September weather forecast and climate
Radium, KS

September, the first month of the autumn, in Radium, is also a moderately hot month, with average temperature fluctuating between 61.7°F (16.5°C) and 82°F (27.8°C).

Temperature

In Radium, the average high-temperature slightly decreases, from a tropical 90.1°F (32.3°C) in August, to a warm 82°F (27.8°C). The average low-temperature, in September, is 61.7°F (16.5°C).

Heat index

The average heat index in September is estimated at 84.7°F (29.3°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'felt air temperature', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, differences in body mass, height, and shape, wind), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In September, the average relative humidity is 61%.

Rainfall

In Radium, Kansas, during September, the rain falls for 12 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, in Radium, there are 113 rainfall days, and 19.69" (500mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Radium.

Daylight

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

Sunshine

In September, the average sunshine is 8.9h.

UV index

In Radium, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Radium?

In September, in Radium, Kansas, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 61.7°F (16.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), that calculates temperature value influenced by the moisture in the air, in September is evaluated at 84.7°F (29.3°C).

What is the average humidity in September in Radium?

In Radium, Kansas, the average relative humidity in September is 61%.

How many days does it rain in September in Radium?

In Radium, in September, it is raining for 12 days, with typically 1.57" (40mm) of accumulated precipitation.

Does it snow in Radium in September?

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

When it does not snow in Radium?

May through September are months without snowfall in Radium, Kansas.

How many hours of daylight does Radium have in September?

The average length of the day in September in Radium is 12.4h.

How long on average sun shines in September in Radium?

The average sunshine in September in Radium is 8.9h.

How high is the UV index in September in Radium?

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.
Average temperature in September - Radium, KS
  • Average high temperature in September: 82°F

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in September: 61.7°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 (25.7°F).

Average pressure in September - Radium, KS
  • Average pressure in September: 29.97"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.84").

Average wind speed in September - Radium, KS
  • Average wind speed in September: 10.9mph

The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).

Average humidity in September - Radium, KS
  • Average humidity in September: 61%

The month with the highest relative humidity is December (66%).
The month with the lowest relative humidity is July (56%).

Average rainfall in September - Radium, KS
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (0.63").

Average rainfall days in September - Radium, KS
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (3.3 days).

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

The month with the highest snowfall is February (2.76").
Months with the least snowfall are May, June, July, August and September (0").

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

The month with the highest number of snowfall days is February (5.3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 14.8h).
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 June (Average sunshine: 11.4h).
The month with the least sunshine is December (Average sunshine: 6.2h).

Average sunshine days in September - Radium, KS
  • Average sunshine days in September: 15.3 days

Months with the most sunshine days are January and December (23.6 days).
The month with the least sunshine days is June (13 days).

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

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

Average cloud cover in September - Radium, KS
  • Average cloud cover in September: 23

Months with the most cloud cover are February, March and April (Cloud cover 34).
The month with the least cloud cover is June (Cloud cover 19).

Average visibility in September - Radium, 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).