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
September brings a minor shift in the average high-temperature, adjusting from a hot 93.7°F (34.3°C) in August to a warm 84.7°F (29.3°C). Wynnewood anticipates an average minimum temperature of 66°F (18.9°C) in the month of September.Heat index
September's mean heat index is appraised at a tropical 91.4°F (33°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Consider that heat index readings are for situations in the shade and light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. 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 remain especially vital for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
The average relative humidity in September is 67%.Rainfall
In September, in Wynnewood, the rain falls for 12.6 days. Throughout September, 2.68" (68mm) of precipitation is accumulated. Throughout the year, in Wynnewood, there are 126.3 rainfall days, and 25.75" (654mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Wynnewood is 12h and 23min.On the first day of September, sunrise is at 7:02 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:13 pm CDT.
Sunshine
The average sunshine in September in Wynnewood, Oklahoma, is 8.5h.UV index
In Wynnewood, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 in September translates into this advice:
Take precautions - Protection against sun damage is advised. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
How hot does it get in Wynnewood in September?
What is the average humidity in September in Wynnewood?
How many days does it rain in September in Wynnewood?
When it does not snow in Wynnewood?
What is the average length of the day in September in Wynnewood?
When is the sunrise / sunset in September in Wynnewood?
How many hours of sunshine does Wynnewood have in September?
How high is the UV index in September in Wynnewood?
Average temperature in September
Wynnewood, OK
- Average high temperature in September: 84.7°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 (49.8°F).
- Average low temperature in September: 66°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in September
Wynnewood, OK
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Wynnewood, OK
- Average wind speed in September: 7.9mph
The windiest months (with the highest average wind speed) are March and April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in September
Wynnewood, OK
- Average humidity in September: 67%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Wynnewood, OK
- Average rainfall in September: 2.68"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in September
Wynnewood, OK
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in September
Wynnewood, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Wynnewood, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Wynnewood, OK
- Average daylight in September: 12h and 2min
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: 8h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Wynnewood, OK
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in September
Wynnewood, 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
Wynnewood, OK
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Wynnewood, 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).
Wynnewood, Oklahoma, USA
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