September weather forecast
Riddleton, TN

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Weather in September

September, the first month of the autumn in Riddleton, is still a warm month, with an average temperature ranging between max 80.6°F (27°C) and min 60.6°F (15.9°C).

Temperature

As September arrives, Riddleton's weather displays a minor decrease in high-temperatures, transitioning from August's hot 86°F (30°C) to a warm 80.6°F (27°C). Throughout the month of September, Riddleton witnesses an average low-temperature of 60.6°F (15.9°C).

Heat index

Throughout September, the heat index is estimated at 84.2°F (29°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
Heat index determinations are made taking into account the shade and light air movements. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity in Riddleton is 77%.

Rainfall

The month with the least rainfall is September, when the rain falls for 14 days and typically collects 2.32" (59mm) of precipitation.

Snowfall

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

Daylight

In Riddleton, the average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:16 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:28 pm CDT.

Sunshine

In Riddleton, the average sunshine in September is 8.3h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

What are the temperatures in Riddleton in September?

The average high-temperature, in September, in Riddleton, is 80.6°F (27°C), while the average low-temperature is 60.6°F (15.9°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in September is estimated at 84.2°F (29°C).

What is the average humidity in September in Riddleton?

In Riddleton, Tennessee, the average relative humidity in September is 77%.

What is the driest month in Riddleton?

September is the month with the least rainfall in Riddleton, Tennessee. Rain falls for 14 days and accumulates 2.32" (59mm) of precipitation.

How many days does it rain in September in Riddleton?

In Riddleton, Tennessee, in September, it is raining for 14 days, with typically 2.32" (59mm) of accumulated precipitation.

When it does not snow in Riddleton?

May through October are months without snowfall.

How many hours of daylight does Riddleton have in September?

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

What time are sunrise and sunset in September in Riddleton?

In September, on the first day of the month, sunrise is at 6:16 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:28 pm CDT.

How many hours of sunshine does Riddleton have in September?

In September, the average sunshine duration is 8.3h.

What is the UV index reading in September in Riddleton?

In September, the average daily maximum UV index in Riddleton is 5. A UV Index of 3 to 5 symbolizes 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
Riddleton, TN

Average temperature in September - Riddleton, TN
  • Average high temperature in September: 80.6°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (43.7°F).

  • Average low temperature in September: 60.6°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in September
Riddleton, TN

Average pressure in September - Riddleton, 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
Riddleton, TN

Average wind speed in September - Riddleton, TN
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in September
Riddleton, TN

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

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

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Average rainfall in September
Riddleton, TN

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

The wettest months (with the highest rainfall) are February and July (4.17").
The driest month (with the least rainfall) is September (2.32").

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Average rainfall days in September
Riddleton, TN

Average rainfall days in September - Riddleton, TN
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (10.5 days).

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Average snowfall in September
Riddleton, TN

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

The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Riddleton, TN

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

The month with the highest number of snowfall days is January (4.5 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
Riddleton, TN

Average daylight in September / Average sunshine in September - Riddleton, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in September
Riddleton, TN

Average sunshine days in September - Riddleton, TN
  • Average sunshine days in September: 14.6 days

The months with the most sunshine days are October and November (18 days).
The month with the least sunshine days is July (10 days).

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Average UV index in September
Riddleton, TN

Average UV index in September - Riddleton, 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).

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Average cloud cover in September
Riddleton, TN

Average cloud cover in September - Riddleton, TN
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in September
Riddleton, TN

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

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

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Riddleton, Tennessee, USA

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