Las Vegas Weather in September

What's the weather like in Las Vegas, United States in September 2019?

The climate in Las Vegas during September can be summarized as hot and very dry.

September is in the fall / autumn in Las Vegas and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a warm 34°C (94°F), whilst at night 19°C (65°F) is normal.

Las Vegas weather averages (imperial / metric)
Daytime temperature 34.2°C 93.5°F
Nightly temperature 18.5°C 65.2°F
Average temperature 26.3°C 79.3°F
Daily sunshine 12 hrs
Avg rainfall 10 mm 0.4 ins
Rainy days 2 days
Sea temperature 17.7°C 63.8°F
Humidity 27%
Windspeed 15.5kph 10 mph

On average September is the 3rd wettest month of the year in Las Vegas with around 10mm 0.4 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 12 hours of sunshine per day.

September temperatures in Las Vegas

September rainfall

September hourly sunshine

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in September 2019.

Other monthly averages

UV index

Las Vegas weather stats

Las Vegas weather statistics
Hottest month: July 39.8°C 103.6°F
Driest month: June 2mm 0.1ins
Sunniest month: June 14.3hrs
Coldest month: December 13.2°C 55.8°F
Wettest month: November 13mm 0.5ins
Map showing location of Las Vegas (36.17497, -115.13722)

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