September weather forecast
Cottonwood Falls, KS

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Cottonwood Falls, Kansas, with an average temperature fluctuating between 60.6°F (15.9°C) and 79.5°F (26.4°C).

Temperature

September signifies a gentle decline in Cottonwood Falls's average high-temperature, easing from a tropical 86.4°F (30.2°C) in August to a moderately hot 79.5°F (26.4°C). During September, Cottonwood Falls experiences a consistent low-temperature average of 60.6°F (15.9°C).

Humidity

In Cottonwood Falls, the average relative humidity in September is 72%.

Rainfall

In Cottonwood Falls, in September, it is raining for 13 days, with typically 2.2" (56mm) of accumulated precipitation. In Cottonwood Falls, Kansas, during the entire year, the rain falls for 131.6 days and collects up to 28.03" (712mm) of precipitation.

Snowfall

June through September are months without snowfall in Cottonwood Falls, Kansas.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:56 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:10 pm CDT.

Sunshine

The average sunshine in September is 8.9h.

UV index

In Cottonwood Falls, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 5 in September translates into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. To guard against the harmful effects of the Sun, minimize exposure during midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
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Frequently asked questions

What are the temperatures in Cottonwood Falls in September?

The high-temperature during September is 79.5°F (26.4°C) and the low-temperature is 60.6°F (15.9°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in August is estimated at 96.8°F (36°C).

What is the average humidity in September in Cottonwood Falls?

In September, the average relative humidity in Cottonwood Falls, Kansas, is 72%.

How much does it rain in Cottonwood Falls in September?

In Cottonwood Falls, Kansas, during September, the rain falls for 13 days and regularly aggregates up to 2.2" (56mm) of precipitation.

When it does not snow in Cottonwood Falls?

June through September are months without snowfall in Cottonwood Falls.

Does it snow in Cottonwood Falls in September?

In Cottonwood Falls, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Cottonwood Falls have in September?

The average day length in September in Cottonwood Falls is 12h and 25min.

When are sunrise and sunset in September in Cottonwood Falls?

In September, on the first day of the month, sunrise is at 6:56 am and sunset at 7:55 pm. On the last day of the month, in Cottonwood Falls, sunrise is at 7:21 am and sunset at 7:10 pm CDT.

How many hours of sunshine does Cottonwood Falls have in September?

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

What is the UV index intensity in September in Cottonwood Falls?

In Cottonwood Falls, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Cottonwood Falls, KS

Average temperature in September - Cottonwood Falls, KS
  • Average high temperature in September: 79.5°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in September: 60.6°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

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Average pressure in September
Cottonwood Falls, KS

Average pressure in September - Cottonwood Falls, KS
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in September
Cottonwood Falls, KS

Average wind speed in September - Cottonwood Falls, KS
  • Average wind speed in September: 9.4mph

The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

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Average humidity in September
Cottonwood Falls, KS

Average humidity in September - Cottonwood Falls, KS
  • Average humidity in September: 72%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (66%).

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Average rainfall in September
Cottonwood Falls, KS

Average rainfall in September - Cottonwood Falls, KS
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is May (5.59").
The driest month (with the least rainfall) is January (0.83").

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Average rainfall days in September
Cottonwood Falls, KS

Average rainfall days in September - Cottonwood Falls, KS
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (3.8 days).

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Average snowfall in September
Cottonwood Falls, KS

Average snowfall in September - Cottonwood Falls, KS
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Cottonwood Falls, KS

Average snowfall days in September - Cottonwood Falls, KS
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Cottonwood Falls, KS

Average daylight in September / Average sunshine in September - Cottonwood Falls, 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: 8h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

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Average sunshine days in September
Cottonwood Falls, KS

Average sunshine days in September - Cottonwood Falls, KS
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in September
Cottonwood Falls, KS

Average UV index in September - Cottonwood Falls, KS
  • Average UV index in September: 5

The month with the highest UV index is June (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
Cottonwood Falls, KS

Average cloud cover in September - Cottonwood Falls, KS
  • Average cloud cover in September: 27

The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are June, July and August (Cloud cover 24).

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Average visibility in September
Cottonwood Falls, KS

Average visibility in September - Cottonwood Falls, 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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Cottonwood Falls, Kansas, USA

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