Las Vegas weather
in September
“Reliably warm, dry, and generous with light.”
Roughly 1 rainy days across the month, on average.
In september, Las Vegas settles into its warmer, more generous mood. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.
Days average around 36°C (96°F), cooling to 22°C after sunset. Rain is rare enough that you can plan without a contingency. Long days of sunshine reward early starts.
These figures are climatological averages, drawn from a decade of daily records via the Open-Meteo Archive — not a forecast. But they are honest, and they are the sort of thing a good travel guide ought to tell you before you book the flight.
What to pack for Las Vegas in September
- •Breathable cotton or linen, and a broad-brimmed hat
- •Layers, because the day changes
- •Reef-safe sunscreen and polarised sunglasses
- •Comfortable, broken-in walking shoes
- •A small daypack that won't look like a tourist beacon
What to pack for Las Vegas in September
- →Quick-dry travel shirtAmazon · shop this
- →UPF sun hatAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
- →Polarized sunglassesAmazon · shop this
- →Universal travel adapterAmazon · shop this
- →Compression packing cubesAmazon · shop this
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Where to stay in Las Vegas
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Compare hotels on Booking.com→Other places with a similar climate right now
Las Vegas in September — FAQ
Q01Is September a good time to visit Las Vegas?
Is September a good time to visit Las Vegas?
It is a challenging month — you may want to consider another time of year. In September, Las Vegas averages a high of 36°C (96°F) and a low of 22°C (72°F), with 8mm of rainfall across roughly 1 rainy days.
Q02What is the average temperature in Las Vegas in September?
What is the average temperature in Las Vegas in September?
The average high temperature in Las Vegas during September is 36°C (96°F), with an average low of 22°C (72°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Las Vegas have in September?
How many rainy days does Las Vegas have in September?
Las Vegas averages approximately 1 rainy days in September, with a total monthly rainfall of about 8mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Las Vegas in September?
What should I pack for Las Vegas in September?
For Las Vegas in September, pack light, breathable clothing (cotton or linen), sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Las Vegas in September?
How crowded is Las Vegas in September?
Tourist crowds in Las Vegas during September are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely.