September weather forecast and climate
Cool Springs, AL

September, the first month of the autumn, in Cool Springs, is still a warm month, with average temperature varying between 63.9°F (17.7°C) and 83.7°F (28.7°C).

Temperature

In Cool Springs, the average high-temperature in September is practically the same as in August - a moderately hot 83.7°F (28.7°C). In Cool Springs, in September, the average low-temperature is 63.9°F (17.7°C).

Heat index

The average heat index is calculated to a tropical 91°F (32.8°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 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, pregnancy, differences in body mass, height, and shape, and wind affect individual temperature impact. 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 Cool Springs, Alabama, the average relative humidity is 74%.

Rainfall

September is the month with the least rainfall in Cool Springs. Rain falls for 12.4 days and accumulates 1.3" (33mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Cool Springs, the average length of the day is 12.4h.

Sunshine

The average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in Cool Springs is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against sun damage is advised. 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 Cool Springs?

In Cool Springs, Alabama, in September, the average high-temperature is 83.7°F (28.7°C), and the average low-temperature is 63.9°F (17.7°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that calculates temperature value influenced by the moisture in the air, in September is calculated to 91°F (32.8°C).

What is the average humidity in September in Cool Springs?

In Cool Springs, Alabama, the average relative humidity in September is 74%.

How much does it rain in Cool Springs in September?

In Cool Springs, in September, it is raining for 12.4 days, with typically 1.3" (33mm) of accumulated precipitation.

What is the driest month in Cool Springs?

September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 1.3" (33mm) of precipitation.

When it does not snow in Cool Springs?

In Cool Springs snow does not fall in April through October.

How many hours of daylight does Cool Springs have in September?

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

How many hours of sunshine does Cool Springs have in September?

In September, the average sunshine is 8.7h.

How high is the UV index in September in Cool Springs?

In Cool Springs, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in September - Cool Springs, AL
  • Average high temperature in September: 83.7°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (49.8°F).

  • Average low temperature in September: 63.9°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 (34.3°F).

Average pressure in September - Cool Springs, AL
  • Average pressure in September: 30.02"

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 - Cool Springs, AL
  • Average wind speed in September: 4.7mph

The windiest months (with the highest average wind speed) are January and February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September - Cool Springs, AL
  • Average humidity in September: 74%

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

Average rainfall in September - Cool Springs, AL
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is December (2.8").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in September - Cool Springs, AL
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in September - Cool Springs, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.55").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September - Cool Springs, 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 May, June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Cool Springs, 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: 8.7h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.7h).

Average sunshine days in September - Cool Springs, AL
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (8.9 days).

Average UV index in September - Cool Springs, AL
  • Average UV index in September: 5

Months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in September - Cool Springs, AL
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 48).
Months with the least cloud cover are June and September (Cloud cover 30).

Average visibility in September - Cool Springs, 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).