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
September witnesses a gentle descent in average high-temperature, descending from August's tropical 90.1°F (32.3°C) to a warm 81.7°F (27.6°C). September in Arch generally records an average low-temperature of 61.2°F (16.2°C).Heat index
September's mean heat index is computed to be 82.4°F (28°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.Note that heat index values are valued for light wind and location in the shade. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In Arch, the average relative humidity in September is 53%.Rainfall
In September, the rain falls for 12.1 days. Throughout September, 1.73" (44mm) of precipitation is accumulated. Throughout the year, in Arch, New Mexico, there are 86.6 rainfall days, and 11.77" (299mm) of precipitation is accumulated.Snowfall
In Arch, snow does not fall in May through September.Daylight
In Arch, New Mexico, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:26 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:37 pm MDT.
Sunshine
In September, the average sunshine is 10.2h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 5 in September translates into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the usual temperature for Arch in September?
What is the average humidity in September in Arch?
How many days does it rain in September in Arch?
When it does not snow in Arch?
Does it snow in Arch in September?
How many hours of daylight does Arch have in September?
When is the sunrise / sunset in September in Arch?
How many hours of sunshine does Arch have in September?
What is the UV index reading in September in Arch?
Average temperature in September
Arch, NM
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is June (90.7°F).
The month with the lowest average high temperature is December (50°F).
- Average low temperature in September: 61.2°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).
Average pressure in September
Arch, NM
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Arch, NM
- Average wind speed in September: 10.6mph
The windiest month (with the highest average wind speed) is April (13.3mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).
Average humidity in September
Arch, NM
- Average humidity in September: 53%
The month with the highest relative humidity is December (54%).
The month with the lowest relative humidity is April (34%).
Average rainfall in September
Arch, NM
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is October (1.81").
The driest month (with the least rainfall) is November (0.28").
Average rainfall days in September
Arch, NM
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is November (2.6 days).
Average snowfall in September
Arch, NM
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Arch, NM
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (3.5 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
Arch, NM
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January, February and December (Average sunshine: 7h and 0min).
Average sunshine days in September
Arch, NM
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is January (26.4 days).
The month with the least sunshine days is August (14 days).
Average UV index in September
Arch, NM
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Arch, NM
- Average cloud cover in September: 19
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 13).
Average visibility in September
Arch, 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).
Arch, New Mexico, USA
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