September weather forecastWinfield, KS
September
Weather in September
Signaling the onset of fall, September infuses a breath of fresh air into Winfield's weather with a noticeable decrease in temperature and rainfall. More tapering occurs in the average daylight hours, creating a contrast with the long summer days of June, July, and August. The gradual changes in the weather serve as gentle reminders of the coming seasonal transformation. With less rainfall, the month presents an opportunity to indulge in outdoor activities without the high heat of the preceding summer months. Overall, September characteristics render the city with a delicate and captivating autumnal charm.Temperature
The advent of September brings a subtle shift in temperature, with the average high moving from a tropical 89.2°F (31.8°C) in August to a moderately hot 81.7°F (27.6°C). Throughout the month of September, Winfield expects an average low of 62.8°F (17.1°C).Heat index
For September, the heat index is evaluated at a hot 86°F (30°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Remember that heat index calculations are made for conditions in the shade with light wind. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
In Winfield, Kansas, the average relative humidity in September is 68%.Rainfall
In Winfield, in September, during 11.7 rainfall days, 2.24" (57mm) of precipitation is typically 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 12h and 25min.On the first day of the month, sunrise is at 6:59 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:12 pm CDT.
Sunshine
In Winfield, the average sunshine in September is 8.7h.UV index
In Winfield, 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 unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
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").
The 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).
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, KS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Winfield, KS
- Average sunshine days in September: 16 days
The 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
The months with the highest UV index are June and July (UV index 7).
The 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
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).
