September weather forecast
Rayon City, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Rayon City, Tennessee, with an average temperature fluctuating between 81.1°F (27.3°C) and 62.2°F (16.8°C).

Temperature

The transition into September subtly indicates a reduction in the average high-temperature, down to a warm 81.1°F (27.3°C) from August's hot 86.7°F (30.4°C). Throughout the nights in September, Rayon City experiences an average low-temperature of 62.2°F (16.8°C).

Heat index

September's average heat index is estimated at a tropical 86°F (30°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

In Rayon City, the average relative humidity in September is 74%.

Rainfall

The month with the least rainfall is September, when the rain falls for 14.6 days and typically collects 2.36" (60mm) of precipitation.

Snowfall

In Rayon City, snow does not fall in May through October.

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of the month, sunrise is at 6:18 am and sunset at 7:14 pm. On the last day of September, sunrise is at 6:41 am and sunset at 6:31 pm CDT.

Sunshine

In Rayon City, the average sunshine in September is 8.5h.

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 unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 5 in September translates into this advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

Rayon City in September has an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 62.2°F (16.8°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is estimated at 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

What is the driest month?

The month with the least rainfall in Rayon City is September, when the rain falls for 14.6 days and typically collects 2.36" (60mm) of precipitation.

How much does it rain in September?

In Rayon City, in September, during 14.6 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September in Rayon City?

The average day length in September in Rayon City is 12h and 24min.

When are sunrise and sunset in September in Rayon City?

In September, on the first day of the month, sunrise is at 6:18 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:31 pm CDT.

How many hours of sunshine does Rayon City have in September?

The average sunshine duration in September is 8.5h.

What is the UV index intensity 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 Sun's UV rays.
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
Rayon City, TN

Average temperature in September - Rayon City, TN
  • Average high temperature in September: 81.1°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (43.9°F).

  • Average low temperature in September: 62.2°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure in September
Rayon City, TN

Average pressure in September - Rayon City, 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
Rayon City, TN

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

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in September
Rayon City, TN

Average humidity in September - Rayon City, TN
  • Average humidity in September: 74%

The months with the highest relative humidity are March and December (78%).
The month with the lowest relative humidity is October (73%).

Average rainfall in September
Rayon City, TN

Average rainfall in September - Rayon City, TN
  • Average rainfall in September: 2.36"

The wettest month (with the highest rainfall) is July (4.45").
The driest month (with the least rainfall) is September (2.36").

Average rainfall days in September
Rayon City, TN

Average rainfall days in September - Rayon City, TN
  • Average rainfall days in September: 14.6 days

The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (10.4 days).

Average snowfall in September
Rayon City, TN

Average snowfall in September - Rayon City, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Rayon City, TN

Average snowfall days in September - Rayon City, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.2 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
Rayon City, TN

Average daylight in September / Average sunshine in September - Rayon City, 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 36min).

Average sunshine days in September
Rayon City, TN

Average sunshine days in September - Rayon City, TN
  • Average sunshine days in September: 14.6 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (9.2 days).

Average UV index in September
Rayon City, TN

Average UV index in September - Rayon City, 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
Rayon City, TN

Average cloud cover in September - Rayon City, TN
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 29).

Average visibility in September
Rayon City, TN

Average visibility in September - Rayon City, 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).

Rayon City, Tennessee, USA

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