September weather forecast and climate
Roeland Park, KS

September, the first month of the autumn, in Roeland Park, is still a warm month, with average temperature ranging between min 59.7°F (15.4°C) and max 78.4°F (25.8°C).

Temperature

In Roeland Park, the average high-temperature slightly decreases, from a moderately hot 84.9°F (29.4°C) in August, to a still warm 78.4°F (25.8°C). In September, in Roeland Park, the average low-temperature is 59.7°F (15.4°C).

Humidity

In September, the average relative humidity in Roeland Park, Kansas, is 74%.

Rainfall

In Roeland Park, it is raining for 5.5 days, with typically 0.31" (8mm) of accumulated precipitation. In Roeland Park, during the entire year, the rain falls for 62.3 days and collects up to 4.76" (121mm) of precipitation.

Snowfall

In Roeland Park, Kansas, snow does not fall in April, June through September.

Daylight

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

Sunshine

The average sunshine in September is 9.3h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Roeland Park?

In Roeland Park, Kansas, in September, the average high-temperature is 78.4°F (25.8°C), and the average low-temperature is 59.7°F (15.4°C).

What is the average humidity in September in Roeland Park?

The average relative humidity in September is 74%.

How many days does it rain in September in Roeland Park?

In September, in Roeland Park, Kansas, the rain falls for 5.5 days. Throughout September, 0.31" (8mm) of precipitation is accumulated.

Does it snow in Roeland Park in September?

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

When it does not snow in Roeland Park?

In Roeland Park snow does not fall in April, June through September.

What is the average length of the day in September in Roeland Park?

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

How many hours of sunshine does Roeland Park have in September?

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

How high is the UV index in September in Roeland Park?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in September - Roeland Park, KS
  • Average high temperature in September: 78.4°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in September: 59.7°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in September - Roeland Park, KS
  • Average pressure in September: 30.01"

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 - Roeland Park, KS
  • Average wind speed in September: 7.2mph

The windiest months (with the highest average wind speed) are March and April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in September - Roeland Park, KS
  • Average humidity in September: 74%

Months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is October (69%).

Average rainfall in September - Roeland Park, KS
  • Average rainfall in September: 0.31"

The wettest month (with the highest rainfall) is May (0.71").
The driest month (with the least rainfall) is November (0.16").

Average rainfall days in September - Roeland Park, KS
  • Average rainfall days in September: 5.5 days

Months with the highest number of rainy days are May and July (8.3 days).
The month with the least rainy days is January (2.2 days).

Average snowfall in September - Roeland Park, KS
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.39").
Months with the least snowfall are April, June, July, August and September (0").

Average snowfall days in September - Roeland Park, KS
  • Average snowfall days in September: 0 days

Months with the highest number of snowfall days are January and February (2.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 9.3h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is January (Average sunshine: 5.1h).

Average sunshine days in September - Roeland Park, KS
  • Average sunshine days in September: 22.9 days

The month with the most sunshine days is January (27.3 days).
The month with the least sunshine days is May (19.7 days).

Average UV index in September - Roeland Park, KS
  • Average UV index in September: 5

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September - Roeland Park, KS
  • Average cloud cover in September: 29

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in September - Roeland Park, 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).