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
September's onset introduces a mild reduction in the average high-temperature, from a hot 87.4°F (30.8°C) in August to a moderately hot 81.9°F (27.7°C). In Shenandoah, an average nighttime temperature of 61°F (16.1°C) is expected during September.Heat index
September's heat index is evaluated at a hot 87.8°F (31°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
June through November, with an average relative humidity of 75%, are the least humid months in Shenandoah.Rainfall
The month with the least rainfall is September, when the rain falls for 11.1 days and typically collects 1.3" (33mm) of precipitation.Snowfall
April through October are months without snowfall in Shenandoah.Daylight
The average length of the day in September in Shenandoah is 12h and 23min.On the first day of September, sunrise is at 7:12 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:24 pm EDT.
Sunshine
In September, the average sunshine in Shenandoah is 8.6h.UV index
In Shenandoah, Tennessee, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the temperature in September in Shenandoah?
What is the least humid month in Shenandoah?
What is the average humidity in September in Shenandoah?
What is the driest month in Shenandoah?
How much does it rain in Shenandoah in September?
When it does not snow in Shenandoah?
What is the average length of the day in September in Shenandoah?
When are sunrise and sunset in September in Shenandoah?
How many hours of sunshine does Shenandoah have in September?
What is the UV index intensity in September in Shenandoah?
Average temperature in September
Shenandoah, TN
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in September: 61°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in September
Shenandoah, TN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Shenandoah, TN
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Shenandoah, TN
- Average humidity in September: 75%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).
Average rainfall in September
Shenandoah, TN
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in September
Shenandoah, TN
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in September
Shenandoah, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Shenandoah, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 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
Shenandoah, 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 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
Shenandoah, TN
- Average sunshine days in September: 16.4 days
The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in September
Shenandoah, 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
Shenandoah, TN
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Shenandoah, TN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, May and December (5mi).
Shenandoah, Tennessee, USA
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