September weather forecast
McCains, TN

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Weather in September

The first month of the autumn, September, is still a warm month in McCains, Tennessee, with an average temperature fluctuating between 81.3°F (27.4°C) and 61.7°F (16.5°C).

Temperature

September denotes a minimal variation in the average high-temperature to a moderately hot 81.3°F (27.4°C) from August's 86.5°F (30.3°C). In the month of September, an average of 61.7°F (16.5°C) marks the low-temperature.

Heat index

Throughout September, the heat index is calculated to be a hot 86°F (30°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

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

Rainfall

The month with the least rainfall in McCains is September, when the rain falls for 13.8 days and typically collects 2.36" (60mm) of precipitation.

Snowfall

May through October are months without snowfall in McCains, Tennessee.

Daylight

In September, the average length of the day in McCains is 12h and 23min.
On the first day of September, sunrise is at 6:21 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:33 pm CDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In McCains, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 5 during September leads to these instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What is the average September temperature in McCains?

The high-temperature, in September, in McCains, is 81.3°F (27.4°C), while the low-temperature averages to 61.7°F (16.5°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 86°F (30°C).

What is the average humidity in September in McCains?

The average relative humidity in September is 76%.

What is the driest month in McCains?

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

How many days does it rain in September in McCains?

In September, the rain falls for 13.8 days. Throughout September, 2.36" (60mm) of precipitation is accumulated.

When it does not snow in McCains?

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

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

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

What time are sunrise and sunset in September in McCains?

On the first day of September in McCains, Tennessee, sunrise is at 6:21 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:33 pm CDT.

How long on average sun shines in September in McCains?

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

What is the UV index intensity in September in McCains?

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
McCains, TN

Average temperature in September - McCains, 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).

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Average pressure in September
McCains, TN

Average pressure in September - McCains, 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).

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Average wind speed in September
McCains, TN

Average wind speed in September - McCains, 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).

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Average humidity in September
McCains, TN

Average humidity in September - McCains, 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%).

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Average rainfall in September
McCains, TN

Average rainfall in September - McCains, 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").

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Average rainfall days in September
McCains, TN

Average rainfall days in September - McCains, 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).

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Average snowfall in September
McCains, TN

Average snowfall in September - McCains, 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").

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Average snowfall days in September
McCains, TN

Average snowfall days in September - McCains, 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).

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

Average daylight in September / Average sunshine in September - McCains, 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).

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Average sunshine days in September
McCains, TN

Average sunshine days in September - McCains, 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).

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Average UV index in September
McCains, TN

Average UV index in September - McCains, 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).

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Average cloud cover in September
McCains, TN

Average cloud cover in September - McCains, 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).

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Average visibility in September
McCains, TN

Average visibility in September - McCains, 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).

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McCains, Tennessee, USA

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