September weather forecast
Las Cruces, NM

The lovely hilly countryside in Las Cruces, New Mexico
The lovely hilly countryside in Las Cruces, New Mexico

Weather in September

September, the first month of the autumn in Las Cruces, is still a warm month, with an average temperature ranging between min 66.6°F (19.2°C) and max 84.4°F (29.1°C).

Temperature

In Las Cruces, the average high-temperature in September marginally drops from a tropical 90.5°F (32.5°C) in August to a warm 84.4°F (29.1°C). In September, the average low-temperature is 66.6°F (19.2°C).

Heat index

The average heat index in September is computed to be 84.4°F (29.1°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, metabolic differences, wind). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Las Cruces, the average relative humidity in September is 44%.

Rainfall

In Las Cruces, New Mexico, it is raining for 12.5 days, with typically 1.61" (41mm) of accumulated precipitation. In Las Cruces, during the entire year, the rain falls for 84.4 days and collects up to 9.72" (247mm) of precipitation.

Snowfall

March through October are months without snowfall in Las Cruces.

Daylight

In September, the average length of the day is 12h and 21min.
On the first day of September, sunrise is at 6:42 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:53 pm MDT.

Sunshine

In September, the average sunshine is 11.1h.

UV index

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in September interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Las Cruces?

In September, in Las Cruces, New Mexico, the average high-temperature is 84.4°F (29.1°C), and the average low-temperature is 66.6°F (19.2°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 84.4°F (29.1°C).

What is the average humidity in September in Las Cruces?

In September, the average relative humidity in Las Cruces, New Mexico, is 44%.

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

In September, in Las Cruces, New Mexico, the rain falls for 12.5 days. Throughout September, 1.61" (41mm) of precipitation is accumulated.

When it does not snow in Las Cruces?

March through October are months without snowfall in Las Cruces, New Mexico.

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

In Las Cruces, the average day length in September is 12h and 21min.

What time are sunrise and sunset in September in Las Cruces?

In September, on the first day of the month, sunrise is at 6:42 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:53 pm MDT.

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

In September, the average sunshine duration in Las Cruces, New Mexico, is 11.1h.

What is the UV index reading in September in Las Cruces?

The average daily maximum UV index in September in Las Cruces, New Mexico, is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
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 Cruces, NM

Average temperature in September - Las Cruces, NM
  • Average high temperature in September: 84.4°F

The warmest month (with the highest average high temperature) is June (93.9°F).
The month with the lowest average high temperature is January (53.6°F).

  • Average low temperature in September: 66.6°F

The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).

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Average pressure in September
Las Cruces, NM

Average pressure in September - Las Cruces, NM
  • Average pressure in September: 29.94"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in September
Las Cruces, NM

Average wind speed in September - Las Cruces, NM
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is January (6mph).

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Average humidity in September
Las Cruces, NM

Average humidity in September - Las Cruces, NM
  • Average humidity in September: 44%

The month with the highest relative humidity is December (50%).
The months with the lowest relative humidity are April and May (22%).

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Average rainfall in September
Las Cruces, NM

Average rainfall in September - Las Cruces, NM
  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is July (2.28").
The driest month (with the least rainfall) is April (0.12").

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Average rainfall days in September
Las Cruces, NM

Average rainfall days in September - Las Cruces, NM
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is May (2.8 days).

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Average snowfall in September
Las Cruces, NM

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

The month with the highest snowfall is December (0.67").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

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Average snowfall days in September
Las Cruces, NM

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

The month with the highest number of snowfall days is December (1.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Las Cruces, NM
  • Average daylight in September: 12h and 21min

The month with the longest days is June (Average daylight: 14h and 14min).
The month with the shortest days is December (Average daylight: 10h and 4min).

  • Average sunshine in September: 11h and 6min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

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Average sunshine days in September
Las Cruces, NM

Average sunshine days in September - Las Cruces, NM
  • Average sunshine days in September: 13.8 days

The months with the most sunshine days are January and April (26.8 days).
The month with the least sunshine days is July (10.3 days).

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Average UV index in September
Las Cruces, NM

Average UV index in September - Las Cruces, NM
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

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Average cloud cover in September
Las Cruces, NM

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

The months with the most cloud cover are July and December (Cloud cover 18).
The month with the least cloud cover is May (Cloud cover 8).

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Average visibility in September
Las Cruces, NM

Average visibility in September - Las Cruces, 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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