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
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a tropical 91.9°F (33.3°C) in August to a warm 83.5°F (28.6°C). Monument encounters a steady low-temperature average of 65.3°F (18.5°C) throughout the month of September.Heat index
In September, the average heat index is calculated to be 84.2°F (29°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. 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. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
September is the most humid month, with an average relative humidity of 53%.Rainfall
September is the month with the most rainfall. Rain falls for 12.4 days and accumulates 2.2" (56mm) of precipitation.Snowfall
In Monument, snow does not fall in April through September.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:17 pm. On the last day of September, sunrise is at 6:46 am and sunset at 6:38 pm MDT.
Sunshine
The average sunshine in September is 9.9h.UV index
In Monument, New Mexico, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 6 in September leads to these recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the most humid month?
What is the average humidity in September?
What is the rainiest month in Monument?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Monument have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Monument, NM
- Average high temperature in September: 83.5°F
The warmest month (with the highest average high temperature) is June (92.8°F).
The month with the lowest average high temperature is January (53.6°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Monument, NM
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Monument, NM
- Average wind speed in September: 10.3mph
The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest months (with the lowest average wind speed) are January and December (10.1mph).
Average humidity in September
Monument, NM
- Average humidity in September: 53%
The month with the highest relative humidity is September (53%).
The month with the lowest relative humidity is April (32%).
Average rainfall in September
Monument, NM
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is September (2.2").
The driest month (with the least rainfall) is February (0.24").
Average rainfall days in September
Monument, NM
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is September (12.4 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in September
Monument, 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 and September (0").
Average snowfall days in September
Monument, NM
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (1.9 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
Monument, NM
- Average daylight in September: 12h and 2min
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: 9h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Monument, NM
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is January (27.1 days).
The month with the least sunshine days is September (15.4 days).
Average UV index in September
Monument, NM
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Monument, NM
- Average cloud cover in September: 22
The month with the most cloud cover is September (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility in September
Monument, 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).
Monument, New Mexico, USA
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