September weather forecast and climate
Andalusia, AL

The first month of the autumn, September, is also a hot month in Andalusia, Alabama, with average temperature varying between 87.3°F (30.7°C) and 68.7°F (20.4°C).

Temperature

In Andalusia, the average high-temperature in September is relatively the same as in August - a still hot 87.3°F (30.7°C). The average low-temperature, in September, is 68.7°F (20.4°C).

Heat index

In September, the average heat index is calculated to a sweltering 100.4°F (38°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 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (pregnancy, differences in body mass, height, and shape, clothing), 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. 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.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. 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 Andalusia, Alabama, the average relative humidity in September is 74%.

Rainfall

Months with the least rainfall are March, September and November Rain falls for 12.1 days and accumulates 0.75" (19mm) of rain.

Snowfall

March through November are months without snowfall in Andalusia.

Daylight

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

Sunshine

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

UV index

In Andalusia, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 Andalusia?

In September, in Andalusia, the average high-temperature is 87.3°F (30.7°C), and the average low-temperature is 68.7°F (20.4°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), that calculates temperature value influenced by the moisture in the air, is calculated to 100.4°F (38°C).

What is the average humidity in September in Andalusia?

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

How many days does it rain in September in Andalusia?

In Andalusia, Alabama, during September, the rain falls for 12.1 days and regularly aggregates up to 0.75" (19mm) of precipitation.

What is the driest month in Andalusia?

March, September and November are months with the least rain in Andalusia when the rain falls for 12.1 days and typically aggregates up to 0.75" (19mm) of rain.

When it does not snow in Andalusia?

March through November are months without snowfall.

How many hours of daylight does Andalusia have in September?

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

How many hours of sunshine does Andalusia have in September?

The average sunshine in September in Andalusia is 8.9h.

What is the UV index reading in September in Andalusia?

The average daily maximum UV index in September in Andalusia is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to the UV radiation.
Average temperature in September - Andalusia, AL
  • Average high temperature in September: 87.3°F

The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (57.7°F).

  • Average low temperature in September: 68.7°F

Months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

Average pressure in September - Andalusia, 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 - Andalusia, AL
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is January (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in September - Andalusia, AL
  • Average humidity in September: 74%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (70%).

Average rainfall in September - Andalusia, AL
  • Average rainfall in September: 0.75"

The wettest month (with the highest rainfall) is August (1.65").
The driest months (with the least rainfall) are March, September and November (0.75").

Average rainfall days in September - Andalusia, AL
  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (5.7 days).

Average snowfall days in September - Andalusia, 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 March, April, May, June, July, August, September, October and November (0 days).

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

The month with the longest days is June (Average daylight: 14.2h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in September: 8.9h

The month with the most sunshine is June (Average sunshine: 10.8h).
Months with the least sunshine are February and December (Average sunshine: 5.2).

Average sunshine days in September - Andalusia, AL
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is November (23.1 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in September - Andalusia, AL
  • Average UV index in September: 6

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

Average cloud cover in September - Andalusia, AL
  • Average cloud cover in September: 31

The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 28).

Average visibility in September - Andalusia, AL
  • Average visibility in September: 5mi

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