September weather forecast and climate
Cobb City, AL

The first month of the autumn, September, is also a moderately hot month in Cobb City, Alabama, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 84°F (28.9°C).

Temperature

In September, the average high-temperature is almost the same as in August - a moderately hot 84°F (28.9°C). The average low-temperature, is 63.9°F (17.7°C).

Heat index

The average heat index in September is estimated at a hot 91.9°F (33.3°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. 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', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like wind, pregnancy, differences in body mass, height, and shape, 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 particularly important for children. 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 74%.

Rainfall

In September, in Cobb City, the rain falls for 12.9 days. Throughout September, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 171.3 rainfall days, and 37.83" (961mm) of precipitation is accumulated.

Snowfall

In Cobb City snow does not fall in April through October.

Daylight

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

Sunshine

In Cobb City, the average sunshine is 8.6h.

UV index

In September, the average daily maximum UV index in Cobb City is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. 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 Cobb City?

In September, the average high-temperature is 84°F (28.9°C), and the average low-temperature is 63.9°F (17.7°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), that combines both air temperature and relative humidity, is estimated at 91.9°F (33.3°C).

What is the average humidity in September in Cobb City?

In Cobb City, the average relative humidity in September is 74%.

How much does it rain in Cobb City in September?

In September, the rain falls for 12.9 days. Throughout September, 2.36" (60mm) of precipitation is accumulated.

When it does not snow in Cobb City?

In Cobb City, Alabama, snow does not fall in April through October.

What is the average length of the day in September in Cobb City?

In September, the average length of the day in Cobb City, Alabama, is 12.4h.

How many hours of sunshine does Cobb City have in September?

In September, the average sunshine in Cobb City, Alabama, is 8.6h.

What is the UV index reading in September in Cobb City?

The average daily maximum UV index in September in Cobb City is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.
Average temperature in September - Cobb City, AL
  • Average high temperature in September: 84°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: 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 (34.2°F).

Average pressure in September - Cobb City, 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 - Cobb City, AL
  • Average wind speed in September: 4.6mph

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

Average humidity in September - Cobb City, 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 (72%).

Average rainfall in September - Cobb City, AL
  • Average rainfall in September: 2.36"

The wettest months (with the highest rainfall) are February and December (3.9").
The driest month (with the least rainfall) is October (2.32").

Average rainfall days in September - Cobb City, AL
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in September - Cobb City, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is December (0.43").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September - Cobb City, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.4 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 - Cobb City, 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: 8.6h

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

Average sunshine days in September - Cobb City, AL
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in September - Cobb City, 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 - Cobb City, AL
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in September - Cobb City, 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).