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 is characterized by a mild reduction in the average high-temperature, from a tropical 90.5°F (32.5°C) in August to a warm 84.4°F (29.1°C). Throughout September, Mesilla records an average temperature of 66.6°F (19.2°C) at night.Heat index
September's mean heat index is estimated at 84.2°F (29°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.Always consider that heat index estimations are for light winds and places in the shade. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In Mesilla, the average relative humidity in September is 44%.Rainfall
In Mesilla, 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
March through October are months without snowfall.Daylight
The average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:31 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:52 pm MDT.
Sunshine
In Mesilla, the average sunshine in September is 11.1h.UV index
In Mesilla, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 6 suggests these recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Mesilla?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Mesilla have in September?
How high is the UV index in September in Mesilla?
Average temperature in September
Mesilla, 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
Mesilla, 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
Mesilla, 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
Mesilla, 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
Mesilla, 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
Mesilla, 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
Mesilla, 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
Mesilla, 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
Mesilla, 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
Mesilla, 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
Mesilla, 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
Mesilla, 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
Mesilla, 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).
Mesilla, New Mexico, USA
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