September weather forecast
Watauga, TN

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Weather in September

September, the first month of the autumn in Watauga, is still a warm month, with temperature in the range of an average high of 76.5°F (24.7°C) and an average low of 53.8°F (12.1°C).

Temperature

The transition into September shows a subtle variation to a still warm 76.5°F (24.7°C) from August's 81.7°F (27.6°C) in the average high-temperature. Watauga witnesses a consistent, sharp contrast from the daytime highs, with an average low-temperature of 53.8°F (12.1°C) throughout September.

Humidity

In Watauga, Tennessee, the average relative humidity in September is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 15.1 days and typically collects 1.5" (38mm) of precipitation.

Snowfall

In Watauga, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of September in Watauga, sunrise is at 7:01 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:13 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 4 during September morphs into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

In Watauga, in September, the average high-temperature is 76.5°F (24.7°C), and the average low-temperature is 53.8°F (12.1°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is estimated at 87.8°F (31°C).

What is the average humidity in September?

In Watauga, the average relative humidity in September is 78%.

What is the driest month?

The month with the least rainfall in Watauga, Tennessee, is September, when the rain falls for 15.1 days and typically collects 1.5" (38mm) of precipitation.

How many days does it rain in September?

In Watauga, in September, during 15.1 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

When it does not snow?

In Watauga, snow does not fall in May through September.

Does it snow in September?

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

How many hours of daylight does Watauga have in September?

In Watauga, the average day length in September is 12h and 24min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 7:01 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:13 pm EDT.

How long on average sun shines in September?

In Watauga, the average sunshine duration in September is 8.5h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
Watauga, TN

Average temperature in September - Watauga, TN
  • Average high temperature in September: 76.5°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in September: 53.8°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

Average pressure in September
Watauga, TN

Average pressure in September - Watauga, TN
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in September
Watauga, TN

Average wind speed in September - Watauga, TN
  • Average wind speed in September: 4.3mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in September
Watauga, TN

Average humidity in September - Watauga, TN
  • Average humidity in September: 78%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).

Average rainfall in September
Watauga, TN

Average rainfall in September - Watauga, TN
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is February (3.46").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in September
Watauga, TN

Average rainfall days in September - Watauga, TN
  • Average rainfall days in September: 15.1 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (11.5 days).

Average snowfall in September
Watauga, TN

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

The month with the highest snowfall is December (4.92").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Watauga, TN

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

The months with the highest number of snowfall days are January and February (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The months with the most sunshine are June, July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in September
Watauga, TN

Average sunshine days in September - Watauga, TN
  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is February (8.6 days).

Average UV index in September
Watauga, TN

Average UV index in September - Watauga, TN
  • Average UV index in September: 4

The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September
Watauga, TN

Average cloud cover in September - Watauga, TN
  • Average cloud cover in September: 36

The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Watauga, TN

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

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

Watauga, Tennessee, USA

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