Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As August makes way for September, Grenville's average high-temperature eases from a hot 86.4°F (30.2°C) to a moderately hot 79.5°F (26.4°C). In September, Grenville's temperature tends to fall to an average low of 58.8°F (14.9°C) during the night.Humidity
The average relative humidity in September is 51%.Rainfall
In Grenville, in September, during 9.7 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Grenville, during the entire year, the rain falls for 88.4 days and collects up to 11.34" (288mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September 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, sunrise is at 6:49 am and sunset at 6:38 pm MDT.
Sunshine
The average sunshine in September in Grenville is 10.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September in Grenville?
When it does not snow?
Does it snow in September?
How many hours of daylight does Grenville have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Grenville have in September?
What is the UV index intensity in September?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Grenville, New Mexico, USA
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