Kansas City
Missouri, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Kansas City, MO

A broad panoramic view of Kansas City, Missouri in the US, with an old statue of a scout boy looking towards the city
A broad panoramic view of Kansas City, Missouri in the US, with an old statue of a scout boy looking towards the city
September, the first month of the autumn, in Kansas City, is still a warm month, with average temperature ranging between min 60.4°F (15.8°C) and max 80.1°F (26.7°C).

Temperature

In September, the average high-temperature slightly decreases, from a hot 88.5°F (31.4°C) in August, to a warm 80.1°F (26.7°C). In Kansas City, Missouri, in September, the average low-temperature is 60.4°F (15.8°C).

Humidity

In September, the average relative humidity is 70.4%.

Rainfall

In Kansas City, during 8.1 rainfall days, 4.16" (105.7mm) of precipitation is typically accumulated. In Kansas City, during the entire year, the rain falls for 90.8 days and collects up to 39.06" (992.2mm) of precipitation.

Snowfall

May through September are months without snowfall in Kansas City.

Daylight

The average length of the day in Kansas City is 12.4h.

Sunshine

The average sunshine is 8h.

UV index

In September, the average daily maximum UV index in Kansas City is 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 7 in September interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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 Kansas City?

In September, in Kansas City, Missouri, the average high-temperature is 80.1°F (26.7°C), and the average low-temperature is 60.4°F (15.8°C).

What is the average humidity in September in Kansas City?

In September, the average relative humidity in Kansas City, Missouri, is 70.4%.

How many days does it rain in September in Kansas City?

In September, the rain falls for 8.1 days. Throughout September, 4.16" (105.7mm) of precipitation is accumulated.

Does it snow in Kansas City in September?

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

When it does not snow in Kansas City?

In Kansas City, Missouri, snow does not fall in May through September.

What is the average length of the day in September in Kansas City?

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

How long on average sun shines in September in Kansas City?

In September, the average sunshine is 8h.

What is the UV index intensity in September in Kansas City?

In Kansas City, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV rays.
Average temperature in September - Kansas City, MO
  • Average high temperature in September: 80°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (39.5°F).

  • Average low temperature in September: 60.5°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (22.4°F).

Average humidity in September - Kansas City, MO
  • Average humidity in September: 70.4%

The month with the highest relative humidity is December (71%).
The month with the lowest relative humidity is April (62.9%).

Average rainfall in September - Kansas City, MO
  • Average rainfall in September: 4.2"

The wettest month (with the highest rainfall) is June (5.5").
The driest month (with the lowest rainfall) is January (1.1").

Average rainfall days in September - Kansas City, MO
  • Average rainfall days in September: 8.1 days

The month with the highest number of rainy days is May (11 days).
The month with the lowest number of rainy days is January (4.8 days).

Average snowfall in September - Kansas City, MO
  • Average snowfall in September: 0"

The month with the highest snowfall is December (4.4").
Months with the lowest snowfall are May, June, July, August and September (0").

Average snowfall days in September - Kansas City, MO
  • Average snowfall days in September: 0 days

Months with the highest number of snowfall days are January and December (2.5 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Kansas City, MO
  • Average daylight in September: 12.4h

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

  • Average sunshine in September: 8h

The month with most sunshine is July (Average sunshine: 10.6h).
The month with least sunshine is December (Average sunshine: 4.7h).

Average UV index in September - Kansas City, MO
  • Average UV index in September: 7

The month with the highest UV index is July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).