September weather forecast and climate
Navajo, NM

The first month of the autumn, September, is still a warm month in Navajo, New Mexico, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 73.4°F (23°C).

Temperature

In Navajo, the average high-temperature marginally drops, from a moderately hot 79.9°F (26.6°C) in August, to a still warm 73.4°F (23°C). In Navajo, in September, the average low-temperature is 54.1°F (12.3°C).

Humidity

The average relative humidity in September is 43%.

Rainfall

In September, the rain falls for 12.1 days. Throughout September, 1.54" (39mm) of precipitation is accumulated. In Navajo, during the entire year, the rain falls for 91.1 days and collects up to 12.72" (323mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

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

Sunshine

In September, the average sunshine is 10.8h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Navajo?

In September, in Navajo, the average high-temperature is 73.4°F (23°C), and the average low-temperature is 54.1°F (12.3°C).

What is the average humidity in September in Navajo?

In September, the average relative humidity in Navajo is 43%.

How many days does it rain in September in Navajo?

In Navajo, in September, during 12.1 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

Does it snow in Navajo in September?

In Navajo, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Navajo?

In Navajo, New Mexico, snow does not fall in June through September.

What is the average length of the day in September in Navajo?

The average length of the day in September in Navajo is 12.4h.

How many hours of sunshine does Navajo have in September?

In Navajo, the average sunshine in September is 10.8h.

What is the UV index reading in September in Navajo?

In September, the average daily maximum UV index in Navajo is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.
Average temperature in September - Navajo, NM
  • Average high temperature in September: 23°C

The warmest month (with the highest average high temperature) is July (27.6°C).
The month with the lowest average high temperature is January (3.2°C).

  • Average low temperature in September: 12.3°C

The month with the highest average low temperature is July (16.5°C).
The coldest month (with the lowest average low temperature) is January (-5.8°C).

Average pressure in September - Navajo, NM
  • Average pressure in September: 1014.8mbar

The month with the highest atmospheric pressure is January (1022.4mbar).
The month with the lowest atmospheric pressure is June (1011.4mbar).

Average wind speed in September - Navajo, NM
  • Average wind speed in September: 11.7km/h

The windiest month (with the highest average wind speed) is April (18.3km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).

Average humidity in September - Navajo, NM
  • Average humidity in September: 43%

The month with the highest relative humidity is January (71%).
The month with the lowest relative humidity is June (24%).

Average rainfall in September - Navajo, NM
  • Average rainfall in September: 39mm

The wettest month (with the highest rainfall) is July (70mm).
The driest month (with the least rainfall) is June (10mm).

Average rainfall days in September - Navajo, NM
  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (3.1 days).

Average snowfall in September - Navajo, NM
  • Average snowfall in September: 0mm

The month with the highest snowfall is December (163mm).
Months with the least snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is December (9 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Navajo, NM
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in September: 10.8h

The month with the most sunshine is June (Average sunshine: 11.8h).
Months with the least sunshine are January and December (Average sunshine: 6.4).

Average sunshine days in September - Navajo, NM
  • Average sunshine days in September: 13.7 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is July (8.7 days).

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

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average visibility in September - Navajo, NM
  • Average visibility in September: 10km

Months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The month with the lowest visibility is January (8km).