Las Vegas weather in September

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Check the Las Vegas, Nevada weather in September before you book your next holiday. This gives the best indication of the weather in September and includes figures for temperature, sunshine and rainfall.

  • 35°C maximum daytime temperature in September in Las Vegas35
    35°C max day temperature
  • 11 hours of sunshine per day (90% of daylight hours) in September in Las Vegas11
    11 hours of sunshine per day
  • 2 days with some rainfall in September in Las Vegas2
    2 days with some rainfall
  • 19°C minimum night-time temperature in September in Las Vegas19
    19°C 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
  • 9 mm monthly rainfall in September in Las Vegas9
    9 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Las Vegas8
    8 (Very High) UV index

All months

Metric (°C / mm)  |  Imperial (°F / inches)

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Las Vegas weather map

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Las Vegas weather by month

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