September weather forecast and climate
Belen, NM

Weather in September

September, the first month of the autumn, in Belen, is still a warm month, with average temperature varying between 60.6°F (15.9°C) and 79.9°F (26.6°C).

Temperature

In Belen, the average high-temperature slightly decreases, from a tropical 86.9°F (30.5°C) in August, to a warm 79.9°F (26.6°C). In September, the average low-temperature is 60.6°F (15.9°C).

Humidity

The average relative humidity in September is 42%.

Rainfall

In Belen, New Mexico, during 9.6 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, in Belen, there are 78.7 rainfall days, and 6.73" (171mm) of precipitation is accumulated.

Snowfall

In Belen snow does not fall in April through October.

Daylight

The average length of the day is 12.4h.

Sunshine

The average sunshine in September is 11.3h.

UV index

In Belen, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Belen?

The average high-temperature, in September, in Belen, New Mexico, is 79.9°F (26.6°C), while the average low-temperature is 60.6°F (15.9°C).

What is the average humidity in September in Belen?

In Belen, New Mexico, the average relative humidity in September is 42%.

How many days does it rain in September in Belen?

In Belen, in September, during 9.6 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

When it does not snow in Belen?

In Belen, New Mexico, snow does not fall in April through October.

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

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

How many hours of sunshine does Belen have in September?

The average sunshine in September in Belen is 11.3h.

What is the UV index intensity in September in Belen?

In September, the average daily maximum UV index in Belen, New Mexico, is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in September
Belen, NM

Average temperature in September - Belen, NM
  • Average high temperature in September: 79.9°F

The warmest month (with the highest average high temperature) is June (88.9°F).
The month with the lowest average high temperature is January (45.7°F).

  • Average low temperature in September: 60.6°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in September
Belen, NM

Average pressure in September - Belen, NM
  • Average pressure in September: 30"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is April (29.88").

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Average wind speed in September
Belen, NM

Average wind speed in September - Belen, NM
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in September
Belen, NM

Average humidity in September - Belen, NM
  • Average humidity in September: 42%

The month with the highest relative humidity is January (58%).
The month with the lowest relative humidity is June (25%).

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Average rainfall in September
Belen, NM

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

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is March (0.24").

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Average rainfall days in September
Belen, NM

Average rainfall days in September - Belen, NM
  • Average rainfall days in September: 9.6 days

The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall in September
Belen, NM

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

The month with the highest snowfall is December (1.61").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Belen, NM

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

The month with the highest number of snowfall days is December (3.4 days).
Months with the least snowfall days are April, May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 11.3h

The month with the most sunshine is June (Average sunshine: 12.1h).
Months with the least sunshine are January and December (Average sunshine: 7.2).

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Average sunshine days in September
Belen, NM

Average sunshine days in September - Belen, NM
  • Average sunshine days in September: 15 days

The month with the most sunshine days is January (25.4 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index in September
Belen, NM

Average UV index in September - Belen, 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, November and December (UV index 2).

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Average cloud cover in September
Belen, NM

Average cloud cover in September - Belen, NM
  • Average cloud cover in September: 12

The month with the most cloud cover is December (Cloud cover 18).
Months with the least cloud cover are June and October (Cloud cover 10).

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Average visibility in September
Belen, NM

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

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

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