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
Wiswell's progression into September involves a gentle drop in the average high-temperature, from a hot 87.3°F (30.7°C) in August to a warm 81.5°F (27.5°C). Wiswell, in September, witnesses an average low-temperature of 62.2°F (16.8°C).Heat index
The heat index value during September is calculated to be a tropical 86°F (30°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. 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. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In September, the average relative humidity is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.4 days and typically collects 2.05" (52mm) of precipitation.Snowfall
In Wiswell, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September, sunrise is at 6:25 am and sunset at 7:21 pm. On the last day of the month, 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 medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 during September leads to these advisories:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Wiswell have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Wiswell have in September?
How high is the UV index in September?
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
Weather forecast for your location
2. Allow the app to use your location