September weather forecast and climate
County Line, AL

September, the first month of the autumn, in County Line, is still a warm month, with temperature in the range of an average high of 84.9°F (29.4°C) and an average low of 65.3°F (18.5°C).

Temperature

In September, the average high-temperature is essentially the same as in August - a warm 84.9°F (29.4°C). In September, in County Line, the average low-temperature is 65.3°F (18.5°C).

Heat index

The average heat index is estimated at a hot 93.2°F (34°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'felt air temperature', or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like metabolic differences, pregnancy, differences in body mass, height, and shape, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in September is 72%.

Rainfall

In County Line, during September, the rain falls for 14.2 days and regularly aggregates up to 2.4" (61mm) of precipitation. In County Line, during the entire year, the rain falls for 173.8 days and collects up to 39.41" (1001mm) of precipitation.

Snowfall

In County Line snow does not fall in April through October.

Daylight

The average length of the day in County Line, Alabama, is 12.4h.

Sunshine

The average sunshine in September is 8.9h.

UV index

The average daily maximum UV index in County Line, Alabama, is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in County Line?

The average high-temperature, in September, in County Line, Alabama, is 84.9°F (29.4°C), while the average low-temperature is 65.3°F (18.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), that calculates temperature value influenced by the moisture in the air, in September is evaluated at 93.2°F (34°C).

What is the average humidity in September in County Line?

The average relative humidity in September in County Line is 72%.

How much does it rain in County Line in September?

In County Line, Alabama, in September, it is raining for 14.2 days, with typically 2.4" (61mm) of accumulated precipitation.

When it does not snow in County Line?

In County Line snow does not fall in April through October.

What is the average length of the day in September in County Line?

In September, the average length of the day is 12.4h.

How many hours of sunshine does County Line have in September?

The average sunshine in September in County Line, Alabama, is 8.9h.

How high is the UV index in September in County Line?

In County Line, Alabama, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in September - County Line, AL
  • Average high temperature in September: 84.9°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (50.7°F).

  • Average low temperature in September: 65.3°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

Average pressure in September - County Line, AL
  • Average pressure in September: 30.01"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.98").

Average wind speed in September - County Line, AL
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).

Average humidity in September - County Line, AL
  • Average humidity in September: 72%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September - County Line, AL
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is December (4.09").
The driest month (with the least rainfall) is October (2.09").

Average rainfall days in September - County Line, AL
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in September - County Line, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.79").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September - County Line, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.3 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - County Line, AL
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 8.9h

Months with the most sunshine are June and July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in September - County Line, AL
  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (7.2 days).

Average UV index in September - County Line, AL
  • Average UV index in September: 5

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September - County Line, AL
  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 48).
Months with the least cloud cover are June and September (Cloud cover 29).

Average visibility in September - County Line, AL
  • Average visibility in September: 6mi

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