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
In September, Radmoor experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 87.4°F (30.8°C) in August to a moderately hot 82.2°F (27.9°C). The mean low-temperature during September nights is a comfortable 61.2°F (16.2°C).Heat index
September's average heat index is calculated to be a hot 87.8°F (31°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. 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 are essentially critical for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
In Radmoor, the average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 2.48" (63mm) of precipitation.Snowfall
In Radmoor, Tennessee, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 7:13 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:25 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 during September translates into the following guidance:
Take precautions - Protection against sunburn is recommended. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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 in Radmoor?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Radmoor have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Radmoor have in September?
What is the UV index intensity in September in Radmoor?
Average temperature in September
Radmoor, TN
- Average high temperature in September: 82.2°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in September: 61.2°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Radmoor, TN
- 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 (29.98"Hg).
Average wind speed in September
Radmoor, TN
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in September
Radmoor, TN
- Average humidity in September: 75%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Radmoor, TN
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (2.48").
Average rainfall days in September
Radmoor, TN
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Radmoor, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Radmoor, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.9 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
Radmoor, TN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Radmoor, TN
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9 days).
Average UV index in September
Radmoor, TN
- 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 and December (UV index 2).
Average cloud cover in September
Radmoor, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Radmoor, TN
- Average visibility in September: 6mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
Radmoor, Tennessee, USA
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