September weather forecast
Kansas City, MO

Panorama of Kansas City, Missouri in the US, with an old statue of a scout boy looking towards the city
Panorama of Kansas City, Missouri in the US, with an old statue of a scout boy looking towards the city

Weather in September

The first month of the autumn, September, is also a moderately hot month in Kansas City, Missouri, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 80.1°F (26.7°C).

Temperature

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

Humidity

In September, the average relative humidity is 70.4%.

Rainfall

In Kansas City, Missouri, during September, the rain falls for 8.1 days and regularly aggregates up to 4.17" (106mm) of precipitation. Throughout the year, in Kansas City, there are 90.8 rainfall days, and 39.06" (992mm) of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day in Kansas City is 12h and 26min.
On the first day of the month, sunrise is at 6:47 am and sunset at 7:49 pm. On the last day of September, in Kansas City, sunrise is at 7:13 am and sunset at 7:03 pm CDT.

Sunshine

The average sunshine in September is 8h.

UV index

The average daily maximum UV index in September in Kansas City is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation 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 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. 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.
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FAQ

What is the temperature in September in Kansas City?

In Kansas City, Missouri, in September, the average high-temperature is 80.1°F (26.7°C), and the average low-temperature is 60.4°F (15.8°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is estimated at 102.2°F (39°C).

What is the average humidity in September in Kansas City?

The average relative humidity in September is 70.4%.

How much does it rain in Kansas City in September?

In Kansas City, Missouri, in September, during 8.1 rainfall days, 4.17" (106mm) of precipitation is typically accumulated.

When it does not snow in Kansas City?

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

Does it snow in Kansas City in September?

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

How many hours of daylight does Kansas City have in September?

In September, the average day length in Kansas City is 12h and 26min.

When are sunrise and sunset in September in Kansas City?

On the first day of September, sunrise is at 6:47 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:03 pm CDT.

How many hours of sunshine does Kansas City have in September?

In Kansas City, the average sunshine duration in September is 8h.

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

In Kansas City, Missouri, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average UV index

Average temperature in September
Kansas City, MO

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).

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Average humidity in September
Kansas City, MO

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%).

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Average rainfall in September
Kansas City, MO

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 least rainfall) is January (1.1").

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Average rainfall days in September
Kansas City, MO

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 least rainy days is January (4.8 days).

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Average snowfall in September
Kansas City, MO

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

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

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Average snowfall days in September
Kansas City, MO

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

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

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Average daylight in September /
Average sunshine in September
Kansas City, MO

Average daylight in September / Average sunshine in September - Kansas City, MO
  • Average daylight in September: 12h and 26min

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

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Average UV index in September
Kansas City, MO

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).
The months with the lowest UV index are January and December (UV index 2).

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