September weather forecast
Lakeharbor, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Lakeharbor, Tennessee, with an average temperature fluctuating between 59.2°F (15.1°C) and 79.7°F (26.5°C).

Temperature

The transition into September involves a small decrease in the average high-temperature, dipping slightly from a warm 85.5°F (29.7°C) in August to a still moderately hot 79.7°F (26.5°C). Nighttime temperature experiences an average drop to a moderate 59.2°F (15.1°C) in September.

Humidity

In September, the average relative humidity is 77%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.2 days and typically collects 2.32" (59mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 7:10 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:33 am and sunset at 7:23 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In September, an average UV index of 5 transforms into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In September, the average high-temperature and low-temperature are 79.7°F (26.5°C) and 59.2°F (15.1°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 96.8°F (36°C).

What is the average humidity in September?

The average relative humidity in September is 77%.

What is the driest month in Lakeharbor?

September is the month with the least rainfall. Rain falls for 13.2 days and accumulates 2.32" (59mm) of precipitation.

How many days does it rain in September?

In September, the rain falls for 13.2 days. Throughout September, 2.32" (59mm) of precipitation is accumulated.

When it does not snow?

In Lakeharbor, Tennessee, snow does not fall in May through October.

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

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 7:10 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:23 pm EDT.

How many hours of sunshine does Lakeharbor have in September?

In September, the average sunshine duration is 8.5h.

What is the UV index intensity in September?

In Lakeharbor, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Lakeharbor, TN

Average temperature in September - Lakeharbor, TN
  • Average high temperature in September: 79.7°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (43.7°F).

  • Average low temperature in September: 59.2°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

Average pressure in September
Lakeharbor, TN

Average pressure in September - Lakeharbor, 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
Lakeharbor, TN

Average wind speed in September - Lakeharbor, TN
  • Average wind speed in September: 4mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in September
Lakeharbor, TN

Average humidity in September - Lakeharbor, TN
  • Average humidity in September: 77%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is November (76%).

Average rainfall in September
Lakeharbor, TN

Average rainfall in September - Lakeharbor, TN
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is July (4.29").
The driest month (with the least rainfall) is September (2.32").

Average rainfall days in September
Lakeharbor, TN

Average rainfall days in September - Lakeharbor, TN
  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (10.7 days).

Average snowfall in September
Lakeharbor, TN

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

The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Lakeharbor, TN

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

The months with the highest number of snowfall days are January and February (3.3 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
Lakeharbor, TN

Average daylight in September / Average sunshine in September - Lakeharbor, 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 54min).

Average sunshine days in September
Lakeharbor, TN

Average sunshine days in September - Lakeharbor, TN
  • Average sunshine days in September: 14.3 days

The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is July (9.4 days).

Average UV index in September
Lakeharbor, TN

Average UV index in September - Lakeharbor, 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
Lakeharbor, TN

Average cloud cover in September - Lakeharbor, TN
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in September
Lakeharbor, TN

Average visibility in September - Lakeharbor, TN
  • Average visibility in September: 5mi

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

Lakeharbor, Tennessee, USA

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