September weather forecast
North Las Vegas, NV

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Weather in September

North Las Vegas in September signals the gradual easing off of the extreme summer temperatures. This month showcases a significant decrease from August's high-temperature record, showing signs of the coming fall season. Slightly higher humidity becomes noticeable, although still on the lower side. Reversal from the peak summer conditions begins, with daylight hours contracting further. The transition period to cooler months initiates, offering hope of climate relief.

Temperature

North Las Vegas's September weather features a light decline in high-temperatures, reducing from a fiery hot 95.9°F (35.5°C) in August to a hot 87.4°F (30.8°C). North Las Vegas throughout September, records an average low-temperature of 70.2°F (21.2°C).

Humidity

The average relative humidity in September is 24%.

Rainfall

In North Las Vegas, in September, during 5.3 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In North Las Vegas, during the entire year, the rain falls for 57.5 days and collects up to 6.02" (153mm) of precipitation.

Snowfall

In North Las Vegas, snow does not fall in March through November.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of the month, sunrise is at 6:12 am and sunset at 7:07 pm. On the last day of September, sunrise is at 6:35 am and sunset at 6:24 pm PDT.

Sunshine

In North Las Vegas, the average sunshine in September is 10.3h.

UV index

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 6 during September translates into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in North Las Vegas in September?

The average high-temperature and low-temperature during September are 87.4°F (30.8°C) and 70.2°F (21.2°C) respectively.

What is the average humidity in September in North Las Vegas?

The average relative humidity in September in North Las Vegas, Nevada, is 24%.

How many days does it rain in September in North Las Vegas?

In North Las Vegas, in September, it is raining for 5.3 days, with typically 0.51" (13mm) of accumulated precipitation.

When it does not snow in North Las Vegas?

In North Las Vegas, Nevada, snow does not fall in March through November.

What is the average length of the day in September in North Las Vegas?

In North Las Vegas, the average day length in September is 12h and 23min.

When is the sunrise / sunset in September in North Las Vegas?

In September, on the first day of the month, sunrise is at 6:12 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 6:24 pm PDT.

How many hours of sunshine does North Las Vegas have in September?

The average sunshine duration in September is 10.3h.

What is the UV index intensity in September in North Las Vegas?

In North Las Vegas, Nevada, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
North Las Vegas, NV

Average temperature in September - North Las Vegas, NV
  • Average high temperature in September: 87.4°F

The warmest month (with the highest average high temperature) is July (97.3°F).
The month with the lowest average high temperature is December (50°F).

  • Average low temperature in September: 70.2°F

The month with the highest average low temperature is July (77.7°F).
The coldest month (with the lowest average low temperature) is December (37.9°F).

Average pressure in September
North Las Vegas, NV

Average pressure in September - North Las Vegas, NV
  • Average pressure in September: 29.85"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.76"Hg).

Average wind speed in September
North Las Vegas, NV

Average wind speed in September - North Las Vegas, NV
  • Average wind speed in September: 6.4mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).

Average humidity in September
North Las Vegas, NV

Average humidity in September - North Las Vegas, NV
  • Average humidity in September: 24%

The month with the highest relative humidity is January (48%).
The month with the lowest relative humidity is June (15%).

Average rainfall in September
North Las Vegas, NV

Average rainfall in September - North Las Vegas, NV
  • Average rainfall in September: 0.51"

The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is June (0.08").

Average rainfall days in September
North Las Vegas, NV

Average rainfall days in September - North Las Vegas, NV
  • Average rainfall days in September: 5.3 days

The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is June (1.4 days).

Average snowfall in September
North Las Vegas, NV

Average snowfall in September - North Las Vegas, NV
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in September
North Las Vegas, NV

Average snowfall days in September - North Las Vegas, NV
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
North Las Vegas, NV

Average daylight in September / Average sunshine in September - North Las Vegas, NV
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 10h and 2min

The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

Average sunshine days in September
North Las Vegas, NV

Average sunshine days in September - North Las Vegas, NV
  • Average sunshine days in September: 22 days

The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is July (18.1 days).

Average UV index in September
North Las Vegas, NV

Average UV index in September - North Las Vegas, NV
  • Average UV index in September: 6

The months with the highest UV index are June and July (UV index 8).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in September
North Las Vegas, NV

Average cloud cover in September - North Las Vegas, NV
  • Average cloud cover in September: 7

The month with the most cloud cover is December (Cloud cover 20).
The months with the least cloud cover are June and August (Cloud cover 6).

Average visibility in September
North Las Vegas, NV

Average visibility in September - North Las Vegas, NV
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

North Las Vegas, Nevada, USA

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