September weather forecast
Jay, OK

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Weather in September

The first month of the autumn, September, is still a warm month in Jay, Oklahoma, with an average temperature fluctuating between 62.4°F (16.9°C) and 82°F (27.8°C).

Temperature

The start of September signals a gentle decrease in the average high-temperature, transitioning from a hot 89.2°F (31.8°C) in August to a moderately hot 82°F (27.8°C). Throughout September, Jay witnesses a nighttime temperature average of 62.4°F (16.9°C).

Heat index

Throughout September, the heat index is computed to be a hot 87.8°F (31°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important 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 Jay, the average relative humidity in September is 72%.

Rainfall

In Jay, during September, the rain falls for 12.4 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Jay, during the entire year, the rain falls for 143.6 days and collects up to 32.52" (826mm) of precipitation.

Snowfall

April, June through October are months without snowfall in Jay.

Daylight

In Jay, the average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:51 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:03 pm CDT.

Sunshine

In September, the average sunshine in Jay, Oklahoma, is 9.4h.

UV index

In Jay, the average daily maximum UV index in September 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 suggests these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What is the temperature in September in Jay?

The high-temperature during September is 82°F (27.8°C) and the low-temperature is 62.4°F (16.9°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 87.8°F (31°C).

What is the average humidity in September in Jay?

In September, the average relative humidity in Jay is 72%.

How many days does it rain in September in Jay?

In Jay, Oklahoma, in September, during 12.4 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

When it does not snow in Jay?

April, June through October are months without snowfall in Jay, Oklahoma.

What is the average length of the day in September in Jay?

The average day length in September in Jay is 12h and 24min.

When is the sunrise / sunset in September in Jay?

In September, on the first day of the month, sunrise is at 6:51 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:03 pm CDT.

How long on average sun shines in September in Jay?

The average sunshine duration in September is 9.4h.

What is the UV index reading in September in Jay?

In Jay, Oklahoma, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
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
Jay, OK

Average temperature in September - Jay, OK
  • Average high temperature in September: 82°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (44.4°F).

  • Average low temperature in September: 62.4°F

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in September
Jay, OK

Average pressure in September - Jay, OK
  • Average pressure in September: 30.01"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).

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Average wind speed in September
Jay, OK

Average wind speed in September - Jay, OK
  • Average wind speed in September: 7.5mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

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Average humidity in September
Jay, OK

Average humidity in September - Jay, OK
  • Average humidity in September: 72%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are August and October (70%).

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Average rainfall in September
Jay, OK

Average rainfall in September - Jay, OK
  • Average rainfall in September: 2.83"

The wettest month (with the highest rainfall) is May (4.96").
The driest month (with the least rainfall) is February (1.65").

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Average rainfall days in September
Jay, OK

Average rainfall days in September - Jay, OK
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is December (7.5 days).

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Average snowfall in September
Jay, OK

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

The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, June, July, August, September and October (0").

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Average snowfall days in September
Jay, OK

Average snowfall days in September - Jay, OK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Jay, OK

Average daylight in September / Average sunshine in September - Jay, 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 42min).

  • Average sunshine in September: 9h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

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Average sunshine days in September
Jay, OK

Average sunshine days in September - Jay, OK
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is April (12.9 days).

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Average UV index in September
Jay, OK

Average UV index in September - Jay, OK
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in September
Jay, OK

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

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in September
Jay, OK

Average visibility in September - Jay, 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).

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Jay, Oklahoma, USA

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