September weather forecast
Obion, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Obion, Tennessee, with an average temperature fluctuating between 63.3°F (17.4°C) and 81.9°F (27.7°C).

Temperature

Obion's average high-temperature in September is a moderately hot 81.9°F (27.7°C), marking an insignificant difference from the 86.5°F (30.3°C) of August. During the nights in September, Obion experiences a consistent average temperature of 63.3°F (17.4°C).

Heat index

During September, the heat index is estimated at a tropical 86°F (30°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

The average relative humidity in September is 73%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 1.61" (41mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September in Obion is 12h and 24min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:24 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:41 pm CDT.

Sunshine

In September, the average sunshine is 9.7h.

UV index

In Obion, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 5 during September translates into the following directions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The high-temperature, in September, in Obion, records 81.9°F (27.7°C), while the low-temperature is 63.3°F (17.4°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is estimated at 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 73%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 1.61" (41mm) of precipitation.

How many days does it rain in September?

In Obion, during September, the rain falls for 12.4 days and regularly aggregates up to 1.61" (41mm) of precipitation.

When it does not snow?

In Obion, snow does not fall in April through October.

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

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:28 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:41 pm CDT.

How many hours of sunshine does Obion have in September?

In September, the average sunshine duration in Obion is 9.7h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Obion, TN

Average temperature in September - Obion, TN
  • Average high temperature in September: 81.9°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 (43.9°F).

  • Average low temperature in September: 63.3°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in September
Obion, TN

Average pressure in September - Obion, TN
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Obion, TN

Average wind speed in September - Obion, TN
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

Average humidity in September
Obion, TN

Average humidity in September - Obion, TN
  • Average humidity in September: 73%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (69%).

Average rainfall in September
Obion, TN

Average rainfall in September - Obion, TN
  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in September
Obion, TN

Average rainfall days in September - Obion, TN
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is May (17.1 days).
The months with the least rainy days are October and November (10.4 days).

Average snowfall in September
Obion, TN

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

The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Obion, TN

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

The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Obion, 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: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in September
Obion, TN

Average sunshine days in September - Obion, TN
  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is May (12.2 days).

Average UV index in September
Obion, TN

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

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are February and December (UV index 2).

Average cloud cover in September
Obion, TN

Average cloud cover in September - Obion, TN
  • Average cloud cover in September: 26

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 24).

Average visibility in September
Obion, TN

Average visibility in September - Obion, 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).

Obion, Tennessee, USA

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