Weather in Las Vegas in September 2017

Expect 35°C 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 2017.

Key weather averages for Las Vegas in September

  • 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

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

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

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More about Las Vegas

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

Guide to Las Vegas weather in September

The average maximum daytime temperature in Las Vegas in September is a very hot 35°C (95°F) with high heat & humidity. The average night-time temperature is usually a comfortable 19°C (66°F). There are usually 11 hours of bright sunshine each day, which represents 90% of the 12 hours of daylight.

Expect 9mm (0.4 inches) of rainfall across the whole of September with 2 days with some rain falling. Maximum UV levels will be very high (8 UV index) at midday when the skies are clear.

The weather in Las Vegas in September is represented by Las Vegas.

Las Vegas sunrise & sunset times for September 2017

Browse the sunrise & sunset times for Las Vegas in September 2017. Select a month to view Las Vegas sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st September 2017 06:12 19:08
Saturday, 2nd September 2017 06:13 19:06
Sunday, 3rd September 2017 06:14 19:05
Monday, 4th September 2017 06:15 19:03
Tuesday, 5th September 2017 06:16 19:02
Wednesday, 6th September 2017 06:16 19:01
Thursday, 7th September 2017 06:17 18:59
Friday, 8th September 2017 06:18 18:58
Saturday, 9th September 2017 06:19 18:56
Sunday, 10th September 2017 06:19 18:55
Monday, 11th September 2017 06:20 18:53
Tuesday, 12th September 2017 06:21 18:52
Wednesday, 13th September 2017 06:22 18:50
Thursday, 14th September 2017 06:23 18:49
Friday, 15th September 2017 06:23 18:47
Saturday, 16th September 2017 06:24 18:46
Sunday, 17th September 2017 06:25 18:44
Monday, 18th September 2017 06:26 18:43
Tuesday, 19th September 2017 06:26 18:41
Wednesday, 20th September 2017 06:27 18:40
Thursday, 21st September 2017 06:28 18:38
Friday, 22nd September 2017 06:29 18:37
Saturday, 23rd September 2017 06:30 18:35
Sunday, 24th September 2017 06:30 18:34
Monday, 25th September 2017 06:31 18:32
Tuesday, 26th September 2017 06:32 18:31
Wednesday, 27th September 2017 06:33 18:30
Thursday, 28th September 2017 06:34 18:28
Friday, 29th September 2017 06:34 18:27
Saturday, 30th September 2017 06:35 18:25
  • Book special offers on Virgin Atlantic flights to Las Vegas
  • Flights depart from London Gatwick & Manchester
  • Return flights to Las Vegas from £568

Expires at 23:59 on Tuesday 26th September 2017 · View all Virgin Atlantic offers

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Check Las Vegas weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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