September weather forecast
Tierra Amarilla, NM

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Weather in September

The first month of the autumn, September, is still a refreshing month in Tierra Amarilla, New Mexico, with an average temperature fluctuating between 40.6°F (4.8°C) and 65.7°F (18.7°C).

Temperature

The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's agreeable 71.1°F (21.7°C) to a refreshing 65.7°F (18.7°C). Tierra Amarilla's average low-temperature of 40.6°F (4.8°C) in September reflects a considerable decline from the daytime peak.

Humidity

In September, the average relative humidity is 59%.

Rainfall

In Tierra Amarilla, during September, the rain falls for 12.7 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Tierra Amarilla, during the entire year, the rain falls for 109 days and collects up to 22.8" (579mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Tierra Amarilla, during the entire year, snow falls for 87.5 days and aggregates up to 75.04" (1906mm) of snow.

Daylight

In Tierra Amarilla, the average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:37 am and sunset at 7:33 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:50 pm MDT.

Sunshine

The average sunshine in September in Tierra Amarilla, New Mexico, is 11h.

UV index

In Tierra Amarilla, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 3 in September translates into this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Boost your sun resistance with garments that are densely woven yet spacious. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

Tierra Amarilla in September has an average high-temperature of 65.7°F (18.7°C) and an average low-temperature of 40.6°F (4.8°C).

What is the average humidity in September?

In Tierra Amarilla, New Mexico, the average relative humidity in September is 59%.

How many days does it rain in September?

In Tierra Amarilla, during September, the rain falls for 12.7 days and regularly aggregates up to 1.65" (42mm) of precipitation.

When does it start snowing?

September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the average length of the day in September?

In September, the average day length is 12h and 24min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:37 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:50 pm MDT.

How long on average sun shines in September?

In Tierra Amarilla, the average sunshine duration in September is 11h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Tierra Amarilla, NM

Average temperature in September - Tierra Amarilla, NM
  • Average high temperature in September: 65.7°F

The warmest month (with the highest average high temperature) is July (73.8°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in September: 40.6°F

The month with the highest average low temperature is July (46.8°F).
The coldest month (with the lowest average low temperature) is January (9°F).

Average pressure in September
Tierra Amarilla, NM

Average pressure in September - Tierra Amarilla, NM
  • Average pressure in September: 30.04"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).

Average wind speed in September
Tierra Amarilla, NM

Average wind speed in September - Tierra Amarilla, NM
  • Average wind speed in September: 5mph

The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest months (with the lowest average wind speed) are January, July and August (4.7mph).

Average humidity in September
Tierra Amarilla, NM

Average humidity in September - Tierra Amarilla, NM
  • Average humidity in September: 59%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is June (42%).

Average rainfall in September
Tierra Amarilla, NM

Average rainfall in September - Tierra Amarilla, NM
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is July (4.21").
The driest month (with the least rainfall) is June (1.22").

Average rainfall days in September
Tierra Amarilla, NM

Average rainfall days in September - Tierra Amarilla, NM
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (2.1 days).

Average snowfall in September
Tierra Amarilla, NM

Average snowfall in September - Tierra Amarilla, NM
  • Average snowfall in September: 0.04"

The month with the highest snowfall is March (14.02").
The months with the least snowfall are June, July and August (0").

Average snowfall days in September
Tierra Amarilla, NM

Average snowfall days in September - Tierra Amarilla, NM
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Tierra Amarilla, NM

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 11h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

Average sunshine days in September
Tierra Amarilla, NM

Average sunshine days in September - Tierra Amarilla, NM
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in September
Tierra Amarilla, NM

Average UV index in September - Tierra Amarilla, NM
  • Average UV index in September: 3

The month with the highest UV index is June (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in September
Tierra Amarilla, NM

Average cloud cover in September - Tierra Amarilla, NM
  • Average cloud cover in September: 17

The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 13).

Average visibility in September
Tierra Amarilla, NM

Average visibility in September - Tierra Amarilla, NM
  • Average visibility in September: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).

Tierra Amarilla, New Mexico, USA

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