September weather forecast
Alamogordo, NM

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High rocks and cliffs on the slopes of a high hill overlooking the gorgeous Alamogordo Mountain ranges in New Mexico
High rocks and cliffs on the slopes of a high hill overlooking the gorgeous Alamogordo Mountain ranges in New Mexico

Weather in September

September arrives with a transformative change in weather patterns for Alamogordo, New Mexico. Temperatures lower to a much more agreeable high of 81°F (27.2°C). September marks the transition from the intense heat of the summer towards the refreshing coolness of autumn. With rainfall levels steady at 0.75" (19mm), the city savors the last vestiges of the summer heat as it prepares for the cooler days of October.

Temperature

As August makes way for September, Alamogordo's average high-temperature eases from a tropical 87.1°F (30.6°C) to a warm 81°F (27.2°C). During September, Alamogordo's temperature averages to a comfortable 63.1°F (17.3°C) at night.

Heat index

The heat index value for September is appraised at 80.6°F (27°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

The average relative humidity in September in Alamogordo is 44%.

Rainfall

In September, in Alamogordo, New Mexico, the rain falls for 6.9 days. Throughout September, 0.75" (19mm) of precipitation is accumulated. In Alamogordo, during the entire year, the rain falls for 60.2 days and collects up to 5.79" (147mm) of precipitation.

Snowfall

March through October are months without snowfall.

Daylight

In September, the average length of the day in Alamogordo, New Mexico, is 12h and 22min.
On the first day of September, sunrise is at 6:38 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:49 pm MDT.

Sunshine

The average sunshine in September is 11.2h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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Frequently asked questions

What is the temperature in September in Alamogordo?

An average high-temperature, in September, in Alamogordo, is 81°F (27.2°C) and the average low-temperature is 63.1°F (17.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is appraised at 80.6°F (27°C).

What is the average humidity in September in Alamogordo?

The average relative humidity in September in Alamogordo, New Mexico, is 44%.

How much does it rain in Alamogordo in September?

In September, in Alamogordo, the rain falls for 6.9 days. Throughout September, 0.75" (19mm) of precipitation is accumulated.

When it does not snow in Alamogordo?

In Alamogordo, snow does not fall in March through October.

How many hours of daylight does Alamogordo have in September?

In September, the average day length in Alamogordo is 12h and 22min.

When are sunrise and sunset in September in Alamogordo?

On the first day of September, sunrise is at 6:38 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:49 pm MDT.

How long on average sun shines in September in Alamogordo?

The average sunshine duration in September in Alamogordo is 11.2h.

What is the UV index reading in September in Alamogordo?

The average daily maximum UV index in September in Alamogordo, New Mexico, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Alamogordo, NM

Average temperature in September - Alamogordo, NM
  • Average high temperature in September: 81°F

The warmest month (with the highest average high temperature) is June (89.1°F).
The month with the lowest average high temperature is January (50.7°F).

  • Average low temperature in September: 63.1°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).

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Average pressure in September
Alamogordo, NM

Average pressure in September - Alamogordo, NM
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in September
Alamogordo, NM

Average wind speed in September - Alamogordo, NM
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in September
Alamogordo, NM

Average humidity in September - Alamogordo, NM
  • Average humidity in September: 44%

The month with the highest relative humidity is December (51%).
The months with the lowest relative humidity are April and May (25%).

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Average rainfall in September
Alamogordo, NM

Average rainfall in September - Alamogordo, NM
  • Average rainfall in September: 0.75"

The wettest month (with the highest rainfall) is July (1.14").
The driest month (with the least rainfall) is April (0.16").

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Average rainfall days in September
Alamogordo, NM

Average rainfall days in September - Alamogordo, NM
  • Average rainfall days in September: 6.9 days

The month with the highest number of rainy days is July (11.2 days).
The month with the least rainy days is May (2.9 days).

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Average snowfall in September
Alamogordo, NM

Average snowfall in September - Alamogordo, NM
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.79").
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
Alamogordo, NM

Average snowfall days in September - Alamogordo, NM
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (1.8 days).
The months with the least snowfall days are March, April, May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Alamogordo, NM

Average daylight in September / Average sunshine in September - Alamogordo, NM
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 11h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 18min).

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Average sunshine days in September
Alamogordo, NM

Average sunshine days in September - Alamogordo, NM
  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is April (27.1 days).
The month with the least sunshine days is July (13 days).

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Average UV index in September
Alamogordo, NM

Average UV index in September - Alamogordo, NM
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in September
Alamogordo, NM

Average cloud cover in September - Alamogordo, NM
  • Average cloud cover in September: 13

The month with the most cloud cover is July (Cloud cover 16).
The months with the least cloud cover are May and June (Cloud cover 8).

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Average visibility in September
Alamogordo, NM

Average visibility in September - Alamogordo, 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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Alamogordo, New Mexico, USA

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