September weather forecast and climate
Carbon Hill, AL

The first month of the autumn, September, is also a moderately hot month in Carbon Hill, Alabama, with temperature in the range of an average high of 84.9°F (29.4°C) and an average low of 65.1°F (18.4°C).

Temperature

In Carbon Hill, the average high-temperature is essentially the same as in August - a moderately hot 84.9°F (29.4°C). In September, the average low-temperature is 65.1°F (18.4°C).

Heat index

In September, the average heat index is calculated to a hot 93.7°F (34.3°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like differences in body mass, height, and shape, clothing, wind, 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 particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity in Carbon Hill is 73%.

Rainfall

September and November are months with the least rain when the rain falls for 12.9 days and typically aggregates up to 2.32" (59mm) of rain.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in Carbon Hill is 12.4h.

Sunshine

In September, the average sunshine in Carbon Hill is 8.9h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. 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 Carbon Hill?

In September, the average high-temperature is 84.9°F (29.4°C), and the average low-temperature is 65.1°F (18.4°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), that combines air temperature and relative humidity, in September is evaluated at 93.7°F (34.3°C).

What is the average humidity in September in Carbon Hill?

In Carbon Hill, Alabama, the average relative humidity in September is 73%.

How much does it rain in Carbon Hill in September?

In Carbon Hill, Alabama, during September, the rain falls for 12.9 days and regularly aggregates up to 2.32" (59mm) of precipitation.

What is the driest month in Carbon Hill?

September and November are months with the least rain when the rain falls for 12.9 days and typically aggregates up to 2.32" (59mm) of rain.

When it does not snow in Carbon Hill?

April through October are months without snowfall.

What is the average length of the day in September in Carbon Hill?

The average length of the day in September is 12.4h.

How long on average sun shines in September in Carbon Hill?

In Carbon Hill, the average sunshine in September is 8.9h.

What is the UV index intensity in September in Carbon Hill?

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.
Average temperature in September - Carbon Hill, AL
  • Average high temperature in September: 84.9°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in September: 65.1°F

Months with the highest average low temperature are July and August (70°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).

Average pressure in September - Carbon Hill, 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 (29.97").

Average wind speed in September - Carbon Hill, AL
  • Average wind speed in September: 5.2mph

The windiest months (with the highest average wind speed) are February and April (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in September - Carbon Hill, AL
  • Average humidity in September: 73%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September - Carbon Hill, AL
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is December (4.49").
The driest months (with the least rainfall) are September and November (2.32").

Average rainfall days in September - Carbon Hill, AL
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.5 days).

Average snowfall in September - Carbon Hill, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.67").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September - Carbon Hill, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (1.9 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 - Carbon Hill, 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

The month with the most sunshine is June (Average sunshine: 10.3h).
Months with the least sunshine are February and December (Average sunshine: 4.7).

Average sunshine days in September - Carbon Hill, AL
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in September - Carbon Hill, AL
  • Average UV index in September: 5

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

Average cloud cover in September - Carbon Hill, AL
  • Average cloud cover in September: 30

Months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in September - Carbon Hill, AL
  • Average visibility in September: 6mi

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