September weather forecast and climate
Kansas City, KS

Weather in September

September, the first month of the autumn, in Kansas City, is still a warm month, with average temperature varying between 59.7°F (15.4°C) and 78.4°F (25.8°C).

Temperature

In September, the average high-temperature marginally drops, from 84.9°F (29.4°C) in August, to a still warm 78.4°F (25.8°C). The average low-temperature, in September, is 59.7°F (15.4°C).

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Kansas City, during September, the rain falls for 11.7 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Kansas City, during the entire year, the rain falls for 129.2 days and collects up to 20.75" (527mm) of precipitation.

Snowfall

In Kansas City snow does not fall in June through September.

Daylight

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

Sunshine

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

UV index

In Kansas City, the average daily maximum UV index 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 ordinary individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 September, in Kansas City, 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 Kansas City?

The average relative humidity in September in Kansas City, Kansas, is 74%.

How much does it rain in Kansas City in September?

In Kansas City, in September, during 11.7 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

Does it snow in Kansas City in September?

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

When it does not snow in Kansas City?

June through September are months without snowfall.

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

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

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

In September, the average sunshine is 9.3h.

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

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in September
Kansas City, KS

Average temperature in September - Kansas City, KS
  • Average high temperature in September: 78.4°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in September: 59.7°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in September
Kansas City, KS

Average pressure in September - Kansas City, 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").

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Average wind speed in September
Kansas City, KS

Average wind speed in September - Kansas City, KS
  • Average wind speed in September: 7.1mph

The windiest months (with the highest average wind speed) are February, March and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in September
Kansas City, KS

Average humidity in September - Kansas City, 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%).

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Average rainfall in September
Kansas City, KS

Average rainfall in September - Kansas City, KS
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in September
Kansas City, KS

Average rainfall days in September - Kansas City, KS
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.8 days).

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Average snowfall in September
Kansas City, KS

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

The month with the highest snowfall is February (1.81").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Kansas City, KS

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

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

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

Average daylight in September / Average sunshine in September - Kansas City, 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).

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Average sunshine days in September
Kansas City, KS

Average sunshine days in September - Kansas City, KS
  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index in September
Kansas City, KS

Average UV index in September - Kansas City, 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).

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Average cloud cover in September
Kansas City, KS

Average cloud cover in September - Kansas City, KS
  • Average cloud cover in September: 28

The month with the most cloud cover is March (Cloud cover 46).
Months with the least cloud cover are July and August (Cloud cover 26).

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Average visibility in September
Kansas City, KS

Average visibility in September - Kansas City, 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).

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