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
The transition into September subtly indicates a reduction in the average high-temperature, down to a moderately hot 81.5°F (27.5°C) from August's hot 87.3°F (30.7°C). Nighttime temperatures hover around an average low of 62.2°F (16.8°C) in September.Heat index
September's average heat index is calculated to be a tropical 86°F (30°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
The average relative humidity in September is 73%.Rainfall
The month with the least rainfall in Wiswell is September, when the rain falls for 13.4 days and typically collects 2.05" (52mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Wiswell is 12h and 24min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:21 pm. On the last day of September, in Wiswell, sunrise is at 6:48 am and sunset at 6:38 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.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 ordinary individuals.Note: In September, the UV index of 5 transforms into the following advice:
Take necessary precautions - Defending against sun damage is advocated. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the usual temperature for Wiswell in September?
What is the average humidity in September in Wiswell?
What is the driest month in Wiswell?
How many days does it rain in September in Wiswell?
When it does not snow in Wiswell?
How many hours of daylight does Wiswell have in September?
What time are sunrise and sunset in September in Wiswell?
How long on average sun shines in September in Wiswell?
What is the UV index reading in September in Wiswell?
Average temperature in September
Wiswell, KY
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (42.6°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in September
Wiswell, KY
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Wiswell, KY
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are January, February and April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity in September
Wiswell, KY
- Average humidity in September: 73%
The months with the highest relative humidity are February, March, May and December (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Wiswell, KY
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is February (4.41").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Wiswell, KY
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in September
Wiswell, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Wiswell, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 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
Wiswell, KY
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Wiswell, KY
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in September
Wiswell, KY
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Wiswell, KY
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in September
Wiswell, KY
- 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).
Wiswell, Kentucky, USA
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