September weather forecastKeota, OK
September
Weather in September
The first month of the autumn, September, is still a warm month in Keota, Oklahoma, with an average temperature ranging between max 84.9°F (29.4°C) and min 64°F (17.8°C).Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from a tropical 91.9°F (33.3°C) in August to a moderately hot 84.9°F (29.4°C). Throughout September nights, Keota experiences a consistent temperature average of 64°F (17.8°C).Heat index
September's heat index is appraised at a hot 93.2°F (34°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.For clarity, heat index numbers account for light winds and areas under shade. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
In September, the average relative humidity is 70%.Rainfall
In Keota, in September, it is raining for 12.5 days, with typically 2.72" (69mm) of accumulated precipitation. Throughout the year, in Keota, there are 149.8 rainfall days, and 34.76" (883mm) of precipitation is accumulated.Snowfall
In Keota, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 6:52 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:04 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In Keota, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Keota, OK
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in September
Keota, OK
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Keota, OK
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity in September
Keota, OK
- Average humidity in September: 70%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Keota, OK
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and February (2.09").
Average rainfall days in September
Keota, OK
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Keota, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Keota, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 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
Keota, OK
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 9h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Keota, OK
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is May (12 days).
Average UV index in September
Keota, OK
- 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
Keota, OK
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Keota, 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).





