September weather forecast
Bison, KS

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Bison, Kansas, with an average temperature ranging between max 82.8°F (28.2°C) and min 61.9°F (16.6°C).

Temperature

The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a hot 90.3°F (32.4°C) in August to a moderately hot 82.8°F (28.2°C). Throughout September in Bison, a steady low-temperature average of 61.9°F (16.6°C) is noted.

Heat index

The average heat index in September is appraised at a tropical 86°F (30°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. 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 remain especially vital for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In Bison, the average relative humidity in September is 59%.

Rainfall

In Bison, in September, it is raining for 10 days, with typically 1.18" (30mm) of accumulated precipitation. In Bison, during the entire year, the rain falls for 97.2 days and collects up to 16.61" (422mm) of precipitation.

Snowfall

In Bison, Kansas, snow does not fall in May through September.

Daylight

In September, the average length of the day in Bison is 12h and 25min.
On the first day of the month, sunrise is at 7:06 am and sunset at 8:06 pm. On the last day of September, in Bison, sunrise is at 7:32 am and sunset at 7:20 pm CDT.

Sunshine

The average sunshine in September in Bison, Kansas, is 9h.

UV index

In September, the average daily maximum UV index in Bison is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 5 during September translates into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

Is it hot in Bison during September?

In Bison, 82.8°F (28.2°C) is the average high-temperature and 61.9°F (16.6°C) is the average low-temperature during September. In September, 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, is appraised at 86°F (30°C).

What is the average humidity in September in Bison?

In September, the average relative humidity in Bison is 59%.

How much does it rain in Bison in September?

In Bison, Kansas, in September, it is raining for 10 days, with typically 1.18" (30mm) of accumulated precipitation.

When it does not snow in Bison?

May through September are months without snowfall in Bison.

Does it snow in Bison in September?

In Bison, Kansas, in September, it doesn't snow. In October, it regularly snows.

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

In September, the average day length in Bison is 12h and 25min.

When are sunrise and sunset in September in Bison?

In September, on the first day of the month, sunrise is at 7:06 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:20 pm CDT.

How long on average sun shines in September in Bison?

In September, the average sunshine duration is 9h.

How high is the UV index in September in Bison?

In Bison, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk from 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
Bison, KS

Average temperature in September - Bison, KS
  • Average high temperature in September: 82.8°F

The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is December (43.2°F).

  • Average low temperature in September: 61.9°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in September
Bison, KS

Average pressure in September - Bison, KS
  • 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 (29.84"Hg).

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Average wind speed in September
Bison, KS

Average wind speed in September - Bison, KS
  • Average wind speed in September: 11.1mph

The windiest month (with the highest average wind speed) is April (12.8mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).

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Average humidity in September
Bison, KS

Average humidity in September - Bison, KS
  • Average humidity in September: 59%

The months with the highest relative humidity are January and December (65%).
The month with the lowest relative humidity is July (54%).

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Average rainfall in September
Bison, KS

Average rainfall in September - Bison, KS
  • Average rainfall in September: 1.18"

The wettest month (with the highest rainfall) is May (2.87").
The driest months (with the least rainfall) are January and November (0.47").

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Average rainfall days in September
Bison, KS

Average rainfall days in September - Bison, KS
  • Average rainfall days in September: 10 days

The month with the highest number of rainy days is August (13.1 days).
The month with the least rainy days is January (2.7 days).

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Average snowfall in September
Bison, KS

Average snowfall in September - Bison, KS
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.97").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Bison, KS

Average snowfall days in September - Bison, KS
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Bison, KS

Average daylight in September / Average sunshine in September - Bison, KS
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).

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Average sunshine days in September
Bison, KS

Average sunshine days in September - Bison, KS
  • Average sunshine days in September: 18.4 days

The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is August (14.4 days).

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Average UV index in September
Bison, KS

Average UV index in September - Bison, KS
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Bison, KS

Average cloud cover in September - Bison, KS
  • Average cloud cover in September: 22

The months with the most cloud cover are February and April (Cloud cover 34).
The month with the least cloud cover is June (Cloud cover 18).

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Average visibility in September
Bison, KS

Average visibility in September - Bison, KS
  • 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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Bison, Kansas, USA

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