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
A mild shift in the average high-temperature occurs in September, reducing from a hot 87.4°F (30.8°C) in August to a moderately hot 81.5°F (27.5°C). Nighttime temperatures consistently average an enjoyable 62.2°F (16.8°C) during September.Heat index
For most parts of September, the heat index is evaluated at a tropical 86°F (30°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are of high significance 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 September, the average relative humidity in Green Hills is 74%.Rainfall
In Green Hills, in September, during 13.6 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, in Green Hills, Tennessee, there are 166.2 rainfall days, and 33.86" (860mm) of precipitation is accumulated.Snowfall
In Green Hills, snow does not fall in May through October.Daylight
In September, the average length of the day in Green Hills is 12h and 24min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:14 pm. On the last day of September, sunrise is at 6:42 am and sunset at 6:31 pm CDT.
Sunshine
In September, the average sunshine in Green Hills, Tennessee, is 8.5h.UV index
The average daily maximum UV index in September in Green Hills is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 5 in September leads to these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are September temperatures in Green Hills?
What is the average humidity in September in Green Hills?
How much does it rain in Green Hills in September?
When it does not snow in Green Hills?
What is the average length of the day in September in Green Hills?
What time are sunrise and sunset in September in Green Hills?
How many hours of sunshine does Green Hills have in September?
How high is the UV index in September in Green Hills?
Average temperature in September
Green Hills, TN
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (45°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 (30.6°F).
Average pressure in September
Green Hills, 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 (29.97"Hg).
Average wind speed in September
Green Hills, TN
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Green Hills, TN
- Average humidity in September: 74%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are June and October (73%).
Average rainfall in September
Green Hills, TN
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in September
Green Hills, TN
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in September
Green Hills, TN
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Green Hills, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 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
Green Hills, TN
- 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 48min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Green Hills, TN
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Green Hills, 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, February and December (UV index 2).
Average cloud cover in September
Green Hills, TN
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Green Hills, TN
- 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).
Green Hills, Tennessee, USA
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