September weather forecast
Plains, KS

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Plains, Kansas, with an average temperature varying between 63.1°F (17.3°C) and 84.2°F (29°C).

Temperature

The move into September indicates a slight reduction in the average high-temperature, down from August's tropical 91.6°F (33.1°C) to a warm 84.2°F (29°C). Nighttime temperatures in September average to an enjoyable 63.1°F (17.3°C) in Plains.

Heat index

For most parts of September, the heat index is estimated at a hot 86°F (30°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

In September, the average relative humidity in Plains is 54%.

Rainfall

In Plains, in September, during 9.1 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, there are 93.1 rainfall days, and 15.16" (385mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Plains, Kansas.

Daylight

The average length of the day in September in Plains is 12h and 25min.
On the first day of September in Plains, sunrise is at 7:13 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:26 pm CDT.

Sunshine

In Plains, Kansas, the average sunshine in September is 9.3h.

UV index

In Plains, Kansas, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 5 in September leads to these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

How hot is it in Plains in September?

The average high-temperature, in September, in Plains, is 84.2°F (29°C), while the average low-temperature is 63.1°F (17.3°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is estimated at 86°F (30°C).

What is the average humidity in September in Plains?

In Plains, the average relative humidity in September is 54%.

How much does it rain in Plains in September?

In Plains, Kansas, in September, it is raining for 9.1 days, with typically 0.98" (25mm) of accumulated precipitation.

When it does not snow in Plains?

May through October are months without snowfall.

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

The average day length in September in Plains, Kansas, is 12h and 25min.

What time are sunrise and sunset in September in Plains?

On the first day of September, sunrise is at 7:13 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:26 pm CDT.

How many hours of sunshine does Plains have in September?

In Plains, Kansas, the average sunshine duration in September is 9.3h.

How high is the UV index in September in Plains?

In Plains, Kansas, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to 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
Plains, KS

Average temperature in September - Plains, KS
  • Average high temperature in September: 84.2°F

The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is December (45.5°F).

  • Average low temperature in September: 63.1°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (28°F).

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Average pressure in September
Plains, KS

Average pressure in September - Plains, KS
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in September
Plains, KS

Average wind speed in September - Plains, KS
  • Average wind speed in September: 11.4mph

The windiest month (with the highest average wind speed) is April (13.2mph).
The calmest month (with the lowest average wind speed) is August (10.3mph).

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Average humidity in September
Plains, KS

Average humidity in September - Plains, KS
  • Average humidity in September: 54%

The month with the highest relative humidity is December (60%).
The months with the lowest relative humidity are June and July (50%).

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Average rainfall in September
Plains, KS

Average rainfall in September - Plains, KS
  • Average rainfall in September: 0.98"

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is November (0.35").

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Average rainfall days in September
Plains, KS

Average rainfall days in September - Plains, KS
  • Average rainfall days in September: 9.1 days

The months with the highest number of rainy days are July and August (13.5 days).
The month with the least rainy days is January (2.1 days).

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Average snowfall in September
Plains, KS

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

The months with the highest snowfall are January and February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Plains, KS

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

The month with the highest number of snowfall days is February (3.8 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
Plains, KS

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in September
Plains, KS

Average sunshine days in September - Plains, KS
  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is January (27.3 days).
The month with the least sunshine days is August (13 days).

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Average UV index in September
Plains, KS

Average UV index in September - Plains, 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 November and December (UV index 2).

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Average cloud cover in September
Plains, KS

Average cloud cover in September - Plains, KS
  • Average cloud cover in September: 20

The months with the most cloud cover are February and April (Cloud cover 28).
The month with the least cloud cover is June (Cloud cover 16).

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Average visibility in September
Plains, KS

Average visibility in September - Plains, 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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Plains, Kansas, USA

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