Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September brings a minor shift in the average high-temperature, adjusting from a tropical 90.5°F (32.5°C) in August to a warm 84.4°F (29.1°C). The nights of September anticipate an average low-temperature of 66.6°F (19.2°C).Heat index
The heat index value during September is evaluated at 84.2°F (29°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
In Las Cruces, the average relative humidity in September is 44%.Rainfall
In Las Cruces, New Mexico, in September, during 12.5 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, there are 84.4 rainfall days, and 9.72" (247mm) of precipitation is accumulated.Snowfall
In Las Cruces, snow does not fall in March through October.Daylight
The average length of the day in September is 12h and 21min.On the first day of September, sunrise is at 6:42 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:52 pm MDT.
Sunshine
The average sunshine in September is 11.1h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 6 transforms into these recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Las Cruces have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Las Cruces have in September?
How high is the UV index in September?
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in September /
Average sunshine in September
Las Cruces, NM
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 11h and 1min
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).
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).
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).
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).
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).
Las Cruces, New Mexico, USA
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