Portales
New Mexico, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Portales, NM

Silhouette windmill images on a small hill in Portales in NM, below the colorful yellow, orange, and grey sunset sky
Silhouette windmill images on a small hill in Portales in NM, below the colorful yellow, orange, and grey sunset sky
September, the first month of the autumn, in Portales, is also a moderately hot month, with average temperature fluctuating between 84.4°F (29.1°C) and 55.6°F (13.1°C).

Temperature

In Portales, the average high-temperature in September slightly decreases, from a tropical 89.8°F (32.1°C) in August, to a warm 84.4°F (29.1°C). In September, the average low-temperature is 55.6°F (13.1°C).

Rainfall

During September, Portales regularly aggregates up to 1.9" (48.5mm) of precipitation. During the entire year, Portales aggregates up to 17.3" (440.5mm) of precipitation.

Snowfall

In Portales, in September, it doesn't snow. In October, it regularly snows. In Portales, New Mexico, during the entire year, snow aggregates up to 6.3" (160mm).

Daylight

In Portales, the average length of the day in September is 12.4h.

What is the temperature in September in Portales?

In September, the average high-temperature is 84.4°F (29.1°C), and the average low-temperature is 55.6°F (13.1°C).

How much does it rain in Portales in September?

In Portales, New Mexico, in September, 1.9" (48.5mm) of precipitation is typically accumulated.

Does it snow in Portales in September?

In Portales, New Mexico, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Portales have in September?

The average length of the day in September in Portales, New Mexico, is 12.4h.
Average temperature in September - Portales, NM
  • Average high temperature in September: 84.4°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is December (53.4°F).

  • Average low temperature in September: 55.6°F

The month with the highest average low temperature is July (64.3°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average rainfall in September - Portales, NM
  • Average rainfall in September: 1.9"

The wettest month (with the highest rainfall) is August (3.3").
The driest month (with the lowest rainfall) is February (0.4").

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

The month with the highest snowfall is December (2.4").
Months with the lowest snowfall are May, June, July, August and September (0").

Average daylight in September - Portales, NM
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).