Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September brings a slight decrease in temperature, down from a tropical 90°F (32.2°C) in August to a warm 81.9°F (27.7°C). In September, Collyer's temperature tends to fall to an average low of 60.8°F (16°C) during the night.Heat index
In September, the average heat index is appraised at 84.2°F (29°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. 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 'felt air temperature' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
In September, the average relative humidity in Collyer, Kansas, is 56%.Rainfall
In Collyer, during September, the rain falls for 10.3 days and regularly aggregates up to 1.18" (30mm) of precipitation. Throughout the year, in Collyer, Kansas, there are 105.3 rainfall days, and 16.93" (430mm) 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 7:09 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:24 pm CDT.
Sunshine
The average sunshine in September in Collyer is 9h.UV index
In Collyer, Kansas, 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 radiation for ordinary individuals.Note: An average UV index of 5 in September transforms into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Around midday, solar radiation is most harmful; hence, exposure should be limited. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What is the temperature in September in Collyer?
What is the average humidity in September in Collyer?
How many days does it rain in September in Collyer?
When it does not snow in Collyer?
Does it snow in Collyer in September?
What is the average length of the day in September in Collyer?
When is the sunrise / sunset in September in Collyer?
How many hours of sunshine does Collyer have in September?
What is the UV index intensity in September in Collyer?
Average temperature in September
Collyer, 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: 60.8°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in September
Collyer, KS
- Average pressure in September: 29.96"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
Collyer, 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 (9.9mph).
Average humidity in September
Collyer, KS
- Average humidity in September: 56%
The months with the highest relative humidity are January and December (65%).
The month with the lowest relative humidity is July (52%).
Average rainfall in September
Collyer, KS
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is May (2.76").
The driest months (with the least rainfall) are January and November (0.51").
Average rainfall days in September
Collyer, KS
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is August (14.2 days).
The month with the least rainy days is December (2.9 days).
Average snowfall in September
Collyer, KS
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Collyer, KS
- 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 June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Collyer, KS
- 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 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 18min).
Average sunshine days in September
Collyer, KS
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (23.8 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in September
Collyer, 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
Collyer, 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
Collyer, 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).
Collyer, Kansas, USA
Weather forecast for your location
2. Allow the app to use your location
