Las Vegas weather in September 2025

Expect 95°F daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Las Vegas in September. Check more long-term weather averages for Las Vegas in September before you book your next holiday to Nevada in 2025/2026.

  • 95°F maximum daytime temperature in September in Las Vegas95
    95°F max day temperature
  • 11 hours of sunshine per day
  • 2 days with some rainfall in September in Las Vegas2
    2 days with some rainfall
  • 66°F minimum night-time temperature in September in Las Vegas66
    66°F min night temperature
  • 12 hours of daylight per day in September in Las Vegas12
    12 hours of daylight per day
  • High heat & humidity in September in Las VegasH
    High heat & humidity
  • 0.4 inches monthly rainfall in September in Las Vegas0.4
    0.4 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Las Vegas8
    8 (Very High) UV index

More about Las Vegas

Las Vegas by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Nevada

TUI: up to 7% off holidays booked online

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

The September weather guide for Nevada (Las Vegas) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

Back to top

More about Las Vegas

How hot is it in Las Vegas in September?

Daytime temperatures usually reach 95°F in Las Vegas in September with high heat and humidity, falling to 66°F at night.

How sunny is it in Las Vegas in September?

There are normally 11 hours of bright sunshine each day in Las Vegas in September - that's 90% of daylight hours.

Does it ever rain in Las Vegas in September?

There are usually 2 days with some rain in Las Vegas in September and the average monthly rainfall is 0.4 inches.

Las Vegas September sunrise & sunset times

Browse the sunrise and sunset times for Las Vegas in September 2025. Select a month to view Las Vegas sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:13 18:08
Monday, 15th September 2025 05:23 17:47
Tuesday, 30th September 2025 05:35 17:25

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^