September weather forecastEllis, KS
September
Weather in September
September brings about the exciting transition from summer to autumn in Ellis, Kansas. A decrease in the high temperatures to 81.9°F (27.7°C) characterizes the commencement of this transition. Autumn lovers would start taking their first long, serene walks amid the gradually falling leaves. It's the month where the last vestiges of summer sun mix with a refreshing autumn breeze, creating a uniquely pleasant atmosphere.Temperature
Ellis in September experiences a gentle temperature dip, with average high-temperatures reducing from a hot 89.8°F (32.1°C) in August to a moderately hot 81.9°F (27.7°C). In Ellis, an average low-temperature of 61.2°F (16.2°C) is recorded during September nights.Heat index
September's mean heat index is evaluated at 84.2°F (29°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. 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 'real feel' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In Ellis, the average relative humidity in September is 58%.Rainfall
In Ellis, in September, during 8.8 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Ellis, during the entire year, the rain falls for 96.7 days and collects up to 15.98" (406mm) of precipitation.Snowfall
In Ellis, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:07 am and sunset at 8:08 pm. On the last day of September, in Ellis, sunrise is at 7:33 am and sunset at 7:21 pm CDT.
Sunshine
The average sunshine in September is 9h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during September leads to these advisories:
Ensure safety - Sun damage prevention is strongly urged. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ellis, KS
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (41.9°F).
- Average low temperature in September: 61.2°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 (25.3°F).
Average pressure in September
Ellis, KS
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Ellis, KS
- Average wind speed in September: 11.1mph
The windiest month (with the highest average wind speed) is April (12.7mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in September
Ellis, KS
- Average humidity in September: 58%
The month with the highest relative humidity is January (66%).
The month with the lowest relative humidity is July (54%).
Average rainfall in September
Ellis, KS
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is November (0.47").
Average rainfall days in September
Ellis, KS
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is December (3 days).
Average snowfall in September
Ellis, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Ellis, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ellis, KS
- Average daylight in September: 12h and 24min
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 0min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).
Average sunshine days in September
Ellis, KS
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is December (24.4 days).
The month with the least sunshine days is May (15.3 days).
Average UV index in September
Ellis, 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, November and December (UV index 2).
Average cloud cover in September
Ellis, KS
- Average cloud cover in September: 22
The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is June (Cloud cover 19).
Average visibility in September
Ellis, 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).
