September weather forecast and climate
Eight Mile, AL

The first month of the autumn, September, is still a hot month in Eight Mile, Alabama, with average temperature ranging between max 87.3°F (30.7°C) and min 72.1°F (22.3°C).

Temperature

In Eight Mile, the average high-temperature is practically the same as in August - a still tropical 87.3°F (30.7°C). The average low-temperature, in September, is 72.1°F (22.3°C).

Heat index

In September, the average heat index is evaluated at a sweltering 100.4°F (38°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 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, pregnancy, metabolic differences), and activity. 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.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In Eight Mile, the average relative humidity is 74%.

Rainfall

In Eight Mile, Alabama, during September, the rain falls for 17.7 days and regularly aggregates up to 3.46" (88mm) of precipitation. Throughout the year, there are 173.3 rainfall days, and 39.33" (999mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall.

Daylight

In September, the average length of the day is 12.3h.

Sunshine

In September, the average sunshine in Eight Mile is 9.7h.

UV index

In Eight Mile, Alabama, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to the UV radiation for average individuals.
Note: In September, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Eight Mile?

The average high-temperature, in September, in Eight Mile, Alabama, is 87.3°F (30.7°C), while the average low-temperature is 72.1°F (22.3°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), that takes the relative humidity and factores it into the air temperature reading, is calculated to 100.4°F (38°C).

What is the average humidity in September in Eight Mile?

In September, the average relative humidity is 74%.

How much does it rain in Eight Mile in September?

In Eight Mile, Alabama, during September, the rain falls for 17.7 days and regularly aggregates up to 3.46" (88mm) of precipitation.

When it does not snow in Eight Mile?

In Eight Mile, Alabama, snow does not fall in February through December.

What is the average length of the day in September in Eight Mile?

In Eight Mile, the average length of the day in September is 12.3h.

How long on average sun shines in September in Eight Mile?

The average sunshine in September is 9.7h.

How high is the UV index in September in Eight Mile?

In Eight Mile, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Eight Mile, AL
  • Average high temperature in September: 87.3°F

The warmest months (with the highest average high temperature) are July and August (90.9°F).
The month with the lowest average high temperature is January (58.5°F).

  • Average low temperature in September: 72.1°F

The month with the highest average low temperature is August (76.5°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).

Average pressure in September - Eight Mile, AL
  • Average pressure in September: 29.98"

The month with the highest atmospheric pressure is January (30.16").
Months with the lowest atmospheric pressure are June and August (29.97").

Average wind speed in September - Eight Mile, AL
  • Average wind speed in September: 5.7mph

The windiest months (with the highest average wind speed) are January and April (7.4mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).

Average humidity in September - Eight Mile, AL
  • Average humidity in September: 74%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in September - Eight Mile, AL
  • Average rainfall in September: 3.46"

The wettest month (with the highest rainfall) is August (5.55").
The driest month (with the least rainfall) is November (2.05").

Average rainfall days in September - Eight Mile, AL
  • Average rainfall days in September: 17.7 days

The month with the highest number of rainy days is July (23.9 days).
The month with the least rainy days is November (8.4 days).

Average snowfall in September - Eight Mile, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.12").
Months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September - Eight Mile, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.2 days).
Months with the least snowfall days are February, April, May, June, July, August, September, October and November (0 days).

Average daylight in September / Average sunshine in September - Eight Mile, AL
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 14.1h).
The month with the shortest days is December (Average daylight: 10.2h).

  • Average sunshine in September: 9.7h

The month with the most sunshine is June (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 5.4h).

Average sunshine days in September - Eight Mile, AL
  • Average sunshine days in September: 10.7 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (5.4 days).

Average UV index in September - Eight Mile, AL
  • Average UV index in September: 6

Months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

Average cloud cover in September - Eight Mile, AL
  • Average cloud cover in September: 26

The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 24).

Average visibility in September - Eight Mile, 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).