Is Las Vegas hot in September?
Days are typically hot at 34.9°C, while nights average 21.4°C.
United States · 1991–2020 normal
Las Vegas in
September.
Typical September weather in Las Vegas: 34.9°C by day, 21.4°C at night, 5 mm of rain over 0.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high34.9°C
Typical low21.4°C
Rain5 mm
Wet days0.8
In the year-round weather comparison, September scores 52 out of 100 (April leads the year at 90). Daylight is calculated as 12 h 22 from latitude 36.17°.
September at a glance
What is Las Vegas like in September?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 5 mm across about 1 wet days.
How much daylight is there?
There are about 12 h 22 between sunrise and sunset at mid-month, calculated from the place latitude.
Is September a good time to visit?
September ranks 7 of 12 in our weather comparison; April ranks first.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5506956
- NOAA station
- USW00053123 · LAS VEGAS AIR TERMINAL
- Station distance
- 6.5 km from the place centre
- Coverage
- Good coverage · 20 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Las Vegas is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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