September weather forecast
South Berlin, TN

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Weather in September

September, the first month of the autumn in South Berlin, is still a warm month, with temperature in the range of an average low of 61.9°F (16.6°C) and an average high of 81.1°F (27.3°C).

Temperature

With the beginning of September, the average high-temperature shows a small decrease, transitioning from a tropical 86.5°F (30.3°C) in August to a warm 81.1°F (27.3°C). In South Berlin, September's nights observe an average temperature dip to an enjoyable 61.9°F (16.6°C).

Heat index

The average heat index in September 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.
In terms of the heat index, values are set with light wind and shade conditions in mind. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

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

Rainfall

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

Snowfall

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

Daylight

In September, the average length of the day in South 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 6:42 am and sunset at 6:32 pm CDT.

Sunshine

The average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 5 during September leads to these instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

During September, South Berlin experiences an average high-temperature of 81.1°F (27.3°C) and a low-temperature of 61.9°F (16.6°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is estimated at 86°F (30°C).

What is the average humidity in September?

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

What is the driest month?

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

How much does it rain in September?

In South Berlin, in September, during 14.1 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

When it does not snow in South Berlin?

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

How many hours of daylight does South Berlin have in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:20 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:32 pm CDT.

How many hours of sunshine does South Berlin have in September?

In South Berlin, the average sunshine duration in September is 8.5h.

What is the UV index reading 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 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
South Berlin, TN

Average temperature in September - South 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
South Berlin, TN

Average pressure in September - South 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
South Berlin, TN

Average wind speed in September - South 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
South Berlin, TN

Average humidity in September - South 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
South Berlin, TN

Average rainfall in September - South 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
South Berlin, TN

Average rainfall days in September - South 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
South Berlin, TN

Average snowfall in September - South 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
South Berlin, TN

Average snowfall days in September - South 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
South Berlin, TN

Average daylight in September / Average sunshine in September - South 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
South Berlin, TN

Average sunshine days in September - South 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
South Berlin, TN

Average UV index in September - South 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
South Berlin, TN

Average cloud cover in September - South 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
South Berlin, TN

Average visibility in September - South 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).

South Berlin, Tennessee, USA

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