September weather forecast
Boswell, OK

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Weather in September

September brings a gentle shift in Boswell's climatic pattern, as the city starts withdrawing from summer's peak. Ample rainfall and temperate climate pave the way for a splendid fall season. The landscape gradually transitions to an autumnal palette, with leaves turning hues of orange and yellow. The sunlight softens, and the wind picks up slightly, adding a refreshing edge to the mild weather.

Temperature

The shift from August to September includes a small decrease in the average high-temperature, from a tropical 93.4°F (34.1°C) to a warm 85.8°F (29.9°C). Throughout September, Boswell witnesses a consistent average low-temperature of 65.7°F (18.7°C).

Heat index

The heat index value during September is estimated at a tropical 93.2°F (34°C). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

The average relative humidity in September in Boswell is 68%.

Rainfall

In September, in Boswell, the rain falls for 12 days. Throughout September, 1.69" (43mm) of precipitation is accumulated. In Boswell, during the entire year, the rain falls for 125.9 days and collects up to 19.49" (495mm) of precipitation.

Snowfall

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

Daylight

In Boswell, the average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 6:57 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:08 pm CDT.

Sunshine

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

UV index

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 6 in September translates into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

How hot does it get in Boswell in September?

During September, Boswell experiences an average high-temperature of 85.8°F (29.9°C) and a low-temperature of 65.7°F (18.7°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is estimated at 93.2°F (34°C).

What is the average humidity in September in Boswell?

The average relative humidity in September in Boswell 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?

April through October are months without snowfall in Boswell.

How many hours of daylight does Boswell have in September?

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

What time are sunrise and sunset in September in Boswell?

In September, on the first day of the month, sunrise is at 6:57 am and sunset at 7:48 pm. On the last day of the month, in Boswell, Oklahoma, sunrise is at 7:17 am and sunset at 7:08 pm CDT.

How many hours of sunshine does Boswell have in September?

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

What is the UV index intensity in September in Boswell?

The average daily maximum UV index in September in Boswell, Oklahoma, is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
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 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 5min

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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Boswell, Oklahoma, USA

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