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 sees a slight reduction in average high-temperature, with a shift from a hot 89.2°F (31.8°C) in August to a warm 81.7°F (27.6°C). In the month of September, Grenola records a consistent average low-temperature of 62.8°F (17.1°C).Heat index
September's mean heat index is appraised at a hot 86°F (30°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
The average relative humidity in September in Grenola is 68%.Rainfall
In Grenola, during September, the rain falls for 11.7 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Grenola, Kansas, during the entire year, the rain falls for 117.5 days and collects up to 23.15" (588mm) of precipitation.Snowfall
April through September are months without snowfall.Daylight
In Grenola, Kansas, the average length of the day in September is 12h and 25min.On the first day of September in Grenola, sunrise is at 6:56 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:10 pm CDT.
Sunshine
In Grenola, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index in Grenola is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the temperature in September in Grenola?
What is the average humidity in September in Grenola?
How many days does it rain in September in Grenola?
When it does not snow in Grenola?
Does it snow in Grenola in September?
What is the average length of the day in September in Grenola?
When is the sunrise / sunset in September in Grenola?
How many hours of sunshine does Grenola have in September?
What is the UV index reading in September in Grenola?
Average temperature in September
Grenola, 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
Grenola, 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
Grenola, 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
Grenola, 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
Grenola, 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
Grenola, 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
Grenola, 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
Grenola, 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
Grenola, KS
- Average daylight in September: 12h and 2min
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 36min).
- Average sunshine in September: 8h and 4min
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
Grenola, 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
Grenola, 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
Grenola, 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
Grenola, 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).
Grenola, Kansas, USA
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