September weather forecast
Boswell, OK

Weather in September

September, the first month of the autumn in Boswell, is also a moderately hot month, with an average temperature ranging between min 65.7°F (18.7°C) and max 85.8°F (29.9°C).

Temperature

In Boswell, the average high-temperature in September marginally drops from a tropical 93.4°F (34.1°C) in August to a moderately hot 85.8°F (29.9°C). In Boswell, the average low-temperature is 65.7°F (18.7°C).

Heat index

In September, the average heat index is evaluated at a hot 93.7°F (34.3°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, metabolic differences, differences in body mass, height, and shape), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

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

Rainfall

In Boswell, it is raining for 12 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, in Boswell, there are 125.9 rainfall days, and 19.49" (495mm) of precipitation is accumulated.

Snowfall

In Boswell, Oklahoma, snow does not fall in April through October.

Daylight

The average length of the day in September in Boswell, Oklahoma, is 12h and 22min.
On the first day of September, sunrise is at 6:57 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:09 pm CDT.

Sunshine

In Boswell, the average sunshine in September is 8.9h.

UV index

In Boswell, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 6 in September transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Boswell?

The average high-temperature, in September, in Boswell, Oklahoma, is 85.8°F (29.9°C), while the average low-temperature is 65.7°F (18.7°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 93.7°F (34.3°C).

What is the average humidity in September in Boswell?

In September, the average relative humidity is 68%.

How many days does it rain in September in Boswell?

In Boswell, Oklahoma, in September, during 12 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

When it does not snow in Boswell?

In Boswell, Oklahoma, snow does not fall in April through October.

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

In September, the average day length in Boswell is 12h and 22min.

When are sunrise and sunset in September in Boswell?

On the first day of September in Boswell, Oklahoma, sunrise is at 6:57 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:09 pm CDT.

How long on average sun shines in September in Boswell?

In Boswell, the average sunshine duration in September is 8.9h.

What is the UV index reading in September in Boswell?

In September, the average daily maximum UV index in Boswell is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Boswell, OK

Average temperature in September - Boswell, OK
  • Average high temperature in September: 85.8°F

The warmest month (with the highest average high temperature) is August (93.4°F).
The month with the lowest average high temperature is January (50.5°F).

  • Average low temperature in September: 65.7°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).

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Average pressure in September
Boswell, OK

Average pressure in September - Boswell, 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 (29.91"Hg).

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Average wind speed in September
Boswell, OK

Average wind speed in September - Boswell, OK
  • Average wind speed in September: 6.5mph

The windiest months (with the highest average wind speed) are March and April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in September
Boswell, OK

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

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (65%).

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Average rainfall in September
Boswell, OK

Average rainfall in September - Boswell, OK
  • Average rainfall in September: 1.69"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is January (0.83").

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Average rainfall days in September
Boswell, OK

Average rainfall days in September - Boswell, OK
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is January (6.9 days).

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Average snowfall in September
Boswell, OK

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

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Boswell, OK

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

The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Boswell, OK
  • Average daylight in September: 12h and 22min

The month with the longest days is June (Average daylight: 14h and 23min).
The month with the shortest days is December (Average daylight: 9h and 56min).

  • Average sunshine in September: 8h and 54min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in September
Boswell, OK

Average sunshine days in September - Boswell, OK
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is January (21.2 days).
The month with the least sunshine days is May (14.2 days).

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Average UV index in September
Boswell, OK

Average UV index in September - Boswell, OK
  • Average UV index in September: 6

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
Boswell, OK

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

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

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Average visibility in September
Boswell, OK

Average visibility in September - Boswell, 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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