September weather forecast and climate
Richfield, KS

September, the first month of the autumn, in Richfield, is still a warm month, with average temperature varying between 62.4°F (16.9°C) and 83.3°F (28.5°C).

Temperature

In Richfield, Kansas, the average high-temperature marginally drops, from a tropical 90.7°F (32.6°C) in August, to a moderately hot 83.3°F (28.5°C). In Richfield, Kansas, in September, the average low-temperature is 62.4°F (16.9°C).

Heat index

In September, the average heat index is appraised at 84°F (28.9°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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', 'felt air temperature', 'real feel', or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (differences in body mass, height, and shape, metabolic differences, clothing). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity is 49%.

Rainfall

In Richfield, in September, during 9.7 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Richfield, during the entire year, the rain falls for 91.7 days and collects up to 13.46" (342mm) of precipitation.

Snowfall

June through September are months without snowfall in Richfield.

Daylight

In Richfield, Kansas, the average length of the day is 12.4h.

Sunshine

The average sunshine in September is 9.4h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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 Richfield?

In Richfield, in September, the average high-temperature is 83.3°F (28.5°C), and the average low-temperature is 62.4°F (16.9°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), that represents influence of the relative humidity to air temperaure, is calculated to 84°F (28.9°C).

What is the average humidity in September in Richfield?

The average relative humidity in September in Richfield is 49%.

How much does it rain in Richfield in September?

In Richfield, Kansas, in September, it is raining for 9.7 days, with typically 0.98" (25mm) of accumulated precipitation.

Does it snow in Richfield in September?

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

When it does not snow in Richfield?

In Richfield snow does not fall in June through September.

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

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

How long on average sun shines in September in Richfield?

In September, the average sunshine in Richfield, Kansas, is 9.4h.

What is the UV index intensity in September in Richfield?

In Richfield, Kansas, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.
Average temperature in September - Richfield, KS
  • Average high temperature in September: 83.3°F

The warmest month (with the highest average high temperature) is July (93°F).
The month with the lowest average high temperature is December (46.8°F).

  • Average low temperature in September: 62.4°F

The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).

Average pressure in September - Richfield, KS
  • Average pressure in September: 29.93"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.8").

Average wind speed in September - Richfield, KS
  • Average wind speed in September: 12.2mph

The windiest months (with the highest average wind speed) are April and June (13.4mph).
The calmest month (with the lowest average wind speed) is January (10.6mph).

Average humidity in September - Richfield, KS
  • Average humidity in September: 49%

The month with the highest relative humidity is December (56%).
The month with the lowest relative humidity is June (42%).

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

The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is November (0.35").

Average rainfall days in September - Richfield, KS
  • Average rainfall days in September: 9.7 days

The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (2.5 days).

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

The month with the highest snowfall is January (1.77").
Months with the least snowfall are June, July, August and September (0").

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

The month with the highest number of snowfall days is February (4.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Richfield, 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: 9.4h

The month with the most sunshine is June (Average sunshine: 11.7h).
The month with the least sunshine is December (Average sunshine: 6.8h).

Average sunshine days in September - Richfield, KS
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is November (25.5 days).
The month with the least sunshine days is July (12.6 days).

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

Average cloud cover in September - Richfield, KS
  • Average cloud cover in September: 18

The month with the most cloud cover is February (Cloud cover 27).
The month with the least cloud cover is June (Cloud cover 15).

Average visibility in September - Richfield, 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).