September weather forecast and climate
Farmington, NM

Weather in September

September, the first month of the autumn, in Farmington, is still a warm month, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 77.9°F (25.5°C).

Temperature

In September, the average high-temperature marginally drops, from 85.3°F (29.6°C) in August, to a still warm 77.9°F (25.5°C). In September, in Farmington, the average low-temperature is 58.1°F (14.5°C).

Humidity

The average relative humidity is 38%.

Rainfall

In Farmington, during September, the rain falls for 8.6 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, in Farmington, there are 88.9 rainfall days, and 9.57" (243mm) of precipitation is accumulated.

Snowfall

In Farmington, New Mexico, snow does not fall in May through September.

Daylight

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

Sunshine

The average sunshine in Farmington is 11.1h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Farmington?

In September, in Farmington, the average high-temperature is 77.9°F (25.5°C), and the average low-temperature is 58.1°F (14.5°C).

What is the average humidity in September in Farmington?

The average relative humidity in September in Farmington, New Mexico, is 38%.

How much does it rain in Farmington in September?

In Farmington, in September, during 8.6 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

Does it snow in Farmington in September?

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

When it does not snow in Farmington?

May through September are months without snowfall.

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

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

How many hours of sunshine does Farmington have in September?

The average sunshine in September in Farmington is 11.1h.

How high is the UV index in September in Farmington?

The average daily maximum UV index in September in Farmington, New Mexico, is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in September
Farmington, NM

Average temperature in September - Farmington, NM
  • Average high temperature in September: 77.9°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in September: 58.1°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

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Average pressure in September
Farmington, NM

Average pressure in September - Farmington, NM
  • Average pressure in September: 29.99"

The month with the highest atmospheric pressure is January (30.22").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed in September
Farmington, NM

Average wind speed in September - Farmington, NM
  • Average wind speed in September: 6.6mph

The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).

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Average humidity in September
Farmington, NM

Average humidity in September - Farmington, NM
  • Average humidity in September: 38%

The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is June (23%).

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Average rainfall in September
Farmington, NM

Average rainfall in September - Farmington, NM
  • Average rainfall in September: 0.94"

The wettest month (with the highest rainfall) is August (1.14").
The driest month (with the least rainfall) is June (0.28").

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Average rainfall days in September
Farmington, NM

Average rainfall days in September - Farmington, NM
  • Average rainfall days in September: 8.6 days

The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is June (3.5 days).

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Average snowfall in September
Farmington, NM

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

The month with the highest snowfall is January (5.04").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Farmington, NM

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

The month with the highest number of snowfall days is February (6.8 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Farmington, NM

Average daylight in September / Average sunshine in September - Farmington, 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: 9.7h).

  • Average sunshine in September: 11.1h

The month with the most sunshine is June (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 6.6h).

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Average sunshine days in September
Farmington, NM

Average sunshine days in September - Farmington, NM
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is June (24.4 days).
The month with the least sunshine days is July (12.3 days).

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Average UV index in September
Farmington, NM

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

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Farmington, NM

Average cloud cover in September - Farmington, NM
  • Average cloud cover in September: 11

The month with the most cloud cover is January (Cloud cover 27).
The month with the least cloud cover is June (Cloud cover 10).

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Average visibility in September
Farmington, NM

Average visibility in September - Farmington, NM
  • Average visibility in September: 6mi

Months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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