September weather forecast
Havana, TN

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Weather in September

September, the first month of the autumn in Havana, is still a warm month, with an average temperature ranging between max 83.3°F (28.5°C) and min 63.5°F (17.5°C).

Temperature

The advent of September brings an average high-temperature of a moderately hot 83.3°F (28.5°C), almost identical to the preceding month. September generally records an average low-temperature of 63.5°F (17.5°C).

Heat index

The heat index for September is computed to be a hot 89.6°F (32°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

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

Rainfall

September is the month with the least rainfall in Havana. Rain falls for 13.7 days and accumulates 2.05" (52mm) of precipitation.

Snowfall

In Havana, snow does not fall in April through October.

Daylight

The average length of the day in September in Havana, Tennessee, is 12h and 23min.
On the first day of September, sunrise is at 6:25 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:37 pm CDT.

Sunshine

In Havana, the average sunshine in September is 9.1h.

UV index

In September, the average daily maximum UV index in Havana is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the UV index of 5 transforms into the following advice:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

How hot is September in Havana?

The average high-temperature, in September, in Havana, is 83.3°F (28.5°C), while the average low-temperature is 63.5°F (17.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is computed to be 89.6°F (32°C).

What is the average humidity in September in Havana?

The average relative humidity in September is 74%.

What is the driest month in Havana?

The month with the least rainfall in Havana is September, when the rain falls for 13.7 days and typically collects 2.05" (52mm) of precipitation.

How much does it rain in Havana in September?

In Havana, Tennessee, during September, the rain falls for 13.7 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When it does not snow in Havana?

In Havana, snow does not fall in April through October.

How many hours of daylight does Havana have in September?

The average day length in September in Havana is 12h and 23min.

When is the sunrise / sunset in September in Havana?

On the first day of September, sunrise is at 6:25 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:37 pm CDT.

How long on average sun shines in September in Havana?

The average sunshine duration in September in Havana is 9.1h.

How high is the UV index in September in Havana?

In Havana, Tennessee, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe 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
Havana, TN

Average temperature in September - Havana, TN
  • Average high temperature in September: 83.3°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in September: 63.5°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 (32.5°F).

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Average pressure in September
Havana, TN

Average pressure in September - Havana, 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 (29.96"Hg).

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Average wind speed in September
Havana, TN

Average wind speed in September - Havana, TN
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

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Average humidity in September
Havana, TN

Average humidity in September - Havana, TN
  • Average humidity in September: 74%

The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in September
Havana, TN

Average rainfall in September - Havana, TN
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is February (4.41").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in September
Havana, TN

Average rainfall days in September - Havana, TN
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (9.8 days).

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Average snowfall in September
Havana, TN

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

The month with the highest snowfall is February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Havana, TN

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

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Havana, TN

Average daylight in September / Average sunshine in September - Havana, 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: 9h and 1min

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

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Average sunshine days in September
Havana, TN

Average sunshine days in September - Havana, TN
  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (10.9 days).

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Average UV index in September
Havana, TN

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

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

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Average cloud cover in September
Havana, TN

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

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in September
Havana, TN

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

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

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Havana, Tennessee, USA

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