September weather forecast
Grenville, NM

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Weather in September

September, the first month of the autumn in Grenville, is still a warm month, with an average temperature fluctuating between 58.8°F (14.9°C) and 79.5°F (26.4°C).

Temperature

A mild shift in the average high-temperature occurs in September, reducing from a tropical 86.4°F (30.2°C) in August to a warm 79.5°F (26.4°C). In September, the average low-temperature in Grenville records at a refreshing 58.8°F (14.9°C) during the nights.

Humidity

The average relative humidity in September is 51%.

Rainfall

In Grenville, in September, it is raining for 9.7 days, with typically 0.83" (21mm) of accumulated precipitation. In Grenville, during the entire year, the rain falls for 88.4 days and collects up to 11.34" (288mm) of precipitation.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of the month, sunrise is at 6:26 am and sunset at 7:22 pm. On the last day of September, in Grenville, sunrise is at 6:49 am and sunset at 6:38 pm MDT.

Sunshine

In Grenville, the average sunshine in September is 10.4h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What are September temperatures in Grenville?

Grenville in September has an average high-temperature of 79.5°F (26.4°C) and an average low-temperature of 58.8°F (14.9°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in August is appraised at 87.8°F (31°C).

What is the average humidity in September in Grenville?

In September, the average relative humidity in Grenville is 51%.

How many days does it rain in September in Grenville?

In September, in Grenville, the rain falls for 9.7 days. Throughout September, 0.83" (21mm) of precipitation is accumulated.

When it does not snow in Grenville?

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

Does it snow in Grenville in September?

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

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

In Grenville, New Mexico, the average day length in September is 12h and 24min.

When are sunrise and sunset in September in Grenville?

On the first day of September, sunrise is at 6:26 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:38 pm MDT.

How many hours of sunshine does Grenville have in September?

In Grenville, New Mexico, the average sunshine duration in September is 10.4h.

What is the UV index reading in September in Grenville?

In September, the average daily maximum UV index in Grenville, New Mexico, is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Grenville, NM

Average temperature in September - Grenville, NM
  • Average high temperature in September: 79.5°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (45.5°F).

  • Average low temperature in September: 58.8°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is December (27.7°F).

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Average pressure in September
Grenville, NM

Average pressure in September - Grenville, NM
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in September
Grenville, NM

Average wind speed in September - Grenville, NM
  • Average wind speed in September: 11.5mph

The windiest month (with the highest average wind speed) is April (13.4mph).
The calmest month (with the lowest average wind speed) is August (10.1mph).

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Average humidity in September
Grenville, NM

Average humidity in September - Grenville, NM
  • Average humidity in September: 51%

The month with the highest relative humidity is December (54%).
The month with the lowest relative humidity is April (40%).

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Average rainfall in September
Grenville, NM

Average rainfall in September - Grenville, NM
  • Average rainfall in September: 0.83"

The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is November (0.35").

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Average rainfall days in September
Grenville, NM

Average rainfall days in September - Grenville, NM
  • Average rainfall days in September: 9.7 days

The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is November (2.1 days).

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Average snowfall in September
Grenville, NM

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

The month with the highest snowfall is February (1.97").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Grenville, NM

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

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 10h and 2min

The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).

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Average sunshine days in September
Grenville, NM

Average sunshine days in September - Grenville, NM
  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is November (25.5 days).
The month with the least sunshine days is July (13.3 days).

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Average UV index in September
Grenville, NM

Average UV index in September - Grenville, 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
Grenville, NM

Average cloud cover in September - Grenville, NM
  • Average cloud cover in September: 17

The months with the most cloud cover are February, April and December (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 14).

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Average visibility in September
Grenville, NM

Average visibility in September - Grenville, 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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Grenville, New Mexico, USA

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