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
A modest decline in the average high-temperature is seen during September, decreasing from a tropical 88.2°F (31.2°C) in August to a moderately hot 80.8°F (27.1°C). Throughout September, the average low-temperature records at an enjoyable 62.2°F (16.8°C).Heat index
The heat index for September is computed to be 84.2°F (29°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
In South Coffeyville, the average relative humidity in September is 73%.Rainfall
In South Coffeyville, Oklahoma, during September, the rain falls for 12.3 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, in South Coffeyville, Oklahoma, there are 133.1 rainfall days, and 29.21" (742mm) of precipitation is accumulated.Snowfall
April, June through October are months without snowfall in South Coffeyville.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September in South Coffeyville, Oklahoma, sunrise is at 6:53 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:06 pm CDT.
Sunshine
In South Coffeyville, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the usual temperature for South Coffeyville in September?
What is the average humidity in September in South Coffeyville?
How much does it rain in South Coffeyville in September?
When it does not snow in South Coffeyville?
What is the average length of the day in September in South Coffeyville?
What time are sunrise and sunset in September in South Coffeyville?
How long on average sun shines in September in South Coffeyville?
How high is the UV index in September in South Coffeyville?
Average temperature in September
South Coffeyville, OK
- Average high temperature in September: 80.8°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in September
South Coffeyville, 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 (29.89"Hg).
Average wind speed in September
South Coffeyville, OK
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is March (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in September
South Coffeyville, OK
- Average humidity in September: 73%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and October (69%).
Average rainfall in September
South Coffeyville, OK
- Average rainfall in September: 2.68"
The wettest month (with the highest rainfall) is May (5.28").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in September
South Coffeyville, OK
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
South Coffeyville, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
South Coffeyville, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
South Coffeyville, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
South Coffeyville, OK
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in September
South Coffeyville, OK
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
South Coffeyville, OK
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 24).
Average visibility in September
South Coffeyville, 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).
South Coffeyville, Oklahoma, USA
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