September weather forecast
Old Fremont, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Old Fremont, Tennessee, with temperature in the range of an average low of 62.4°F (16.9°C) and an average high of 81.9°F (27.7°C).

Temperature

Old Fremont's average high-temperature in September sits at a warm 81.9°F (27.7°C), showing little difference from the previous month. An average temperature of 62.4°F (16.9°C) is recorded during the nights in September.

Heat index

The heat index in September is estimated at a tropical 86°F (30°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

In Old Fremont, the average relative humidity in September is 73%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.2 days and typically collects 1.65" (42mm) of precipitation.

Snowfall

In Old Fremont, snow does not fall in April through October.

Daylight

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

Sunshine

In Old Fremont, the average sunshine in September is 9.4h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the UV index of 5 transforms into the following advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. It's recommended to limit sun exposure when its radiation is at its peak during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Jun 17, 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 during September is 81.9°F (27.7°C) and the low-temperature is 62.4°F (16.9°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in September is estimated at 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September is 73%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 12.2 days and typically collects 1.65" (42mm) of precipitation.

How many days does it rain in September?

In September, the rain falls for 12.2 days. Throughout September, 1.65" (42mm) of precipitation is accumulated.

When it does not snow?

In Old Fremont, snow does not fall in April through October.

How many hours of daylight does Old Fremont have in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, 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 long on average sun shines in September?

In Old Fremont, Tennessee, the average sunshine duration in September is 9.4h.

How high is the UV index in September?

In Old Fremont, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents 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
Old Fremont, TN

Average temperature in September - Old Fremont, TN
  • Average high temperature in September: 81.9°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (43.3°F).

  • Average low temperature in September: 62.4°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 (30.4°F).

Average pressure in September
Old Fremont, TN

Average pressure in September - Old Fremont, 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 (29.95"Hg).

Average wind speed in September
Old Fremont, TN

Average wind speed in September - Old Fremont, TN
  • Average wind speed in September: 6.4mph

The windiest months (with the highest average wind speed) are February, March and April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in September
Old Fremont, TN

Average humidity in September - Old Fremont, TN
  • Average humidity in September: 73%

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

Average rainfall in September
Old Fremont, TN

Average rainfall in September - Old Fremont, TN
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is April (4.57").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in September
Old Fremont, TN

Average rainfall days in September - Old Fremont, TN
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is November (10.1 days).

Average snowfall in September
Old Fremont, TN

Average snowfall in September - Old Fremont, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Old Fremont, TN

Average snowfall days in September - Old Fremont, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Old Fremont, TN

Average daylight in September / Average sunshine in September - Old Fremont, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in September
Old Fremont, TN

Average sunshine days in September - Old Fremont, TN
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in September
Old Fremont, TN

Average UV index in September - Old Fremont, TN
  • Average UV index in September: 5

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

Average cloud cover in September
Old Fremont, TN

Average cloud cover in September - Old Fremont, TN
  • Average cloud cover in September: 27

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).

Average visibility in September
Old Fremont, TN

Average visibility in September - Old Fremont, 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).

Old Fremont, Tennessee, USA

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