September weather forecast
Chouteau, OK

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Weather in September

September, the first month of the autumn in Chouteau, is also a moderately hot month, with an average temperature varying between 63.3°F (17.4°C) and 82.9°F (28.3°C).

Temperature

September heralds a minor drop in average high-temperature, sliding from August's tropical 89.8°F (32.1°C) to a warm 82.9°F (28.3°C). In Chouteau, the September nights cool down to an average low of 63.3°F (17.4°C).

Heat index

In September, the average heat index is computed to be a hot 87.8°F (31°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

The average relative humidity in September in Chouteau is 71%.

Rainfall

In Chouteau, in September, during 11.7 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, in Chouteau, there are 137.3 rainfall days, and 30.04" (763mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September in Chouteau is 12h and 24min.
On the first day of the month, sunrise is at 6:53 am and sunset at 7:48 pm. On the last day of September, in Chouteau, sunrise is at 7:16 am and sunset at 7:05 pm CDT.

Sunshine

The average sunshine in September is 9.2h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In September, an average UV index of 5 transforms into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

How hot is it in Chouteau in September?

In September, in Chouteau, the average high-temperature is 82.9°F (28.3°C), and the average low-temperature is 63.3°F (17.4°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is computed to be 87.8°F (31°C).

What is the average humidity in September in Chouteau?

In September, the average relative humidity is 71%.

How many days does it rain in September in Chouteau?

In Chouteau, during September, the rain falls for 11.7 days and regularly aggregates up to 3.11" (79mm) of precipitation.

When it does not snow in Chouteau?

April through October are months without snowfall in Chouteau, Oklahoma.

How many hours of daylight does Chouteau have in September?

In Chouteau, Oklahoma, the average day length in September is 12h and 24min.

When are sunrise and sunset in September in Chouteau?

On the first day of September in Chouteau, sunrise is at 6:53 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:05 pm CDT.

How long on average sun shines in September in Chouteau?

In Chouteau, Oklahoma, the average sunshine duration in September is 9.2h.

How high is the UV index in September in Chouteau?

In Chouteau, the average daily maximum UV index in September is 5. A UV Index 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
Chouteau, OK

Average temperature in September - Chouteau, OK
  • Average high temperature in September: 82.9°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (45.3°F).

  • Average low temperature in September: 63.3°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in September
Chouteau, OK

Average pressure in September - Chouteau, OK
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in September
Chouteau, OK

Average wind speed in September - Chouteau, OK
  • Average wind speed in September: 7.4mph

The windiest months (with the highest average wind speed) are March and April (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

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Average humidity in September
Chouteau, OK

Average humidity in September - Chouteau, OK
  • Average humidity in September: 71%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in September
Chouteau, OK

Average rainfall in September - Chouteau, OK
  • Average rainfall in September: 3.11"

The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is February (1.42").

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Average rainfall days in September
Chouteau, OK

Average rainfall days in September - Chouteau, OK
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6.9 days).

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Average snowfall in September
Chouteau, OK

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

The month with the highest snowfall is February (1.61").
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
Chouteau, OK

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

The month with the highest number of snowfall days is February (2.4 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
Chouteau, OK

Average daylight in September / Average sunshine in September - Chouteau, 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 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in September
Chouteau, OK

Average sunshine days in September - Chouteau, OK
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is January (21.7 days).
The month with the least sunshine days is April (13 days).

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Average UV index in September
Chouteau, OK

Average UV index in September - Chouteau, 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
Chouteau, OK

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

The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in September
Chouteau, OK

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

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