Weather in Las Vegas in September 2024
Average weather
Average temperature in Las Vegas in September
Going from a maximum of +111°F during the day to a minimum of +68°F during the night, the temperature in September averages around +99°F.
The average maximum temperature goes down 33% by the end of the month, compared with the beginning of the month, from +111°F to +97°F.
Is Las Vegas warm or cold in September?
Las Vegas is typically hot in September.
Maximum temperatures go up compared to the previous month from +102°F to +95°F. The minimum temperature also goes down from +79°F to +72°F.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
Take a look at how September is compared to other months in Las Vegas:
Climate in Las Vegas in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +102°F | +95°F | +81°F | ||||
| Min. temperature | ||||||
| +64°F | +48°F | +36°F | ||||
| Max. temperature | ||||||
| +113°F | +113°F | +100°F | ||||
| Rainfall | ||||||
| 17 mm | 11 mm | 10 mm | ||||
| Wind | ||||||
| 3 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 24% | 24% | 27% | ||||
| Air pressure | ||||||
| 1010 HPa | 1010 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 25 | 25 | 24 | ||||
| Cloudy days | ||||||
| 4 | 4 | 6 | ||||
| Rainy days | ||||||
| 2 | 1 | 1 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as good as in August. It’s getting colder in September. From +102°F in the day, the average maximum temperature lowers to +95°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 17 mm to 11 mm. Humidity levels don’t change as the month goes on, averaging around 24%. Winds are calmer in comparison to August, going down from 3 m/s to 2 m/s on average. The amount of sunny days stay about the same, averaging 25 sunny days during the month.
October brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Las Vegas is gradually increasing during September, going from 2 m/s to 4 m/s over the course of the month.
Rain
How was the weather last September in Las Vegas?
Climate Change Over the Years
The climate in Las Vegas in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1986 (+91°F) and the highest in 2020 (+103°F). The driest year was 1994 with only 0 mm of rainfall, and the wettest year was 2020 with 0 mm.
FAQ
Is September a good time to visit Las Vegas?
Can you sunbathe in Las Vegas in September?
Is Las Vegas rainy in September?
Is it sunny in Las Vegas in September?
Other cities in USA
Monthly weather in Las Vegas
Source of the data
For this page, we’ve looked at the typical weather in Las Vegas, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.