September weather forecast
Marrowbone, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Marrowbone, Tennessee, with an average temperature fluctuating between 61.7°F (16.5°C) and 81.1°F (27.3°C).

Temperature

With the arrival of September, Marrowbone notices a mild change in the average high-temperature, sliding from August's hot 86.5°F (30.3°C) to a moderately hot 81.1°F (27.3°C). Marrowbone, in the month of September, anticipates a consistent average low-temperature of 61.7°F (16.5°C).

Heat index

During September, the heat index is appraised at a tropical 86°F (30°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

In September, the average relative humidity is 75%.

Rainfall

The months with the least rainfall are September and November Rain falls for 14.1 days and accumulates 2.44" (62mm) of rain.

Snowfall

In Marrowbone, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:19 am and sunset at 7:15 pm. On the last day of September, sunrise is at 6:42 am and sunset at 6:32 pm CDT.

Sunshine

In Marrowbone, the average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

What are the temperatures in September?

The average high-temperature, in September, in Marrowbone, is 81.1°F (27.3°C), while the average low-temperature is 61.7°F (16.5°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is appraised at 86°F (30°C).

What is the average humidity in September?

In Marrowbone, the average relative humidity in September is 75%.

What is the driest month?

The months with the least rainfall are September and November Rain falls for 14.1 days and accumulates 2.44" (62mm) of rain.

How much does it rain in September?

In September, the rain falls for 14.1 days. Throughout September, 2.44" (62mm) of precipitation is accumulated.

When it does not snow?

In Marrowbone, snow does not fall in May through October.

How many hours of daylight does Marrowbone have in September?

The average day length in September is 12h and 24min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:19 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:32 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.7h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Marrowbone, TN

Average temperature in September - Marrowbone, TN
  • Average high temperature in September: 81.1°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 (43.9°F).

  • Average low temperature in September: 61.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in September
Marrowbone, TN

Average pressure in September - Marrowbone, 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 (29.96"Hg).

Average wind speed in September
Marrowbone, TN

Average wind speed in September - Marrowbone, TN
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in September
Marrowbone, TN

Average humidity in September - Marrowbone, TN
  • Average humidity in September: 75%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (73%).

Average rainfall in September
Marrowbone, TN

Average rainfall in September - Marrowbone, TN
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is July (4.33").
The driest months (with the least rainfall) are September and November (2.44").

Average rainfall days in September
Marrowbone, TN

Average rainfall days in September - Marrowbone, TN
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (9.9 days).

Average snowfall in September
Marrowbone, TN

Average snowfall in September - Marrowbone, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Marrowbone, TN

Average snowfall days in September - Marrowbone, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.6 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
Marrowbone, TN

Average daylight in September / Average sunshine in September - Marrowbone, 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 42min).

  • 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 36min).

Average sunshine days in September
Marrowbone, TN

Average sunshine days in September - Marrowbone, TN
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in September
Marrowbone, TN

Average UV index in September - Marrowbone, 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
Marrowbone, TN

Average cloud cover in September - Marrowbone, TN
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in September
Marrowbone, TN

Average visibility in September - Marrowbone, 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).

Marrowbone, Tennessee, USA

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