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
In September, the average high-temperature marginally drops from a tropical 90.9°F (32.7°C) in August to a warm 83.7°F (28.7°C). Nighttime temperatures in Kellyville hover around an average low of 64.2°F (17.9°C) in September.Heat index
The heat index for September is appraised at a tropical 89.6°F (32°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.When assessing, remember that heat index measurements are for light winds and shaded spots. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
In September, the average relative humidity in Kellyville is 69%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 3.35" (85mm) of precipitation is accumulated. In Kellyville, during the entire year, the rain falls for 129.3 days and collects up to 29.13" (740mm) of precipitation.Snowfall
April through October are months without snowfall in Kellyville.Daylight
In Kellyville, the average length of the day in September is 12h and 23min.On the first day of September in Kellyville, sunrise is at 6:57 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:09 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Kellyville is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
Is it hot in Kellyville during September?
What is the average humidity in September in Kellyville?
How many days does it rain in September in Kellyville?
When it does not snow in Kellyville?
What is the average length of the day in September in Kellyville?
When are sunrise and sunset in September in Kellyville?
How many hours of sunshine does Kellyville have in September?
What is the UV index intensity in September in Kellyville?
Average temperature in September
Kellyville, OK
- Average high temperature in September: 83.7°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in September: 64.2°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Kellyville, OK
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Kellyville, OK
- Average wind speed in September: 7.6mph
The windiest months (with the highest average wind speed) are March and April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in September
Kellyville, OK
- Average humidity in September: 69%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and August (66%).
Average rainfall in September
Kellyville, OK
- Average rainfall in September: 3.35"
The wettest month (with the highest rainfall) is May (4.92").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in September
Kellyville, OK
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in September
Kellyville, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Kellyville, 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, September and October (0 days).
Average daylight in September /
Average sunshine in September
Kellyville, 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: 8h and 4min
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 42min).
Average sunshine days in September
Kellyville, OK
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in September
Kellyville, OK
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Kellyville, OK
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Kellyville, 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).
Kellyville, Oklahoma, USA
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