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, the average high-temperature marginally drops from a tropical 87.4°F (30.8°C) in August to a moderately hot 81.7°F (27.6°C). Rocksprings, during September nights, observes an average temperature of 62.8°F (17.1°C).Heat index
In September, the heat index is calculated to be a tropical 86°F (30°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.Factoring in the heat index, values are geared towards shaded areas with light 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 calculation that merges air temperature and relative humidity to depict the sensation of warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
The average relative humidity in September is 74%.Rainfall
September and November are months with the least rain when the rain falls for 14 days and typically aggregates up to 2.32" (59mm) of rain.Snowfall
May through October are months without snowfall.Daylight
In Rocksprings, the average length of the day in September is 12h and 23min.On the first day of September in Rocksprings, sunrise is at 6:18 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:31 pm CDT.
Sunshine
In Rocksprings, the average sunshine in September is 8.6h.UV index
In Rocksprings, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 in September translates into these instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Rocksprings?
What is the average humidity in September in Rocksprings?
What is the driest month in Rocksprings?
How much does it rain in Rocksprings in September?
When it does not snow in Rocksprings?
What is the average length of the day in September in Rocksprings?
When are sunrise and sunset in September in Rocksprings?
How long on average sun shines in September in Rocksprings?
How high is the UV index in September in Rocksprings?
Average temperature in September
Rocksprings, TN
- Average high temperature in September: 81.7°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 (45.1°F).
- Average low temperature in September: 62.8°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in September
Rocksprings, 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
Rocksprings, TN
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Rocksprings, TN
- Average humidity in September: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Rocksprings, TN
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is July (4.41").
The driest months (with the least rainfall) are September and November (2.32").
Average rainfall days in September
Rocksprings, TN
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in September
Rocksprings, TN
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Rocksprings, 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, September and October (0 days).
Average daylight in September /
Average sunshine in September
Rocksprings, 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 4min
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 30min).
Average sunshine days in September
Rocksprings, TN
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in September
Rocksprings, 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
Rocksprings, 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
Rocksprings, 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).
Rocksprings, Tennessee, USA
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