September weather forecastCollyer, KS
September
Weather in September
September, the first month of the autumn in Collyer, is still a warm month, with an average temperature ranging between min 60.8°F (16°C) and max 81.9°F (27.7°C).Temperature
September sees a slight reduction in average high-temperature, with a shift from a tropical 90°F (32.2°C) in August to a moderately hot 81.9°F (27.7°C). Collyer witnesses an average low-temperature of 60.8°F (16°C) throughout the month of September.Heat index
September's mean heat index is appraised at 84.2°F (29°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.The metrics for the heat index are tailored for both shady environments and light winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
In Collyer, the average relative humidity in September 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, there are 105.3 rainfall days, and 16.93" (430mm) of precipitation is accumulated.Snowfall
In Collyer, 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 7:09 am and sunset at 8:10 pm. On the last day of September, sunrise is at 7:36 am and sunset at 7:24 pm CDT.
Sunshine
The average sunshine in September is 9h.UV index
In Collyer, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 during September translates into the following guidance:
Take necessary precautions - Suggestions to elude sunburn are provided. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 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 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).
