September weather forecast
Whitefield, OK

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Weather in September

September, the first month of the autumn in Whitefield, is still a warm month, with an average temperature fluctuating between 84.7°F (29.3°C) and 64°F (17.8°C).

Temperature

With the arrival of September, Whitefield experiences a modest decline in average high-temperatures, transitioning from a hot 92.1°F (33.4°C) in August to a warm 84.7°F (29.3°C). Whitefield's nighttime temperature in September falls to an average of 64°F (17.8°C).

Heat index

The heat index for September is computed to be a tropical 91.4°F (33°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

In Whitefield, the average relative humidity in September is 70%.

Rainfall

In Whitefield, in September, during 9.4 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 102.8 rainfall days, and 11.3" (287mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In Whitefield, the average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:54 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:05 pm CDT.

Sunshine

In Whitefield, the average sunshine in September is 9.3h.

UV index

In September, the average daily maximum UV index in Whitefield, Oklahoma, is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: During September, 5 as the daily maximum UV index converts into the following advice:
Heed the precautions - Suggestions to avoid sunburn are made. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

How hot does it get in September?

During September, Whitefield experiences an average high-temperature of 84.7°F (29.3°C) and a low-temperature of 64°F (17.8°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 91.4°F (33°C).

What is the average humidity in September?

In September, the average relative humidity is 70%.

How much does it rain in September?

In Whitefield, during September, the rain falls for 9.4 days and regularly aggregates up to 0.83" (21mm) of precipitation.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in September?

In Whitefield, Oklahoma, the average day length in September is 12h and 23min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:54 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:05 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9.3h.

What is the UV index reading in September?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Whitefield, OK

Average temperature in September - Whitefield, OK
  • Average high temperature in September: 84.7°F

The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (48.2°F).

  • Average low temperature in September: 64°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).

Average pressure in September
Whitefield, OK

Average pressure in September - Whitefield, 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
Whitefield, OK

Average wind speed in September - Whitefield, OK
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is April (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in September
Whitefield, OK

Average humidity in September - Whitefield, 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 (68%).

Average rainfall in September
Whitefield, OK

Average rainfall in September - Whitefield, OK
  • Average rainfall in September: 0.83"

The wettest month (with the highest rainfall) is May (1.46").
The driest months (with the least rainfall) are January, February and November (0.67").

Average rainfall days in September
Whitefield, OK

Average rainfall days in September - Whitefield, OK
  • Average rainfall days in September: 9.4 days

The month with the highest number of rainy days is July (11.6 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in September
Whitefield, OK

Average snowfall in September - Whitefield, OK
  • Average snowfall in September: 0"

The month with the highest snowfall is December (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Whitefield, OK

Average snowfall days in September - Whitefield, 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
Whitefield, OK

Average daylight in September / Average sunshine in September - Whitefield, OK
  • Average daylight in September: 12h and 2min

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 2min

The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in September
Whitefield, OK

Average sunshine days in September - Whitefield, OK
  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is July (16.6 days).

Average UV index in September
Whitefield, OK

Average UV index in September - Whitefield, 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
Whitefield, OK

Average cloud cover in September - Whitefield, OK
  • Average cloud cover in September: 26

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in September
Whitefield, OK

Average visibility in September - Whitefield, 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).

Whitefield, Oklahoma, USA

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