Weather in Las Vegas in September 2017

Check the weather in Las Vegas in September before you book your next holiday in Nevada. Long-term weather averages give the best indication of the weather in September 2017 and include figures for temperature, sunshine and rainfall plus sunrise & sunset times for Las Vegas, Nevada, United States.

Weather in Las Vegas in September

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

  • 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

The average maximum daytime temperature in Las Vegas in September is a very hot 35°C (95°F) with high heat & humidity. 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 average night-time temperature is usually a comfortable 19°C (66°F).

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

More about Las Vegas weather

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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
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  • Fly direct from Manchester & London Gatwick
  • Book economy flights from just £735 return

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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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