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 88.3°F (31.3°C) in August to a warm 82.6°F (28.1°C). Clifton records a steady low-temperature average of 63°F (17.2°C) during September.Heat index
The average heat index in September is computed to be a tropical 89.6°F (32°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
In September, the average relative humidity in Clifton is 75%.Rainfall
September and November are months with the least rain in Clifton, Tennessee, when the rain falls for 14.3 days and typically aggregates up to 2.52" (64mm) of rain.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day in Clifton is 12h and 23min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:18 pm. On the last day of September, sunrise is at 6:46 am and sunset at 6:36 pm CDT.
Sunshine
In Clifton, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
Is it hot in Clifton during September?
What is the average humidity in September in Clifton?
What is the driest month in Clifton?
How many days does it rain in September in Clifton?
When it does not snow in Clifton?
Does it snow in Clifton in September?
What is the average length of the day in September in Clifton?
What time are sunrise and sunset in September in Clifton?
How many hours of sunshine does Clifton have in September?
What is the UV index intensity in September in Clifton?
Average temperature in September
Clifton, TN
- Average high temperature in September: 82.6°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 (45.7°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in September
Clifton, TN
- Average pressure in September: 30.02"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
Clifton, TN
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in September
Clifton, TN
- Average humidity in September: 75%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Clifton, TN
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is February (4.84").
The driest months (with the least rainfall) are September and November (2.52").
Average rainfall days in September
Clifton, TN
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in September
Clifton, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Clifton, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.4 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
Clifton, 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 5min
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 36min).
Average sunshine days in September
Clifton, TN
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in September
Clifton, TN
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Clifton, TN
- Average cloud cover in September: 31
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
Clifton, TN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, May and July (5mi).
Clifton, Tennessee, USA
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