September weather forecast
Platte City, MO

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Weather in September

The first month of the autumn, September, is still a warm month in Platte City, Missouri, with an average temperature ranging between max 77.9°F (25.5°C) and min 59.2°F (15.1°C).

Temperature

With the onset of September, Platte City's climate undergoes a slight change as the average high-temperature moves from 84.6°F (29.2°C) in August to a still moderately hot 77.9°F (25.5°C). In Platte City, an average nighttime temperature of 59.2°F (15.1°C) is expected during September.

Humidity

In Platte City, Missouri, the average relative humidity in September is 75%.

Rainfall

In Platte City, during September, the rain falls for 12.5 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, in Platte City, there are 134.1 rainfall days, and 26.5" (673mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September, sunrise is at 6:48 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:02 pm CDT.

Sunshine

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

UV index

In Platte City, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 5 suggests this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Platte City in September?

An average high-temperature, in September, in Platte City, is 77.9°F (25.5°C) and the average low-temperature is 59.2°F (15.1°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 95°F (35°C).

What is the average humidity in September in Platte City?

In September, the average relative humidity in Platte City, Missouri, is 75%.

How much does it rain in Platte City in September?

In Platte City, Missouri, in September, it is raining for 12.5 days, with typically 2.44" (62mm) of accumulated precipitation.

When it does not snow in Platte City?

June through September are months without snowfall.

Does it snow in Platte City in September?

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

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

The average day length in September in Platte City is 12h and 26min.

What time are sunrise and sunset in September in Platte City?

On the first day of September in Platte City, sunrise is at 6:48 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:02 pm CDT.

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

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

What is the UV index reading in September in Platte 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 exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Platte City, MO

Average temperature in September - Platte City, MO
  • Average high temperature in September: 77.9°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in September: 59.2°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in September
Platte City, MO

Average pressure in September - Platte City, MO
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in September
Platte City, MO

Average wind speed in September - Platte City, MO
  • Average wind speed in September: 7.1mph

The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in September
Platte City, MO

Average humidity in September - Platte City, MO
  • Average humidity in September: 75%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are October and November (70%).

Average rainfall in September
Platte City, MO

Average rainfall in September - Platte City, MO
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in September
Platte City, MO

Average rainfall days in September - Platte City, MO
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in September
Platte City, MO

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

The month with the highest snowfall is February (3.11").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Platte City, MO

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

The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Platte City, MO
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in September
Platte City, MO

Average sunshine days in September - Platte City, MO
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in September
Platte City, MO

Average UV index in September - Platte City, MO
  • Average UV index in September: 5

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

Average cloud cover in September
Platte City, MO

Average cloud cover in September - Platte City, MO
  • Average cloud cover in September: 28

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in September
Platte City, MO

Average visibility in September - Platte City, MO
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Platte City, Missouri, USA

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