September weather forecastAlamogordo, NM
September
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
During the shift to September, Alamogordo records a mild decrease in average high-temperature, moving from a hot 87.1°F (30.6°C) in August to a warm 81°F (27.2°C). September witnesses an average low-temperature hovering around a refreshing 63.1°F (17.3°C).Heat index
The heat index value during September is appraised at 80.6°F (27°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.Observations indicate that the heat index values are for shady locations with light wind. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In September, the average relative humidity is 44%.Rainfall
In Alamogordo, in September, during 6.9 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Alamogordo, during the entire year, the rain falls for 60.2 days and collects up to 5.79" (147mm) of precipitation.Snowfall
In Alamogordo, New Mexico, snow does not fall in March through October.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:49 pm MDT.
Sunshine
In Alamogordo, the average sunshine in September is 11.2h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in September /
Average sunshine in September
Alamogordo, NM
- Average daylight in September: 12h and 24min
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 12min
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).
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).
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).
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).
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).
