September weather forecast
Atoka, OK

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Weather in September

September, the first month of the autumn in Atoka, is still a warm month, with an average temperature ranging between max 85.3°F (29.6°C) and min 64.9°F (18.3°C).

Temperature

In September, the meteorological conditions change slightly, with the average high-temperature moving from a tropical 93.6°F (34.2°C) in August to a moderately hot 85.3°F (29.6°C). September's nights observe an average temperature of 64.9°F (18.3°C).

Heat index

In September, the heat index is evaluated at a hot 93.2°F (34°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

In September, the average relative humidity is 69%.

Rainfall

In Atoka, in September, during 12.4 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, there are 142.1 rainfall days, and 32.01" (813mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:58 am and sunset at 7:50 pm. On the last day of September, in Atoka, sunrise is at 7:18 am and sunset at 7:09 pm CDT.

Sunshine

In Atoka, the average sunshine in September is 8.6h.

UV index

In Atoka, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 5 in September leads to these recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during September?

In Atoka, in September, the average high-temperature is 85.3°F (29.6°C), and the average low-temperature is 64.9°F (18.3°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is evaluated at 93.2°F (34°C).

What is the average humidity in September?

The average relative humidity in September is 69%.

How much does it rain in September?

In Atoka, during September, the rain falls for 12.4 days and regularly aggregates up to 2.8" (71mm) of precipitation.

When it does not snow?

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

What is the average length of the day in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:58 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:09 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.6h.

What is the UV index reading in September?

In Atoka, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes 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
Atoka, OK

Average temperature in September - Atoka, OK
  • Average high temperature in September: 85.3°F

The warmest month (with the highest average high temperature) is August (93.6°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in September: 64.9°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 (34.2°F).

Average pressure in September
Atoka, OK

Average pressure in September - Atoka, 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 (29.9"Hg).

Average wind speed in September
Atoka, OK

Average wind speed in September - Atoka, OK
  • Average wind speed in September: 6.9mph

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in September
Atoka, OK

Average humidity in September - Atoka, OK
  • Average humidity in September: 69%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (64%).

Average rainfall in September
Atoka, OK

Average rainfall in September - Atoka, OK
  • Average rainfall in September: 2.8"

The wettest month (with the highest rainfall) is May (4.88").
The driest months (with the least rainfall) are January, February and December (1.93").

Average rainfall days in September
Atoka, OK

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

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in September
Atoka, OK

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

The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Atoka, OK

Average snowfall days in September - Atoka, 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 April, May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Atoka, 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 4min

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 36min).

Average sunshine days in September
Atoka, OK

Average sunshine days in September - Atoka, OK
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is January (21.1 days).
The month with the least sunshine days is April (13.9 days).

Average UV index in September
Atoka, OK

Average UV index in September - Atoka, 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).

Average cloud cover in September
Atoka, OK

Average cloud cover in September - Atoka, OK
  • Average cloud cover in September: 29

The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in September
Atoka, OK

Average visibility in September - Atoka, 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).

Atoka, Oklahoma, USA

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