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 onset of September is marked by a minor decrease in temperature, transitioning from a hot 87.3°F (30.7°C) in August to a warm 81.5°F (27.5°C). September witnesses an average low-temperature hovering around a comfortable 62.2°F (16.8°C).Heat index
In September, the average heat index is evaluated at a hot 86°F (30°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Heat index data is primarily for areas with shade and subjected to light winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', blends air temperature and moisture content to represent the felt temperature to humans. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
The average relative humidity in September 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 Harris Grove, Kentucky, snow does not fall in May through October.Daylight
The average length of the day in September in Harris Grove 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
The average sunshine in September is 9.3h.UV index
In Harris Grove, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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 much does it rain in September?
When it does not snow?
How many hours of daylight does Harris Grove have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Harris Grove have in September?
How high is the UV index in September?
Average temperature in September
Harris Grove, 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
Harris Grove, 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
Harris Grove, 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
Harris Grove, 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
Harris Grove, 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
Harris Grove, 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
Harris Grove, 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
Harris Grove, 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
Harris Grove, 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
Harris Grove, 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
Harris Grove, 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
Harris Grove, 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
Harris Grove, 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).
Harris Grove, Kentucky, USA
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