Weather in Las Vegas in September
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for September in Las Vegas.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youIn September, Las Vegas sees average highs of 36.0°C (96.8°F) and lows of 22.5°C. Conditions are very hot and mostly dry with only occasional showers, with roughly 11.4 hours of sunshine a day. It is one of the best months of the year to visit. For the complete picture, see the best time to visit Las Vegas — every month compared. Once you know when to go, find your Las Vegas packing list at 247PackingList.
Get ready for Las Vegas in September
Search flights to Las Vegas
Compare 100+ airlines for September — one search, best price.
Search Flights →Hot-weather travel clothing
Sun protection, lightweight layers and a reusable water bottle are essential here.
Check Price →What to pack for Las Vegas in September
- Lightweight, breathable clothing
- High SPF sunscreen
- Sunglasses
- Sun hat
- Reusable water bottle
Compare all months in Las Vegas
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 14.3°C | 12.6mm | 10/10 |
| February | 17.3°C | 6.5mm | 10/10 |
| March | 20.0°C | 18.8mm | 10/10 |
| April | 27.4°C | 2.0mm | 10/10 |
| May | 32.5°C | 0.4mm | 10/10 |
| June | 37.6°C | 4.8mm | 8/10 |
| July | 41.6°C | 6.7mm | 6/10 |
| August | 39.5°C | 25.5mm | 6/10 |
| September | 36.0°C | 15.7mm | 8/10 |
| October | 28.4°C | 4.0mm | 10/10 |
| November | 19.8°C | 6.7mm | 10/10 |
| December | 14.6°C | 9.6mm | 10/10 |
Full month-by-month guide: best time to visit Las Vegas →
For facts about United States — currency, language and dialling code — see our United States country guide at 247CountryInfo. Travellers also find it useful to keep a Las Vegas travel guide to hand. Check clothing sizes in United States before you shop.
Frequently Asked Questions
Is September a good time to visit Las Vegas?
September rates 8/10 for visiting Las Vegas — good time to visit. Expect average highs of 36.0°C, 15.7mm of rain across the month and about 11.4 hours of daily sunshine.
What is the temperature in Las Vegas in September?
In September, Las Vegas has average highs of 36.0°C (96.8°F) and average lows of 22.5°C (72.5°F).
Does it rain in Las Vegas in September?
Not much. September averages just 15.7mm of rain in Las Vegas — the odd shower is possible but most days stay dry.
What should I wear in Las Vegas in September?
For Las Vegas in September (36.0°C highs / 22.5°C lows), pack lightweight, breathable clothing plus high spf sunscreen, sunglasses, sun hat.
More essentials for Las Vegas in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.