September weather forecast
Brookstown, LA

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Weather in September

The first month of the autumn, September, is still a hot month in Brookstown, Louisiana, with an average temperature varying between 88°F (31.1°C) and 70°F (21.1°C).

Temperature

Brookstown's average high-temperature in September sits at a still hot 88°F (31.1°C), showing little difference from the previous month. Throughout September, Brookstown's nights cool down to an average of 70°F (21.1°C).

Heat index

The heat index value during September is evaluated at a blistering 105.8°F (41°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Heat index determinations are made taking into account the shade and light air movements. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In Brookstown, Louisiana, the average relative humidity in September is 78%.

Rainfall

In Brookstown, during September, the rain falls for 17.6 days and regularly aggregates up to 2.95" (75mm) of precipitation. Throughout the year, there are 177.1 rainfall days, and 36.1" (917mm) of precipitation is accumulated.

Snowfall

February through November are months without snowfall.

Daylight

In Brookstown, the average length of the day in September is 12h and 20min.
On the first day of September in Brookstown, sunrise is at 6:41 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:50 pm CDT.

Sunshine

In September, the average sunshine is 9.5h.

UV index

In Brookstown, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In September, an average UV index of 6 transforms into the following instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

How hot is it in Brookstown in September?

In Brookstown, 88°F (31.1°C) is the average high-temperature and 70°F (21.1°C) is the average low-temperature during September. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in September is evaluated at 105.8°F (41°C).

What is the average humidity in September in Brookstown?

In September, the average relative humidity in Brookstown, Louisiana, is 78%.

How much does it rain in Brookstown in September?

In Brookstown, Louisiana, during September, the rain falls for 17.6 days and regularly aggregates up to 2.95" (75mm) of precipitation.

When it does not snow in Brookstown?

In Brookstown, snow does not fall in February through November.

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

The average day length in September in Brookstown is 12h and 20min.

When are sunrise and sunset in September in Brookstown?

On the first day of September in Brookstown, Louisiana, sunrise is at 6:41 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:50 pm CDT.

How many hours of sunshine does Brookstown have in September?

The average sunshine duration in September is 9.5h.

How high is the UV index in September in Brookstown?

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Brookstown, LA

Average temperature in September - Brookstown, LA
  • Average high temperature in September: 88°F

The warmest months (with the highest average high temperature) are July and August (91.9°F).
The month with the lowest average high temperature is January (58.6°F).

  • Average low temperature in September: 70°F

The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).

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Average pressure in September
Brookstown, LA

Average pressure in September - Brookstown, LA
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).

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Average wind speed in September
Brookstown, LA

Average wind speed in September - Brookstown, LA
  • Average wind speed in September: 4.6mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).

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Average humidity in September
Brookstown, LA

Average humidity in September - Brookstown, LA
  • Average humidity in September: 78%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
Brookstown, LA

Average rainfall in September - Brookstown, LA
  • Average rainfall in September: 2.95"

The wettest month (with the highest rainfall) is July (4.72").
The driest month (with the least rainfall) is November (1.77").

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Average rainfall days in September
Brookstown, LA

Average rainfall days in September - Brookstown, LA
  • Average rainfall days in September: 17.6 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in September
Brookstown, LA

Average snowfall in September - Brookstown, LA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.28").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Brookstown, LA

Average snowfall days in September - Brookstown, LA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Brookstown, LA

Average daylight in September / Average sunshine in September - Brookstown, LA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in September: 9h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in September
Brookstown, LA

Average sunshine days in September - Brookstown, LA
  • Average sunshine days in September: 10.4 days

The month with the most sunshine days is November (19.6 days).
The months with the least sunshine days are July and August (7.3 days).

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Average UV index in September
Brookstown, LA

Average UV index in September - Brookstown, LA
  • Average UV index in September: 6

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

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Average cloud cover in September
Brookstown, LA

Average cloud cover in September - Brookstown, LA
  • Average cloud cover in September: 34

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in September
Brookstown, LA

Average visibility in September - Brookstown, LA
  • Average visibility in September: 5mi

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

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Brookstown, Louisiana, USA

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