September weather forecastMillerton, OK
September
Weather in September
September, the first month of the autumn in Millerton, is still a tropical month, with an average temperature fluctuating between 87.3°F (30.7°C) and 65.7°F (18.7°C).Temperature
Millerton's progression into September involves a gentle drop in the average high-temperature, from 93.7°F (34.3°C) in August to a still tropical 87.3°F (30.7°C). Millerton registers a prominent dip from daytime highs, with an average of 65.7°F (18.7°C) during the nights of September.Heat index
For September, the heat index is computed to be a sweltering 96.8°F (36°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Records show heat index calculations are tailored for shaded regions and mild winds. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly important for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
In September, the average relative humidity is 68%.Rainfall
September is the month with the least rainfall. Rain falls for 12.1 days and accumulates 2.32" (59mm) of precipitation.Snowfall
In Millerton, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 22min.On the first day of September in Millerton, sunrise is at 6:54 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:05 pm CDT.
Sunshine
The average sunshine in September is 9.3h.UV index
In Millerton, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: During September, 6 as the daily maximum UV index converts into the following advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Millerton, OK
- Average high temperature in September: 87.3°F
The warmest month (with the highest average high temperature) is August (93.7°F).
The month with the lowest average high temperature is January (51.3°F).
- Average low temperature in September: 65.7°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in September
Millerton, OK
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Millerton, OK
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Millerton, OK
- Average humidity in September: 68%
The months with the highest relative humidity are February, March and May (78%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Millerton, OK
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is May (5.24").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in September
Millerton, OK
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in September
Millerton, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Millerton, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 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
Millerton, OK
- Average daylight in September: 12h and 24min
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: 9h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Millerton, OK
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in September
Millerton, OK
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Millerton, OK
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Millerton, OK
- 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).





