September weather forecast
Siglo, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Siglo, Tennessee, with an average temperature varying between 61.7°F (16.5°C) and 81.3°F (27.4°C).

Temperature

The advent of September brings an average high-temperature of a warm 81.3°F (27.4°C), almost identical to the preceding month. Nighttime temperature experiences an average drop to a comfortable 61.7°F (16.5°C) in September.

Heat index

In September, the heat index is appraised at a hot 86°F (30°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. 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

In September, the average relative humidity is 76%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.8 days and accumulates 2.36" (60mm) of precipitation.

Snowfall

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

Daylight

In Siglo, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:21 am and sunset at 7:15 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:33 pm CDT.

Sunshine

In Siglo, the average sunshine in September is 8.5h.

UV index

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: An average maximum UV index of 5 in September leads to these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

In September, in Siglo, the average high-temperature is 81.3°F (27.4°C), and the average low-temperature is 61.7°F (16.5°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 86°F (30°C).

What is the average humidity in September?

In Siglo, the average relative humidity in September is 76%.

What is the driest month?

September is the month with the least rainfall in Siglo. Rain falls for 13.8 days and accumulates 2.36" (60mm) of precipitation.

How much does it rain in September?

In Siglo, during September, the rain falls for 13.8 days and regularly aggregates up to 2.36" (60mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

In September, the average day length in Siglo is 12h and 23min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:21 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:33 pm CDT.

How many hours of sunshine does Siglo have in September?

In September, the average sunshine duration is 8.5h.

What is the UV index intensity in September in Siglo?

The average daily maximum UV index in September is 5. A UV Index estimate 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
Siglo, TN

Average temperature in September - Siglo, TN
  • Average high temperature in September: 81.3°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.3°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 (30.9°F).

Average pressure in September
Siglo, TN

Average pressure in September - Siglo, 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 (29.97"Hg).

Average wind speed in September
Siglo, TN

Average wind speed in September - Siglo, TN
  • Average wind speed in September: 5.1mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in September
Siglo, TN

Average humidity in September - Siglo, TN
  • Average humidity in September: 76%

The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Siglo, TN

Average rainfall in September - Siglo, TN
  • Average rainfall in September: 2.36"

The wettest months (with the highest rainfall) are February and July (4.06").
The driest month (with the least rainfall) is September (2.36").

Average rainfall days in September
Siglo, TN

Average rainfall days in September - Siglo, TN
  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.9 days).

Average snowfall in September
Siglo, TN

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

The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Siglo, TN

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

The months with the highest number of snowfall days are January and February (2.8 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
Siglo, TN

Average daylight in September / Average sunshine in September - Siglo, 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 18min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in September
Siglo, TN

Average sunshine days in September - Siglo, TN
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in September
Siglo, TN

Average UV index in September - Siglo, TN
  • Average UV index in September: 5

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

Average cloud cover in September
Siglo, TN

Average cloud cover in September - Siglo, 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 30).

Average visibility in September
Siglo, TN

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

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

Siglo, Tennessee, USA

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