September weather forecastHollow Rock, TN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Hollow Rock, Tennessee, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 82.6°F (28.1°C).Temperature
Hollow Rock's September reports an average high-temperature of a warm 82.6°F (28.1°C), exhibiting a minor difference from August. Hollow Rock experiences an average nighttime temperature of 62.8°F (17.1°C) in the month of September.Heat index
The heat index for September is appraised at a hot 87.8°F (31°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
In Hollow Rock, the average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 0.71" (18mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Hollow Rock is 12h and 23min.On the first day of September, sunrise is at 6:25 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:37 pm CDT.
Sunshine
In Hollow Rock, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index in Hollow Rock, Tennessee, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, a regular UV index of 5 translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. It's recommended to limit sun exposure when its radiation is at its peak during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hollow Rock, TN
- Average high temperature in September: 82.6°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in September: 62.8°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 (30.7°F).
Average pressure in September
Hollow Rock, 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 (29.96"Hg).
Average wind speed in September
Hollow Rock, TN
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in September
Hollow Rock, TN
- Average humidity in September: 74%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Hollow Rock, TN
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in September
Hollow Rock, TN
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is November (7 days).
Average snowfall in September
Hollow Rock, TN
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.43").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Hollow Rock, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.8 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
Hollow Rock, TN
- Average daylight in September: 12h and 24min
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: 9h and 6min
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
Hollow Rock, TN
- Average sunshine days in September: 16.8 days
The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in September
Hollow Rock, 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
Hollow Rock, TN
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Hollow Rock, TN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
