September weather forecast
Byars, OK

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Weather in September

September, the first month of the autumn in Byars, is still a warm month, with an average temperature varying between 84.2°F (29°C) and 65.5°F (18.6°C).

Temperature

The shift from August to September includes a small decrease in the average high-temperature, from a hot 93°F (33.9°C) to a warm 84.2°F (29°C). In September, the average low-temperature in Byars records at a refreshing 65.5°F (18.6°C) during the nights.

Heat index

The heat index value during September is calculated to be a tropical 89.6°F (32°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

In Byars, the average relative humidity in September is 68%.

Rainfall

In Byars, in September, it is raining for 13.5 days, with typically 2.76" (70mm) of accumulated precipitation. Throughout the year, there are 129.2 rainfall days, and 26.93" (684mm) of precipitation is accumulated.

Snowfall

In Byars, snow does not fall in May through October.

Daylight

In September, the average length of the day in Byars is 12h and 23min.
On the first day of September in Byars, sunrise is at 7:01 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:13 pm CDT.

Sunshine

The average sunshine in September is 8.4h.

UV index

In Byars, Oklahoma, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in September transforms into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Frequently asked questions

How hot is it in Byars in September?

The average high-temperature and low-temperature during September are 84.2°F (29°C) and 65.5°F (18.6°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 89.6°F (32°C).

What is the average humidity in September in Byars?

In Byars, Oklahoma, the average relative humidity in September is 68%.

How much does it rain in Byars in September?

In Byars, during September, the rain falls for 13.5 days and regularly aggregates up to 2.76" (70mm) of precipitation.

When it does not snow in Byars?

In Byars, snow does not fall in May through October.

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

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

When is the sunrise / sunset in September in Byars?

On the first day of September in Byars, sunrise is at 7:01 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:13 pm CDT.

How long on average sun shines in September in Byars?

In Byars, the average sunshine duration in September is 8.4h.

How high is the UV index in September in Byars?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe 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
Byars, OK

Average temperature in September - Byars, OK
  • Average high temperature in September: 84.2°F

The warmest month (with the highest average high temperature) is August (93°F).
The month with the lowest average high temperature is January (49.3°F).

  • Average low temperature in September: 65.5°F

The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

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Average pressure in September
Byars, OK

Average pressure in September - Byars, 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).

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Average wind speed in September
Byars, OK

Average wind speed in September - Byars, OK
  • Average wind speed in September: 7.9mph

The windiest month (with the highest average wind speed) is March (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).

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Average humidity in September
Byars, OK

Average humidity in September - Byars, OK
  • Average humidity in September: 68%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (61%).

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Average rainfall in September
Byars, OK

Average rainfall in September - Byars, OK
  • Average rainfall in September: 2.76"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is January (1.26").

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Average rainfall days in September
Byars, OK

Average rainfall days in September - Byars, OK
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (5.8 days).

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Average snowfall in September
Byars, OK

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

The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Byars, OK

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

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Byars, 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 54min).

  • Average sunshine in September: 8h and 2min

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 48min).

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Average sunshine days in September
Byars, OK

Average sunshine days in September - Byars, OK
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is January (23 days).
The month with the least sunshine days is May (13.3 days).

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Average UV index in September
Byars, OK

Average UV index in September - Byars, 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).

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Average cloud cover in September
Byars, OK

Average cloud cover in September - Byars, OK
  • Average cloud cover in September: 28

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in September
Byars, OK

Average visibility in September - Byars, 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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Byars, Oklahoma, USA

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