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Las Vegas weather in September (Nevada, United States of America)

How is the weather in Las Vegas in September? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In September, Las Vegas generally has very high temperatures and low rainfall. Throughout the daytime, temperatures often hover around 35°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 22°C. Remember, these are typical temperatures, and certain days could be even hotter. Ensure you wear appropriate clothing to handle the warmth.

Las Vegas in September usually receives low rainfall, averaging around 6.1 mm for the month. Based on our climate data of the past 30 years, about 2 days of rain are anticipated.

With around 345 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you prefer dry days with pleasant temperatures, February, March, April, May, October and November typically offer the best circumstances. While June, July and August tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Las Vegas climate page with graphs.

 

Las Vegas, monthly averages in September

Min TemperatureMin Temperature 22°C  
Max TemperatureMax Temperature 35°C  
Chance of RainChance of Rain 7%  
PrecipitationPrecipitation 6.1 mm  
Rainy daysRainy days 2 days  
HumidityHumidity 25%  
WindspeedWindspeed 14 km/h  
SunshineSunshine 345 hours  
Percentage SunshinePercentage Sunshine 91%  

Where to go in the United States of America in September

Find out more about the weather in the United States of America in September and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Las Vegas in September?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming
10/10
Camping
10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Las Vegas.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.