September weather forecast
Blockhouse, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Blockhouse, Tennessee, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 59.9°F (15.5°C).

Temperature

September heralds a minor drop in average high-temperature, sliding from August's tropical 86.7°F (30.4°C) to a moderately hot 81.1°F (27.3°C). During September, Blockhouse's temperature averages to a mild 59.9°F (15.5°C) at night.

Heat index

In September, the heat index is appraised at a tropical 86°F (30°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
It is important to note that the heat index values are for shaded areas and light wind scenarios. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

In Blockhouse, the average relative humidity in September is 74%.

Rainfall

In Blockhouse, in September, it is raining for 11.4 days, with typically 1.46" (37mm) of accumulated precipitation. In Blockhouse, during the entire year, the rain falls for 149 days and collects up to 18.74" (476mm) of precipitation.

Snowfall

April through September are months without snowfall in Blockhouse, Tennessee.

Daylight

The average length of the day in September in Blockhouse is 12h and 23min.
On the first day of September, sunrise is at 7:08 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:20 pm EDT.

Sunshine

In Blockhouse, the average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September 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: During September, 5 as the daily maximum UV index converts into the following advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

What is the usual temperature for Blockhouse in September?

In September, the average high-temperature and low-temperature in Blockhouse are 81.1°F (27.3°C) and 59.9°F (15.5°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 86°F (30°C).

What is the average humidity in September in Blockhouse?

In Blockhouse, the average relative humidity in September is 74%.

How many days does it rain in September in Blockhouse?

In September, the rain falls for 11.4 days. Throughout September, 1.46" (37mm) of precipitation is accumulated.

When it does not snow in Blockhouse?

April through September are months without snowfall in Blockhouse.

Does it snow in Blockhouse in September?

In Blockhouse, Tennessee, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Blockhouse?

The average day length in September is 12h and 23min.

When are sunrise and sunset in September in Blockhouse?

On the first day of September in Blockhouse, sunrise is at 7:08 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:20 pm EDT.

How many hours of sunshine does Blockhouse have in September?

The average sunshine duration in September in Blockhouse is 8.6h.

How high is the UV index in September in Blockhouse?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's 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
Blockhouse, TN

Average temperature in September - Blockhouse, TN
  • Average high temperature in September: 81.1°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

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Average pressure in September
Blockhouse, TN

Average pressure in September - Blockhouse, TN
  • Average pressure in September: 30.04"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).

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Average wind speed in September
Blockhouse, TN

Average wind speed in September - Blockhouse, TN
  • Average wind speed in September: 3.9mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

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Average humidity in September
Blockhouse, TN

Average humidity in September - Blockhouse, TN
  • Average humidity in September: 74%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).

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Average rainfall in September
Blockhouse, TN

Average rainfall in September - Blockhouse, TN
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is October (1.18").

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Average rainfall days in September
Blockhouse, TN

Average rainfall days in September - Blockhouse, TN
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).

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Average snowfall in September
Blockhouse, TN

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

The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in September
Blockhouse, TN

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

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Blockhouse, TN

Average daylight in September / Average sunshine in September - Blockhouse, 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 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days in September
Blockhouse, TN

Average sunshine days in September - Blockhouse, TN
  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).

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Average UV index in September
Blockhouse, TN

Average UV index in September - Blockhouse, 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).

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Average cloud cover in September
Blockhouse, TN

Average cloud cover in September - Blockhouse, 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 27).

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Average visibility in September
Blockhouse, TN

Average visibility in September - Blockhouse, TN
  • Average visibility in September: 6mi

The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).

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Blockhouse, Tennessee, USA

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