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 move into September indicates a slight reduction in the average high-temperature, down from August's tropical 91°F (32.8°C) to a moderately hot 84.2°F (29°C). Okay in September experiences a low-temperature average of 63.7°F (17.6°C).Heat index
Throughout September, the heat index is estimated at a tropical 91.4°F (33°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In September, the average relative humidity is 70%.Rainfall
In Okay, during September, the rain falls for 11.4 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Okay, during the entire year, the rain falls for 134.9 days and collects up to 32.36" (822mm) of precipitation.Snowfall
In Okay, Oklahoma, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of September in Okay, sunrise is at 6:53 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:05 pm CDT.
Sunshine
In Okay, Oklahoma, the average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
How hot is September in Okay?
What is the average humidity in September in Okay?
How many days does it rain in September in Okay?
When it does not snow in Okay?
How many hours of daylight does Okay have in September?
When is the sunrise / sunset in September in Okay?
How many hours of sunshine does Okay have in September?
What is the UV index intensity in September in Okay?
Average temperature in September
Okay, OK
- Average high temperature in September: 84.2°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in September: 63.7°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Okay, 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 (29.91"Hg).
Average wind speed in September
Okay, OK
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
Okay, OK
- Average humidity in September: 70%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Okay, OK
- Average rainfall in September: 2.8"
The wettest month (with the highest rainfall) is May (4.69").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in September
Okay, OK
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in September
Okay, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Okay, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
Okay, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Okay, OK
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in September
Okay, OK
- Average UV index in September: 5
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
Okay, OK
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Okay, 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).
Okay, Oklahoma, USA
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