September weather forecast
Winfield, MO

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Weather in September

September, the first month of the autumn in Winfield, is still a warm month, with an average temperature ranging between max 78.8°F (26°C) and min 59.2°F (15.1°C).

Temperature

Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a warm 84.6°F (29.2°C) to a still moderately hot 78.8°F (26°C). Throughout the nights in September, Winfield experiences an average low-temperature of 59.2°F (15.1°C).

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Winfield, in September, it is raining for 11.4 days, with typically 1.3" (33mm) of accumulated precipitation. Throughout the year, there are 130.3 rainfall days, and 17.87" (454mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:46 pm CDT.

Sunshine

In September, the average sunshine in Winfield is 9.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Winfield in September?

Winfield in September has an average high-temperature of 78.8°F (26°C) and an average low-temperature of 59.2°F (15.1°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 95°F (35°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

How much does it rain in September?

In September, the rain falls for 11.4 days. Throughout September, 1.3" (33mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Winfield have in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:46 pm CDT.

How long on average sun shines in September?

In Winfield, the average sunshine duration in September is 9.6h.

How high is the UV index in September?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Winfield, MO

Average temperature in September - Winfield, MO
  • Average high temperature in September: 78.8°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in September: 59.2°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in September
Winfield, MO

Average pressure in September - Winfield, MO
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
Winfield, MO

Average wind speed in September - Winfield, MO
  • Average wind speed in September: 6.3mph

The windiest months (with the highest average wind speed) are January and February (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in September
Winfield, MO

Average humidity in September - Winfield, MO
  • Average humidity in September: 74%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Winfield, MO

Average rainfall in September - Winfield, MO
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is May (2.17").
The driest months (with the least rainfall) are January and February (0.83").

Average rainfall days in September
Winfield, MO

Average rainfall days in September - Winfield, MO
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (6.2 days).

Average snowfall in September
Winfield, MO

Average snowfall in September - Winfield, MO
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Winfield, MO

Average snowfall days in September - Winfield, MO
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Winfield, MO

Average daylight in September / Average sunshine in September - Winfield, 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 30min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in September
Winfield, MO

Average sunshine days in September - Winfield, MO
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in September
Winfield, MO

Average UV index in September - Winfield, MO
  • Average UV index in September: 5

The months with the highest UV index are 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
Winfield, MO

Average cloud cover in September - Winfield, MO
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September
Winfield, MO

Average visibility in September - Winfield, 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).

Winfield, Missouri, USA

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