September weather forecast
Berlin, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Berlin, Tennessee, with an average temperature fluctuating between 81.1°F (27.3°C) and 61.9°F (16.6°C).

Temperature

The advent of September brings a subtle shift in temperature, with the average high moving from a hot 86.5°F (30.3°C) in August to a warm 81.1°F (27.3°C). In Berlin, an average temperature of 61.9°F (16.6°C) is noted during September nights.

Heat index

Throughout September, the heat index is estimated at a tropical 86°F (30°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. 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

The average relative humidity in September is 76%.

Rainfall

The month with the least rainfall in Berlin is September, when the rain falls for 14.1 days and typically collects 2.24" (57mm) of precipitation.

Snowfall

In Berlin, Tennessee, snow does not fall in May through October.

Daylight

In September, the average length of the day in Berlin is 12h and 23min.
On the first day of the month, sunrise is at 6:20 am and sunset at 7:14 pm. On the last day of September, sunrise is at 6:41 am and sunset at 6:32 pm CDT.

Sunshine

The average sunshine in September in Berlin is 8.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes 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:
Act with care - The need to guard against sun damage is communicated. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Berlin?

In September, in Berlin, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 61.9°F (16.6°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 86°F (30°C).

What is the average humidity in September in Berlin?

In Berlin, Tennessee, the average relative humidity in September is 76%.

What is the driest month in Berlin?

September is the month with the least rainfall in Berlin. Rain falls for 14.1 days and accumulates 2.24" (57mm) of precipitation.

How many days does it rain in September in Berlin?

In Berlin, Tennessee, in September, it is raining for 14.1 days, with typically 2.24" (57mm) of accumulated precipitation.

When it does not snow in Berlin?

May through October are months without snowfall.

How many hours of daylight does Berlin have in September?

The average day length in September in Berlin, Tennessee, is 12h and 23min.

When is the sunrise / sunset in September in Berlin?

In September, on the first day of the month, sunrise is at 6:20 am and sunset at 7:14 pm. On the last day of the month, in Berlin, Tennessee, sunrise is at 6:41 am and sunset at 6:32 pm CDT.

How many hours of sunshine does Berlin have in September?

The average sunshine duration in September in Berlin, Tennessee, is 8.5h.

How high is the UV index in September in Berlin?

In Berlin, Tennessee, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Berlin, TN

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

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.7°F).

  • Average low temperature in September: 61.9°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

Average pressure in September
Berlin, TN

Average pressure in September - Berlin, 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
Berlin, TN

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

The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

Average humidity in September
Berlin, TN

Average humidity in September - Berlin, TN
  • Average humidity in September: 76%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Berlin, TN

Average rainfall in September - Berlin, TN
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is September (2.24").

Average rainfall days in September
Berlin, TN

Average rainfall days in September - Berlin, TN
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (9.5 days).

Average snowfall in September
Berlin, TN

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

The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Berlin, TN

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

The month with the highest number of snowfall days is February (2.6 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
Berlin, TN

Average daylight in September / Average sunshine in September - Berlin, 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 3min

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 30min).

Average sunshine days in September
Berlin, TN

Average sunshine days in September - Berlin, TN
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in September
Berlin, TN

Average UV index in September - Berlin, TN
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in September
Berlin, TN

Average cloud cover in September - Berlin, TN
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in September
Berlin, TN

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

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

Berlin, Tennessee, USA

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