September weather forecast
Riddles Store, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Riddles Store, Tennessee, with temperature in the range of an average low of 59.9°F (15.5°C) and an average high of 81.1°F (27.3°C).

Temperature

As September begins, there is a minor decrease in the average high-temperature, softly falling from a tropical 86.7°F (30.4°C) in August to a moderately hot 81.1°F (27.3°C). September witnesses an average low-temperature hovering around a moderate 59.9°F (15.5°C).

Heat index

September's mean heat index is estimated at a tropical 86°F (30°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.
Consider that heat index readings are for situations in the shade and light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

The average relative humidity in September is 75%.

Rainfall

September is the month with the least rainfall in Riddles Store. Rain falls for 11.5 days and accumulates 1.93" (49mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 7:10 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:32 am and sunset at 7:22 pm EDT.

Sunshine

In September, the average sunshine in Riddles Store is 8.6h.

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 exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

What are September temperatures?

An average high-temperature, in September, in Riddles Store, is 81.1°F (27.3°C) and the average low-temperature is 59.9°F (15.5°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in September is estimated at 86°F (30°C).

What is the average humidity in September?

In Riddles Store, the average relative humidity in September is 75%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 1.93" (49mm) of precipitation.

How many days does it rain in September?

In Riddles Store, in September, it is raining for 11.5 days, with typically 1.93" (49mm) of accumulated precipitation.

When it does not snow?

In Riddles Store, snow does not fall in May through September.

Does it snow in September?

In Riddles Store, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Riddles Store have in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:10 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:22 pm EDT.

How many hours of sunshine does Riddles Store have in September?

In Riddles Store, the average sunshine duration in September is 8.6h.

How high is the UV index in September?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Riddles Store, TN

Average temperature in September - Riddles Store, TN
  • Average high temperature in September: 81.1°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45.7°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in September
Riddles Store, TN

Average pressure in September - Riddles Store, TN
  • Average pressure in September: 30.03"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in September
Riddles Store, TN

Average wind speed in September - Riddles Store, TN
  • Average wind speed in September: 4.2mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).

Average humidity in September
Riddles Store, TN

Average humidity in September - Riddles Store, TN
  • Average humidity in September: 75%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (74%).

Average rainfall in September
Riddles Store, TN

Average rainfall in September - Riddles Store, TN
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in September
Riddles Store, TN

Average rainfall days in September - Riddles Store, TN
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in September
Riddles Store, TN

Average snowfall in September - Riddles Store, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Riddles Store, TN

Average snowfall days in September - Riddles Store, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.1 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
Riddles Store, TN

Average daylight in September / Average sunshine in September - Riddles Store, 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).

Average sunshine days in September
Riddles Store, TN

Average sunshine days in September - Riddles Store, TN
  • Average sunshine days in September: 16.8 days

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in September
Riddles Store, TN

Average UV index in September - Riddles Store, 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).

Average cloud cover in September
Riddles Store, TN

Average cloud cover in September - Riddles Store, TN
  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in September
Riddles Store, TN

Average visibility in September - Riddles Store, 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).

Riddles Store, Tennessee, USA

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