September weather forecastBarthelia, TN

September

Weather in September

The first month of the autumn, September, is still a warm month in Barthelia, Tennessee, with an average temperature varying between 61°F (16.1°C) and 80.2°F (26.8°C).

Temperature

A mild shift in the average high-temperature occurs in September, reducing from 85.6°F (29.8°C) in August to a still moderately hot 80.2°F (26.8°C). September nights cool down to an average low-temperature of 61°F (16.1°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

The month with the least rainfall is September, when the rain falls for 14.2 days and typically collects 2.05" (52mm) of precipitation.

Snowfall

In Barthelia, snow does not fall in May through September.

Daylight

In Barthelia, the average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:17 am and sunset at 7:12 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:29 pm CDT.

Sunshine

In Barthelia, the average sunshine in September 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 medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

September temperatures vary between a high-temperature of 80.2°F (26.8°C) and a low-temperature of 61°F (16.1°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in August is estimated at 96.8°F (36°C).

The average relative humidity in September is 77%.

September is the month with the least rainfall in Barthelia. Rain falls for 14.2 days and accumulates 2.05" (52mm) of precipitation.

In Barthelia, in September, during 14.2 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

In Barthelia, snow does not fall in May through September.

In Barthelia, in September, it doesn't snow. In October, it regularly snows.

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

On the first day of September, sunrise is at 6:17 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:29 pm CDT.

The average sunshine duration in September in Barthelia is 8.5h.

The average daily maximum UV index in September in Barthelia, Tennessee, is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Barthelia, TN

  • Average high temperature in September: 80.2°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (43.7°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in September
Barthelia, 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
Barthelia, TN

  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in September
Barthelia, TN

  • Average humidity in September: 77%

The months with the highest relative humidity are February, March, May and December (79%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in September
Barthelia, TN

  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in September
Barthelia, TN

  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in September
Barthelia, TN

  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Barthelia, TN

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.4 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
Barthelia, TN

  • Average daylight in September: 12h and 24min

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: 8h and 30min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in September
Barthelia, TN

  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in September
Barthelia, 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
Barthelia, TN

  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in September
Barthelia, TN

  • Average visibility in September: 6mi

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