September weather forecast and climate
Andrews Chapel, AL

The first month of the autumn, September, is still a warm month in Andrews Chapel, Alabama, with average temperature varying between 83.3°F (28.5°C) and 64°F (17.8°C).

Temperature

In September, the average high-temperature is practically the same as in August - a moderately hot 83.3°F (28.5°C). In September, in Andrews Chapel, the average low-temperature is 64°F (17.8°C).

Heat index

The average heat index is calculated to a tropical 90.1°F (32.3°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. 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', 'feels like', or 'apparent temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, metabolic differences, 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. 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 Andrews Chapel, Alabama, during 13.7 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, there are 173 rainfall days, and 41.38" (1051mm) of precipitation is accumulated.

Snowfall

In Andrews Chapel, Alabama, snow does not fall in April through October.

Daylight

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

Sunshine

In Andrews Chapel, Alabama, the average sunshine is 8.8h.

UV index

In Andrews Chapel, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for the ordinary person.
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Andrews Chapel?

In Andrews Chapel, in September, the average high-temperature is 83.3°F (28.5°C), and the average low-temperature is 64°F (17.8°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that represents influence of the relative humidity to air temperaure, in September is estimated at 90.1°F (32.3°C).

What is the average humidity in September in Andrews Chapel?

The average relative humidity in September in Andrews Chapel, Alabama, is 74%.

How much does it rain in Andrews Chapel in September?

In September, in Andrews Chapel, the rain falls for 13.7 days. Throughout September, 2.48" (63mm) of precipitation is accumulated.

When it does not snow in Andrews Chapel?

In Andrews Chapel snow does not fall in April through October.

How many hours of daylight does Andrews Chapel have in September?

The average length of the day in September in Andrews Chapel is 12.4h.

How many hours of sunshine does Andrews Chapel have in September?

The average sunshine in September is 8.8h.

What is the UV index reading in September in Andrews Chapel?

The average daily maximum UV index in September in Andrews Chapel is 5. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in September - Andrews Chapel, AL
  • Average high temperature in September: 83.3°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in September: 64°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).

Average pressure in September - Andrews Chapel, 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 - Andrews Chapel, AL
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in September - Andrews Chapel, 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 (72%).

Average rainfall in September - Andrews Chapel, AL
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is December (4.25").
The driest month (with the least rainfall) is November (2.24").

Average rainfall days in September - Andrews Chapel, AL
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in September - Andrews Chapel, 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 - Andrews Chapel, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.1 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 - Andrews Chapel, 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: 8.8h

The month with the most sunshine is June (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average sunshine days in September - Andrews Chapel, AL
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in September - Andrews Chapel, 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 and December (UV index 2).

Average cloud cover in September - Andrews Chapel, AL
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in September - Andrews Chapel, 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).