September weather forecast and climate
Mound Valley, KS

The first month of the autumn, September, is also a moderately hot month in Mound Valley, Kansas, with temperature in the range of an average high of 80.2°F (26.8°C) and an average low of 61.5°F (16.4°C).

Temperature

In Mound Valley, Kansas, the average high-temperature in September slightly decreases, from a tropical 87.1°F (30.6°C) in August, to a moderately hot 80.2°F (26.8°C). In September, in Mound Valley, the average low-temperature is 61.5°F (16.4°C).

Humidity

In Mound Valley, the average relative humidity in September is 74%.

Rainfall

In Mound Valley, during 10.8 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. In Mound Valley, during the entire year, the rain falls for 114.4 days and collects up to 19.69" (500mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Mound Valley, the average length of the day in September is 12.4h.

Sunshine

In September, the average sunshine in Mound Valley is 8.9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Mound Valley?

In September, in Mound Valley, Kansas, the average high-temperature is 80.2°F (26.8°C), and the average low-temperature is 61.5°F (16.4°C).

What is the average humidity in September in Mound Valley?

In Mound Valley, Kansas, the average relative humidity in September is 74%.

How much does it rain in Mound Valley in September?

In September, in Mound Valley, Kansas, the rain falls for 10.8 days. Throughout September, 1.65" (42mm) of precipitation is accumulated.

When it does not snow in Mound Valley?

April through October are months without snowfall.

What is the average length of the day in September in Mound Valley?

In Mound Valley, the average length of the day in September is 12.4h.

How long on average sun shines in September in Mound Valley?

In Mound Valley, Kansas, the average sunshine in September is 8.9h.

What is the UV index reading in September in Mound Valley?

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.
Average temperature in September - Mound Valley, KS
  • Average high temperature in September: 80.2°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (42.6°F).

  • Average low temperature in September: 61.5°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in September - Mound Valley, KS
  • Average pressure in September: 30"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.89").

Average wind speed in September - Mound Valley, KS
  • Average wind speed in September: 8mph

The windiest month (with the highest average wind speed) is March (11.2mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

Average humidity in September - Mound Valley, KS
  • Average humidity in September: 74%

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

Average rainfall in September - Mound Valley, KS
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is November (0.51").

Average rainfall days in September - Mound Valley, KS
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is December (4.6 days).

Average snowfall in September - Mound Valley, KS
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.87").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September - Mound Valley, KS
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.7 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Mound Valley, KS
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in September: 8.9h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is January (Average sunshine: 5.6h).

Average sunshine days in September - Mound Valley, KS
  • Average sunshine days in September: 17.2 days

Months with the most sunshine days are January and December (23.1 days).
The month with the least sunshine days is May (14.6 days).

Average UV index in September - Mound Valley, KS
  • Average UV index in September: 5

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September - Mound Valley, KS
  • Average cloud cover in September: 28

The month with the most cloud cover is March (Cloud cover 43).
Months with the least cloud cover are June, July and August (Cloud cover 24).

Average visibility in September - Mound Valley, KS
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).