September weather forecast and climate
Brookside, AL

The first month of the autumn, September, is also a moderately hot month in Brookside, Alabama, with temperature in the range of an average high of 85.1°F (29.5°C) and an average low of 65.8°F (18.8°C).

Temperature

In Brookside, the average high-temperature in September is essentially the same as in August - a warm 85.1°F (29.5°C). In Brookside, Alabama, in September, the average low-temperature is 65.8°F (18.8°C).

Heat index

The average heat index is calculated to a hot 93.4°F (34.1°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 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like pregnancy, wind, clothing, and activity influence one's weather impression. 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

September and October, with an average relative humidity of 71%, are the least humid months in Brookside.

Rainfall

In Brookside, during September, the rain falls for 14.5 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, there are 173.7 rainfall days, and 40" (1016mm) of precipitation is accumulated.

Snowfall

In Brookside snow does not fall in April through October.

Daylight

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

Sunshine

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

UV index

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. 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 Brookside?

In September, in Brookside, the average high-temperature is 85.1°F (29.5°C), and the average low-temperature is 65.8°F (18.8°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that factores the actual air temperature with the relative humidity, is appraised at 93.4°F (34.1°C).

What is the least humid month in Brookside?

September and October, with an average relative humidity of 71%, are the least humid months in Brookside.

What is the average humidity in September in Brookside?

In Brookside, the average relative humidity in September is 71%.

How many days does it rain in September in Brookside?

In September, in Brookside, the rain falls for 14.5 days. Throughout September, 2.48" (63mm) of precipitation is accumulated.

When it does not snow in Brookside?

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

What is the average length of the day in September in Brookside?

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

How long on average sun shines in September in Brookside?

The average sunshine in September in Brookside is 8.9h.

How high is the UV index in September in Brookside?

In Brookside, Alabama, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation.
Average temperature in September - Brookside, AL
  • Average high temperature in September: 85.1°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.9°F).

  • Average low temperature in September: 65.8°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

Average pressure in September - Brookside, AL
  • Average pressure in September: 30.01"

The month with the highest atmospheric pressure is January (30.17").
Months with the lowest atmospheric pressure are June and August (29.98").

Average wind speed in September - Brookside, AL
  • Average wind speed in September: 4.9mph

The windiest months (with the highest average wind speed) are February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in September - Brookside, AL
  • Average humidity in September: 71%

The month with the highest relative humidity is December (79%).
Months with the lowest relative humidity are September and October (71%).

Average rainfall in September - Brookside, AL
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is October (2.24").

Average rainfall days in September - Brookside, AL
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (9.6 days).

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

Average daylight in September / Average sunshine in September - Brookside, 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: 10h).

  • Average sunshine in September: 8.9h

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

Average sunshine days in September - Brookside, AL
  • Average sunshine days in September: 13 days

The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is July (7.5 days).

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

The month with the highest UV index is August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in September - Brookside, AL
  • Average cloud cover in September: 30

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

Average visibility in September - Brookside, 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).