September weather forecast
Las Vegas, NM

Weather in September

The first month of the autumn, September, is also a moderately hot month in Las Vegas, New Mexico, with an average temperature fluctuating between 52.7°F (11.5°C) and 73.8°F (23.2°C).

Temperature

In Las Vegas, the average high-temperature in September slightly decreases from a moderately hot 80.2°F (26.8°C) in August to a still warm 73.8°F (23.2°C). The average low-temperature, in September, is 52.7°F (11.5°C).

Humidity

In September, the average relative humidity is 52%.

Rainfall

In Las Vegas, in September, during 8 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Las Vegas, New Mexico, during the entire year, the rain falls for 76.1 days and collects up to 9.17" (233mm) of precipitation.

Snowfall

June through September are months without snowfall in Las Vegas.

Daylight

In Las Vegas, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:33 am and sunset at 7:28 pm. On the last day of September, in Las Vegas, sunrise is at 6:55 am and sunset at 6:46 pm MDT.

Sunshine

In Las Vegas, New Mexico, the average sunshine in September is 10.9h.

UV index

The average daily maximum UV index in September in Las Vegas is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in September in Las Vegas?

The average relative humidity in September in Las Vegas, New Mexico, is 52%.

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

In Las Vegas, in September, it is raining for 8 days, with typically 0.87" (22mm) of accumulated precipitation.

When it does not snow in Las Vegas?

In Las Vegas, snow does not fall in June through September.

Does it snow in Las Vegas in September?

In Las Vegas, in September, it doesn't snow. In October, it regularly snows.

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

The average day length in September in Las Vegas, New Mexico, is 12h and 23min.

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

In September, on the first day of the month, sunrise is at 6:33 am and sunset at 7:28 pm. On the last day of the month, in Las Vegas, New Mexico, sunrise is at 6:55 am and sunset at 6:46 pm MDT.

How long on average sun shines in September in Las Vegas?

In Las Vegas, New Mexico, the average sunshine duration in September is 10.9h.

How high is the UV index in September in Las Vegas?

In September, the average daily maximum UV index in Las Vegas, New Mexico, is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Las Vegas, NM

Average temperature in September - Las Vegas, NM
  • Average high temperature in September: 73.8°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is December (42.1°F).

  • Average low temperature in September: 52.7°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).

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Average pressure in September
Las Vegas, NM

Average pressure in September - Las Vegas, NM
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is April (29.87"Hg).

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Average wind speed in September
Las Vegas, NM

Average wind speed in September - Las Vegas, NM
  • Average wind speed in September: 7.8mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

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Average humidity in September
Las Vegas, NM

Average humidity in September - Las Vegas, NM
  • Average humidity in September: 52%

The months with the highest relative humidity are January and December (61%).
The months with the lowest relative humidity are April and June (37%).

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Average rainfall in September
Las Vegas, NM

Average rainfall in September - Las Vegas, NM
  • Average rainfall in September: 0.87"

The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is November (0.47").

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Average rainfall days in September
Las Vegas, NM

Average rainfall days in September - Las Vegas, NM
  • Average rainfall days in September: 8 days

The month with the highest number of rainy days is July (11.5 days).
The month with the least rainy days is November (2.6 days).

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Average snowfall in September
Las Vegas, NM

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

The month with the highest snowfall is January (5.04").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Las Vegas, NM

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

The month with the highest number of snowfall days is December (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Las Vegas, NM

Average daylight in September / Average sunshine in September - Las Vegas, NM
  • Average daylight in September: 12h and 23min

The month with the longest days is June (Average daylight: 14h and 32min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 10h and 54min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January and February (Average sunshine: 7h and 0min).

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Average sunshine days in September
Las Vegas, NM

Average sunshine days in September - Las Vegas, NM
  • Average sunshine days in September: 19.4 days

The month with the most sunshine days is November (24.6 days).
The month with the least sunshine days is July (17.3 days).

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Average UV index in September
Las Vegas, NM

Average UV index in September - Las Vegas, NM
  • Average UV index in September: 5

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Las Vegas, NM

Average cloud cover in September - Las Vegas, NM
  • Average cloud cover in September: 16

The months with the most cloud cover are February, July and December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 13).

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Average visibility in September
Las Vegas, NM

Average visibility in September - Las Vegas, NM
  • 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).

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