, make sure you take plenty of light and airy clothing with you, as well as sun cream and sunglasses to avoid sunburn and heatstroke. If you think average temperatures between 30.5°C and 25°C will be too much for you, consider visiting during the cooler month of October.


The probability of you experiencing some kind of precipitation during your holiday in Las Vegas slightly decreases as the month progresses, making the end of the month the best time to visit if you don't want to see any rainfall during your holiday. On September 6th, the likelihood of precipitation making an appearance is 10%.

This figure drops down to 8% by September 26th. The most common types of rainfall you can expect to experience during your time in the city are light rain, thunderstorms and moderate rain. Looking at the month as a whole, Las Vegas only receives 7mm/0 inches of rainfall in September which is divided between three wet days.

Average Sunshine Hours

Across the month, Las Vegas enjoys an average of 12 hours of sunshine each day that's one hour less than in August. Despite the decrease in sunshine, when you combine 12 sunshine hours with 0% median cloud coverage, you'll have ample opportunity to take it easy and work on your tan by your hotel's pool during your holiday in Las Vegas.


Thanks to its desert location, the city remains very dry throughout the year. Over the course of September, the relative humidity for the city ranges between 14% (very dry) and 38% (comfortable), almost never falling below 6% (very dry) or rising above 59% (mildly humid).

The air tends to be at its driest around September 9th, when the relative humidity drops below 17% (dry) three days out of every four, whilst the air is usually at its most humid around September 30th, when it rises above 29% three days out of every four.


Throughout September, the typical wind speeds in Las Vegas fluctuate between 0 m/s (calm) and 7 m/s (moderate breeze), rarely rising above 10 m/s (fresh breeze). The highest average wind speed of 3 m/s (light breeze) happens around September 12th, when the average daily maximum wind speed is 6 m/s (moderate breeze).

On the other hand, the lowest average wind speed of 3 m/s occurs around September 21st, when the average daily maximum wind speed is 6 m/s.

You can check the weather forecast here.

Las Vegas Hotels in September

Vdara Hotel & Spa

Vdara Hotel & Spa is ideal for holidaymakers who want to be pampered during their stay in Las Vegas. This luxury hotel boasts a spa where highly-trained therapists carry out ESPA treatments using ESPA products. Linked to the spa, you'll also find the salon where you can enjoy manicures, pedicures, hair styling and makeovers, plus a fitness centre and smoothie bar.

Other onsite services and facilities include five bars and restaurants, swimming pool and shopping centre. Accommodation is provided in the form of 11 distinct suites, each of which features a spa-style bath and media hub.

Hilton Garden Inn Las Vegas Strip South 

For something a bit more affordable, take a look at the Hilton Garden Inn Las Vegas Strip South. Located on one of the finest parts of the Las Vegas strip, this hotel provides guests with standard rooms, suites, executive rooms and accessible rooms, all of which come with high-speed internet access.

A 24-hour business centre is provided onsite, as well as swimming pool, children's activities and fitness room. There is a wealth of bars, restaurants and show venues only a short walk away from the hotel on the strip.

MGM Grand Hotel & Casino

MGM Grand Hotel & Casino is one of the most famous hotels on the Las Vegas strip. Here you can choose between 13 different variations of rooms and suites, each of which features a marble bathroom and media hub.

There is an endless range of things to see and do within the hotel, with 11 speciality restaurants, eight casual eateries, seven snack bars, eight bars and all sorts of shows. The onsite casino is the highlight of the hotel and offers blackjack, craps, roulette, slot machines and poker tournaments.

Sam's Town Hotel and Gambling Hall

Families and couples on a tight budget should consider staying at Sam's Town Hotel and Gambling Hall. Located around five miles away from the Las Vegas strip, this hotel is close enough to the action for you to enjoy it, but far enough away so that it's quiet.

Accommodation is available in the shape of deluxe rooms and suites, each of which comes with the essentials. There are ten restaurants, 18-screen cinema, bowling alley, lounge bar and entertainment bar found onsite. The hotel's casino comes with 36 table games, dedicated poker room, bingo room, keno and loads of slot machines.

Bars and Restaurants

Mastro's Ocean Club

Seafood lovers won't want to pass up the chance to visit Mastro's Ocean Club. This stylish restaurant has a unique décor which makes you feel like you're eating dinner inside a giant fishbowl! If that idea sounds a bit off-putting, you'll be pleased to hear there is also another, more conventional seating area.

The menu is made up of a comprehensive selection of hot and cold appetisers, sushi, soups, salads, steaks, chops and desserts. Naturally, the seafood is the star of the show and takes the form of sea bass, salmon and red snapper, amongst many other choices.

Joe's Seafood, Prime Steak & Stone Crab

If you're not sure what you're in the mood for, consider dining at Joe's Seafood, Prime Steak & Stone Crab. Open Sunday-Thursday from 11.30am until 10pm and Friday-Saturday from 11.30am until 11pm, this eatery serves almost every dish imaginable, from burgers and sandwiches to prime steaks and top quality fish. There is also a superb gluten-free and vegetarian menu available, in addition to a vast array of wines, signature cocktails and desserts.

Double Down Saloon

For a rough and ready live music bar, head to the Double Down Saloon. Located on Paradise Road and open 24-hours-a-day, this buzzing bar always has music going whether it's coming from the authentic jukebox or the regular local and international bands which play live. The bar is known for its bizarre drinks, such as the bacon martini, but there are also plenty of local and international beers available.

Minus 5° Ice Bar

The Minus 5° Ice Bar is a must-visit during your holiday in Las Vegas. This bar has venues inside Mandalay Bay Resort & Casino and Monte Carlo Resort & Casino both of which are open Sunday-Thursday from 11am until 2am and Friday-Saturday from 11am until 3am.

You'll be given a warm insulated jacket, gloves and boots when you arrive before being allowed inside the bar which is covered in a thick layer of ice. Even the drinks many of which are vodka-based so they don't freeze are served in glasses made out of ice.

Things to do in Las Vegas in September

Elvis Chapel

Travellers planning on getting married or renewing their vows during their holiday in Las Vegas should consider doing so at the Elvis Chapel. Located on South 9th Street, this wedding chapel offers four traditional wedding packages, each of which is more glamorous and comprehensive than the last, plus ten very different Elvis wedding packages, ranging from concert packages to dancing girl packages.

All sorts of extras are available upon request, including cakes, candles, flowers, special photography services and Elvis memorabilia.


When it comes to unique shows in Las Vegas, MO5AIC is one of the best. Performances take place at the Las Vegas Hotel & Casino and see five very talented signers take to the stage without any backing music whatsoever and amaze audiences with their voices.

The singing is done in the style of A Capella and each member of MO5AIC has a different singing range and speciality, which keeps the show interesting and fresh. One of the most captivating parts of each performance is the members' ability to mimic the sounds of musical instruments with their voices alone.

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