September weather forecastAlto, NM
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Alto, New Mexico, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 55°F (12.8°C).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 78.6°F (25.9°C) in August to a pleasant 73°F (22.8°C). September nights are marked by an average low-temperature of 55°F (12.8°C).Humidity
The months with the highest humidity are September and December, with an average relative humidity of 56%.Rainfall
In Alto, in September, during 15.6 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, there are 105.3 rainfall days, and 18.5" (470mm) of precipitation is accumulated.Snowfall
In Alto, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:47 pm MDT.
Sunshine
In Alto, New Mexico, the average sunshine in September is 10.7h.UV index
The average daily maximum UV index in September in Alto is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alto, NM
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is June (81.3°F).
The month with the lowest average high temperature is December (45.1°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in September
Alto, NM
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Alto, NM
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Alto, NM
- Average humidity in September: 56%
The months with the highest relative humidity are September and December (56%).
The month with the lowest relative humidity is April (30%).
Average rainfall in September
Alto, NM
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is August (4.53").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in September
Alto, NM
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is August (21.7 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in September
Alto, NM
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Alto, NM
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alto, 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: 10h and 42min
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 0min).
Average sunshine days in September
Alto, NM
- Average sunshine days in September: 10.9 days
The month with the most sunshine days is November (25.8 days).
The month with the least sunshine days is July (6.2 days).
Average UV index in September
Alto, NM
- Average UV index in September: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in September
Alto, NM
- Average cloud cover in September: 19
The month with the most cloud cover is July (Cloud cover 21).
The months with the least cloud cover are May and June (Cloud cover 12).
Average visibility in September
Alto, 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).
