September weather forecast
Mesilla Park, NM

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Mesilla Park, New Mexico, with an average temperature varying between 84.4°F (29.1°C) and 66.6°F (19.2°C).

Temperature

The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a hot 90.5°F (32.5°C) in August to a moderately hot 84.4°F (29.1°C). Mesilla Park experiences a consistent average temperature of 66.6°F (19.2°C) throughout the nights in September.

Heat index

September's average heat index is computed to be 84.2°F (29°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

In Mesilla Park, the average relative humidity in September is 44%.

Rainfall

In Mesilla Park, New Mexico, in September, during 12.5 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Mesilla Park, New Mexico, during the entire year, the rain falls for 84.4 days and collects up to 9.72" (247mm) of precipitation.

Snowfall

In Mesilla Park, 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 the month, sunrise is at 6:42 am and sunset at 7:30 pm. On the last day of September, in Mesilla Park, sunrise is at 7:00 am and sunset at 6:52 pm MDT.

Sunshine

In Mesilla Park, the average sunshine in September 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 health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, an average UV index of 6 transforms into the following instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

In Mesilla Park, 84.4°F (29.1°C) is the average high-temperature and 66.6°F (19.2°C) is the average low-temperature during September. In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 84.2°F (29°C).

What is the average humidity in September?

The average relative humidity in September is 44%.

How many days does it rain in September?

In Mesilla Park, in September, during 12.5 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

When it does not snow?

March through October are months without snowfall.

What is the average length of the day in September?

The average day length in September is 12h and 21min.

When are sunrise and sunset in September?

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.

How long on average sun shines in September?

In September, the average sunshine duration is 11.1h.

How high is the UV index in September?

In Mesilla Park, the average daily maximum UV index in September is 6. A UV Index reading 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
Mesilla Park, NM

Average temperature in September - Mesilla Park, 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 Park, NM

Average pressure in September - Mesilla Park, 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 Park, NM

Average wind speed in September - Mesilla Park, 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 Park, NM

Average humidity in September - Mesilla Park, 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 Park, NM

Average rainfall in September - Mesilla Park, 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 Park, NM

Average rainfall days in September - Mesilla Park, 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 Park, NM

Average snowfall in September - Mesilla Park, 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 Park, NM

Average snowfall days in September - Mesilla Park, 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 Park, NM

Average daylight in September / Average sunshine in September - Mesilla Park, 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 Park, NM

Average sunshine days in September - Mesilla Park, 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 Park, NM

Average UV index in September - Mesilla Park, 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 Park, NM

Average cloud cover in September - Mesilla Park, 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 Park, NM

Average visibility in September - Mesilla Park, 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 Park, New Mexico, USA

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