September weather forecast
Santa Rosa, NM

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Weather in September

September, the first month of the autumn in Santa Rosa, is still a warm month, with an average temperature fluctuating between 60.8°F (16°C) and 81.3°F (27.4°C).

Temperature

Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a hot 88.9°F (31.6°C) to a warm 81.3°F (27.4°C). Throughout the nights in September, Santa Rosa experiences an average low-temperature of 60.8°F (16°C).

Heat index

Throughout September, the heat index is appraised at 82.4°F (28°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The average relative humidity in September is 48%.

Rainfall

In September, in Santa Rosa, the rain falls for 9.2 days. Throughout September, 1.06" (27mm) of precipitation is accumulated. Throughout the year, there are 78.6 rainfall days, and 9.06" (230mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Santa Rosa, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:24 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:43 pm MDT.

Sunshine

The average sunshine in September is 10.8h.

UV index

The average daily maximum UV index in September in Santa Rosa, New Mexico, is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 5 suggests these recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

What are the temperatures in Santa Rosa in September?

The high-temperature in Santa Rosa, New Mexico, during September is 81.3°F (27.4°C) and the low-temperature is 60.8°F (16°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in September is appraised at 82.4°F (28°C).

What is the average humidity in September in Santa Rosa?

The average relative humidity in September in Santa Rosa, New Mexico, is 48%.

How much does it rain in Santa Rosa in September?

In September, the rain falls for 9.2 days. Throughout September, 1.06" (27mm) of precipitation is accumulated.

When it does not snow in Santa Rosa?

In Santa Rosa, snow does not fall in May through September.

Does it snow in Santa Rosa in September?

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

How many hours of daylight does Santa Rosa have in September?

In Santa Rosa, the average day length in September is 12h and 23min.

When are sunrise and sunset in September in Santa Rosa?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:24 pm. On the last day of the month, in Santa Rosa, sunrise is at 6:53 am and sunset at 6:43 pm MDT.

How many hours of sunshine does Santa Rosa have in September?

In Santa Rosa, New Mexico, the average sunshine duration in September is 10.8h.

What is the UV index reading in September in Santa Rosa?

In Santa Rosa, New Mexico, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
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
Santa Rosa, NM

Average temperature in September - Santa Rosa, NM
  • Average high temperature in September: 81.3°F

The warmest months (with the highest average high temperature) are June and July (90°F).
The month with the lowest average high temperature is December (49.3°F).

  • Average low temperature in September: 60.8°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

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Average pressure in September
Santa Rosa, NM

Average pressure in September - Santa Rosa, NM
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is April (29.86"Hg).

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Average wind speed in September
Santa Rosa, NM

Average wind speed in September - Santa Rosa, NM
  • Average wind speed in September: 10.1mph

The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (9mph).

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Average humidity in September
Santa Rosa, NM

Average humidity in September - Santa Rosa, NM
  • Average humidity in September: 48%

The month with the highest relative humidity is December (52%).
The month with the lowest relative humidity is April (31%).

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Average rainfall in September
Santa Rosa, NM

Average rainfall in September - Santa Rosa, NM
  • Average rainfall in September: 1.06"

The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in September
Santa Rosa, NM

Average rainfall days in September - Santa Rosa, NM
  • Average rainfall days in September: 9.2 days

The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is November (2.4 days).

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Average snowfall in September
Santa Rosa, NM

Average snowfall in September - Santa Rosa, NM
  • Average snowfall in September: 0"

The month with the highest snowfall is November (1.85").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Santa Rosa, NM

Average snowfall days in September - Santa Rosa, NM
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and December (3.5 days).
The 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
Santa Rosa, NM

Average daylight in September / Average sunshine in September - Santa Rosa, 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 54min).

  • Average sunshine in September: 10h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 7h and 6min).

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Average sunshine days in September
Santa Rosa, NM

Average sunshine days in September - Santa Rosa, NM
  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is November (25.5 days).
The month with the least sunshine days is July (14 days).

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Average UV index in September
Santa Rosa, NM

Average UV index in September - Santa Rosa, NM
  • Average UV index in September: 5

The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in September
Santa Rosa, NM

Average cloud cover in September - Santa Rosa, NM
  • Average cloud cover in September: 16

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 12).

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Average visibility in September
Santa Rosa, NM

Average visibility in September - Santa Rosa, 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).

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Santa Rosa, New Mexico, USA

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