September weather forecast and climate
Coaldale, AL

The first month of the autumn, September, is still a warm month in Coaldale, Alabama, with average temperature fluctuating between 65.3°F (18.5°C) and 84.9°F (29.4°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, the average low-temperature is 65.3°F (18.5°C).

Heat index

The average heat index in September is calculated to a tropical 93.2°F (34°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
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 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like clothing, metabolic differences, pregnancy, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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 Coaldale, Alabama, the average relative humidity is 72%.

Rainfall

In Coaldale, Alabama, during September, the rain falls for 14.2 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, in Coaldale, there are 173.8 rainfall days, and 39.41" (1001mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

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

Sunshine

The average sunshine in September is 8.9h.

UV index

The average daily maximum UV index in Coaldale is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Coaldale?

In Coaldale, in September, the average high-temperature is 84.9°F (29.4°C), and the average low-temperature is 65.3°F (18.5°C). The average heat index (a.k.a. 'feels like', '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 Coaldale?

In September, the average relative humidity is 72%.

How many days does it rain in September in Coaldale?

In September, the rain falls for 14.2 days. Throughout September, 2.4" (61mm) of precipitation is accumulated.

When it does not snow in Coaldale?

April through October are months without snowfall.

What is the average length of the day in September in Coaldale?

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

How many hours of sunshine does Coaldale have in September?

In September, the average sunshine in Coaldale is 8.9h.

What is the UV index intensity in September in Coaldale?

In Coaldale, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in September - Coaldale, 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 - Coaldale, 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 - Coaldale, 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 - Coaldale, 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 - Coaldale, 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 - Coaldale, 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 - Coaldale, 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 - Coaldale, 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 - Coaldale, 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 - Coaldale, 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 - Coaldale, 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 - Coaldale, 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 - Coaldale, 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).