September weather forecast
Lanier, TN

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Weather in September

September, the first month of the autumn in Lanier, is still a warm month, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 81°F (27.2°C).

Temperature

The onset of September brings a small shift in high-temperatures, falling from a tropical 86.5°F (30.3°C) in August to a warm 81°F (27.2°C). During the month of September, an average low-temperature of 59.5°F (15.3°C) is recorded.

Heat index

September's heat index is evaluated at a hot 86°F (30°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.69" (43mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 7:09 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:21 pm EDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

The average daily maximum UV index in September in Lanier is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In Lanier, in September, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 59.5°F (15.3°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 86°F (30°C).

What is the average humidity in September?

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

What is the driest month?

September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.69" (43mm) of precipitation.

How much does it rain in September?

In Lanier, in September, it is raining for 12 days, with typically 1.69" (43mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Lanier have in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:09 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:21 pm EDT.

How many hours of sunshine does Lanier have in September?

The average sunshine duration in September is 8.7h.

What is the UV index intensity in September?

The average daily maximum UV index in September 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
Lanier, TN

Average temperature in September - Lanier, TN
  • Average high temperature in September: 81°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°F).

  • Average low temperature in September: 59.5°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in September
Lanier, TN

Average pressure in September - Lanier, TN
  • Average pressure in September: 30.04"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
Lanier, TN

Average wind speed in September - Lanier, TN
  • Average wind speed in September: 3.9mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in September
Lanier, TN

Average humidity in September - Lanier, 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
Lanier, TN

Average rainfall in September - Lanier, TN
  • Average rainfall in September: 1.69"

The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in September
Lanier, TN

Average rainfall days in September - Lanier, TN
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.6 days).

Average snowfall in September
Lanier, TN

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

The month with the highest snowfall is February (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Lanier, TN

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

The month with the highest number of snowfall days is January (4.7 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
Lanier, TN

Average daylight in September / Average sunshine in September - Lanier, 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 month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in September
Lanier, TN

Average sunshine days in September - Lanier, TN
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.5 days).

Average UV index in September
Lanier, TN

Average UV index in September - Lanier, 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
Lanier, TN

Average cloud cover in September - Lanier, TN
  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in September
Lanier, TN

Average visibility in September - Lanier, TN
  • Average visibility in September: 6mi

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

Lanier, Tennessee, USA

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