September weather forecastAcme, NM
September
Weather in September
The first month of the autumn, September, is still a warm month in Acme, New Mexico, with temperature in the range of an average low of 66°F (18.9°C) and an average high of 85.8°F (29.9°C).Temperature
September brings a slight decrease in the average high-temperature, shifting from a hot 93.6°F (34.2°C) in August to a warm 85.8°F (29.9°C). Nightly temperatures in Acme drop to an average low of 66°F (18.9°C) in September.Heat index
For September, the heat index is computed to be a tropical 86°F (30°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are extremely significant for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
The average relative humidity in September is 47%.Rainfall
The month with the most rainfall in Acme is September, when the rain falls for 10.2 days and typically aggregates up to 1.61" (41mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September, sunrise is at 6:31 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:42 pm MDT.
Sunshine
In Acme, the average sunshine in September is 10.5h.UV index
In Acme, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 6 in September translates into these instructions:
Shun overexposure. Protection from sun ravages is indispensable. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Acme, NM
- Average high temperature in September: 85.8°F
The warmest month (with the highest average high temperature) is June (94.8°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in September: 66°F
The months with the highest average low temperature are July and August (73.4°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure in September
Acme, NM
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Acme, NM
- Average wind speed in September: 9.1mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is December (7.3mph).
Average humidity in September
Acme, NM
- Average humidity in September: 47%
The month with the highest relative humidity is December (49%).
The month with the lowest relative humidity is April (26%).
Average rainfall in September
Acme, NM
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is September (1.61").
The driest months (with the least rainfall) are January, February and November (0.24").
Average rainfall days in September
Acme, NM
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is July (11.3 days).
The month with the least rainy days is November (2.4 days).
Average snowfall in September
Acme, NM
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Acme, NM
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Acme, NM
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Acme, NM
- Average sunshine days in September: 17 days
The month with the most sunshine days is January (26.9 days).
The month with the least sunshine days is August (16.5 days).
Average UV index in September
Acme, NM
- Average UV index in September: 6
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
Acme, NM
- Average cloud cover in September: 18
The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 11).
Average visibility in September
Acme, 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).





