September weather forecast and climate
Winfield, KS

The first month of the autumn, September, is also a moderately hot month in Winfield, Kansas, with average temperature ranging between min 62.8°F (17.1°C) and max 81.7°F (27.6°C).

Temperature

In Winfield, the average high-temperature in September slightly decreases, from a hot 89.2°F (31.8°C) in August, to a warm 81.7°F (27.6°C). In Winfield, the average low-temperature is 62.8°F (17.1°C).

Heat index

The average heat index is estimated at 85.5°F (29.7°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, clothing, wind). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity is 68%.

Rainfall

In September, in Winfield, the rain falls for 11.7 days. Throughout September, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 117.5 rainfall days, and 23.15" (588mm) of precipitation is accumulated.

Snowfall

In Winfield snow does not fall in April through September.

Daylight

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

Sunshine

In September, the average sunshine in Winfield is 8.7h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sun damage is advised. 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.

What is the temperature in September in Winfield?

In Winfield, Kansas, in September, the average high-temperature is 81.7°F (27.6°C), and the average low-temperature is 62.8°F (17.1°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), that factores the actual air temperature with the relative humidity, is estimated at 85.5°F (29.7°C).

What is the average humidity in September in Winfield?

The average relative humidity in September is 68%.

How much does it rain in Winfield in September?

In Winfield, in September, it is raining for 11.7 days, with typically 2.24" (57mm) of accumulated precipitation.

Does it snow in Winfield in September?

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

When it does not snow in Winfield?

In Winfield, Kansas, snow does not fall in April through September.

What is the average length of the day in September in Winfield?

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

How long on average sun shines in September in Winfield?

The average sunshine in September in Winfield, Kansas, is 8.7h.

What is the UV index intensity in September in Winfield?

In Winfield, Kansas, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.
Average temperature in September - Winfield, KS
  • Average high temperature in September: 81.7°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (43.7°F).

  • Average low temperature in September: 62.8°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in September - Winfield, KS
  • Average pressure in September: 29.98"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.86").

Average wind speed in September - Winfield, KS
  • Average wind speed in September: 9.3mph

The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

Average humidity in September - Winfield, KS
  • Average humidity in September: 68%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is October (65%).

Average rainfall in September - Winfield, KS
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is December (0.59").

Average rainfall days in September - Winfield, KS
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (3.8 days).

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

The month with the highest snowfall is February (1.57").
Months with the least snowfall are April, May, June, July, August and September (0").

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

The month with the highest number of snowfall days is February (3.3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Winfield, KS
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in September: 8.7h

The month with the most sunshine is August (Average sunshine: 11h).
The month with the least sunshine is January (Average sunshine: 6h).

Average sunshine days in September - Winfield, KS
  • Average sunshine days in September: 16 days

Months with the most sunshine days are January and December (24.2 days).
The month with the least sunshine days is July (14.3 days).

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

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September - Winfield, KS
  • Average cloud cover in September: 26

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in September - Winfield, 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).