September weather forecast
Bernalillo, NM

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Weather in September

September brings a sigh of relief to the residents of Bernalillo as temperatures begin to fall from the highs of summer. The decrease in temperature is most noticeable in the pleasantly cooler nights. Rainfall eases off when compared to the peak monsoon of August, heralding the onset of drier days. Despite the reduction in daily sunlight, September’s weather conditions lay down a perfect setting for community celebrations. In October, the weather continues its downward trajectory, becoming progressively cooler.

Temperature

The arrival of September in Bernalillo signals a subtle shift in temperature, down from a warm 85.6°F (29.8°C) in August to a still moderately hot 78.8°F (26°C). Bernalillo's September nights cool down to an average low-temperature of 57.6°F (14.2°C).

Humidity

The average relative humidity in September in Bernalillo is 43%.

Rainfall

In Bernalillo, in September, it is raining for 7.9 days, with typically 0.71" (18mm) of accumulated precipitation. In Bernalillo, during the entire year, the rain falls for 73 days and collects up to 6.1" (155mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:39 am and sunset at 7:32 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:50 pm MDT.

Sunshine

The average sunshine in September in Bernalillo, New Mexico, is 11.3h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 5 during September translates into the following guidance:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Bernalillo?

In Bernalillo, in September, the average high-temperature is 78.8°F (26°C), and the average low-temperature is 57.6°F (14.2°C). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 84.2°F (29°C).

What is the average humidity in September in Bernalillo?

In September, the average relative humidity in Bernalillo, New Mexico, is 43%.

How many days does it rain in September in Bernalillo?

In Bernalillo, in September, during 7.9 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

When it does not snow in Bernalillo?

In Bernalillo, snow does not fall in May through September.

Does it snow in Bernalillo in September?

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

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

The average day length in September in Bernalillo, New Mexico, is 12h and 23min.

What time are sunrise and sunset in September in Bernalillo?

On the first day of September in Bernalillo, New Mexico, sunrise is at 6:39 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:50 pm MDT.

How many hours of sunshine does Bernalillo have in September?

In September, the average sunshine duration in Bernalillo, New Mexico, is 11.3h.

What is the UV index reading in September in Bernalillo?

The average daily maximum UV index in September in Bernalillo, New Mexico, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bernalillo, NM

Average temperature in September - Bernalillo, NM
  • Average high temperature in September: 78.8°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (43.2°F).

  • Average low temperature in September: 57.6°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).

Average pressure in September
Bernalillo, NM

Average pressure in September - Bernalillo, NM
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).

Average wind speed in September
Bernalillo, NM

Average wind speed in September - Bernalillo, NM
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in September
Bernalillo, NM

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

The month with the highest relative humidity is January (63%).
The month with the lowest relative humidity is June (27%).

Average rainfall in September
Bernalillo, NM

Average rainfall in September - Bernalillo, NM
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is July (0.91").
The driest months (with the least rainfall) are February, March and June (0.35").

Average rainfall days in September
Bernalillo, NM

Average rainfall days in September - Bernalillo, NM
  • Average rainfall days in September: 7.9 days

The month with the highest number of rainy days is July (10.8 days).
The month with the least rainy days is November (4.1 days).

Average snowfall in September
Bernalillo, NM

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

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Bernalillo, NM

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

The month with the highest number of snowfall days is December (4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 11h and 2min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 7h and 6min).

Average sunshine days in September
Bernalillo, NM

Average sunshine days in September - Bernalillo, NM
  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is January (24.7 days).
The month with the least sunshine days is July (14.7 days).

Average UV index in September
Bernalillo, NM

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

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

Average cloud cover in September
Bernalillo, NM

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

The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 10).

Average visibility in September
Bernalillo, NM

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

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

Bernalillo, New Mexico, USA

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