September weather forecast
Myrtle Grove Plantation, LA

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Weather in September

September, the first month of the autumn in Myrtle Grove Plantation, is still a hot month, with temperature in the range of an average high of 87.3°F (30.7°C) and an average low of 70.3°F (21.3°C).

Temperature

Myrtle Grove Plantation, Louisiana, records a slight change with September's average high-temperatures adjusting to a still hot 87.3°F (30.7°C) from August's 91.2°F (32.9°C). In Myrtle Grove Plantation, an average nighttime temperature of 70.3°F (21.3°C) is expected during September.

Heat index

The average heat index in September is computed to be a blistering 104°F (40°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important 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.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In September, the average relative humidity in Myrtle Grove Plantation is 79%.

Rainfall

In Myrtle Grove Plantation, in September, it is raining for 16 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, in Myrtle Grove Plantation, Louisiana, there are 148.6 rainfall days, and 15.51" (394mm) of precipitation is accumulated.

Snowfall

In Myrtle Grove Plantation, snow does not fall in February through December.

Daylight

In September, the average length of the day is 12h and 20min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:51 pm CDT.

Sunshine

The average sunshine in September is 9.7h.

UV index

The average daily maximum UV index in September in Myrtle Grove Plantation is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: During September, 6 as the daily maximum UV index converts into the following advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. 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. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

How hot is September in Myrtle Grove Plantation?

The average high-temperature, in September, in Myrtle Grove Plantation, is 87.3°F (30.7°C), while the average low-temperature is 70.3°F (21.3°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 104°F (40°C).

What is the average humidity in September in Myrtle Grove Plantation?

In Myrtle Grove Plantation, Louisiana, the average relative humidity in September is 79%.

How many days does it rain in September in Myrtle Grove Plantation?

In September, in Myrtle Grove Plantation, the rain falls for 16 days. Throughout September, 1.18" (30mm) of precipitation is accumulated.

When it does not snow in Myrtle Grove Plantation?

In Myrtle Grove Plantation, snow does not fall in February through December.

How many hours of daylight does Myrtle Grove Plantation have in September?

The average day length in September in Myrtle Grove Plantation, Louisiana, is 12h and 20min.

When are sunrise and sunset in September in Myrtle Grove Plantation?

On the first day of September in Myrtle Grove Plantation, sunrise is at 6:42 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:51 pm CDT.

How many hours of sunshine does Myrtle Grove Plantation have in September?

The average sunshine duration in September in Myrtle Grove Plantation, Louisiana, is 9.7h.

What is the UV index reading in September in Myrtle Grove Plantation?

In Myrtle Grove Plantation, Louisiana, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Myrtle Grove Plantation, LA

Average temperature in September - Myrtle Grove Plantation, LA
  • Average high temperature in September: 87.3°F

The warmest months (with the highest average high temperature) are July and August (91.2°F).
The month with the lowest average high temperature is January (59°F).

  • Average low temperature in September: 70.3°F

The month with the highest average low temperature is August (74.5°F).
The coldest month (with the lowest average low temperature) is January (43.5°F).

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Average pressure in September
Myrtle Grove Plantation, LA

Average pressure in September - Myrtle Grove Plantation, 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
Myrtle Grove Plantation, LA

Average wind speed in September - Myrtle Grove Plantation, LA
  • Average wind speed in September: 4.7mph

The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity in September
Myrtle Grove Plantation, LA

Average humidity in September - Myrtle Grove Plantation, LA
  • Average humidity in September: 79%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in September
Myrtle Grove Plantation, LA

Average rainfall in September - Myrtle Grove Plantation, LA
  • Average rainfall in September: 1.18"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is March (0.67").

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Average rainfall days in September
Myrtle Grove Plantation, LA

Average rainfall days in September - Myrtle Grove Plantation, LA
  • Average rainfall days in September: 16 days

The month with the highest number of rainy days is August (20.9 days).
The month with the least rainy days is November (7.1 days).

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Average snowfall in September
Myrtle Grove Plantation, LA

Average snowfall in September - Myrtle Grove Plantation, LA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Myrtle Grove Plantation, LA

Average snowfall days in September - Myrtle Grove Plantation, 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 February, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in September /
Average sunshine in September
Myrtle Grove Plantation, LA

Average daylight in September / Average sunshine in September - Myrtle Grove Plantation, 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in September
Myrtle Grove Plantation, LA

Average sunshine days in September - Myrtle Grove Plantation, LA
  • Average sunshine days in September: 11.3 days

The month with the most sunshine days is November (21.4 days).
The months with the least sunshine days are July and August (7.3 days).

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Average UV index in September
Myrtle Grove Plantation, LA

Average UV index in September - Myrtle Grove Plantation, LA
  • Average UV index in September: 6

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

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Average cloud cover in September
Myrtle Grove Plantation, LA

Average cloud cover in September - Myrtle Grove Plantation, LA
  • Average cloud cover in September: 31

The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 27).

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Average visibility in September
Myrtle Grove Plantation, LA

Average visibility in September - Myrtle Grove Plantation, LA
  • Average visibility in September: 5mi

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

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Myrtle Grove Plantation, Louisiana, USA

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