September weather forecast
Marcarco, LA

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Weather in September

The first month of the autumn, September, is still a hot month in Marcarco, Louisiana, with an average temperature fluctuating between 67.5°F (19.7°C) and 87.1°F (30.6°C).

Temperature

September commences with an average high-temperature of a still hot 87.1°F (30.6°C), showing little deviation from August's 92.1°F (33.4°C). During September, the temperature is averaged to a low of 67.5°F (19.7°C) at night.

Heat index

The heat index for September is calculated to be a very hot 98.6°F (37°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

The average relative humidity in September in Marcarco is 71%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.2 days and accumulates 1.54" (39mm) of precipitation.

Snowfall

In Marcarco, snow does not fall in April through December.

Daylight

The average length of the day in September in Marcarco is 12h and 22min.
On the first day of the month, sunrise is at 6:43 am and sunset at 7:32 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:53 pm CDT.

Sunshine

In Marcarco, the average sunshine in September is 10h.

UV index

The average daily maximum UV index in September in Marcarco is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

How hot does it get in Marcarco in September?

The high-temperature, in September, in Marcarco, records 87.1°F (30.6°C), while the low-temperature is 67.5°F (19.7°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is calculated to be 98.6°F (37°C).

What is the average humidity in September in Marcarco?

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

What is the driest month in Marcarco?

The month with the least rainfall in Marcarco, Louisiana, is September, when the rain falls for 12.2 days and typically collects 1.54" (39mm) of precipitation.

How much does it rain in Marcarco in September?

In Marcarco, during September, the rain falls for 12.2 days and regularly aggregates up to 1.54" (39mm) of precipitation.

When it does not snow in Marcarco?

April through December are months without snowfall in Marcarco, Louisiana.

How many hours of daylight does Marcarco have in September?

In September, the average day length is 12h and 22min.

When are sunrise and sunset in September in Marcarco?

On the first day of September in Marcarco, sunrise is at 6:43 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:53 pm CDT.

How many hours of sunshine does Marcarco have in September?

In Marcarco, the average sunshine duration in September is 10h.

What is the UV index reading in September in Marcarco?

In Marcarco, 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 exposure to the Sun's UV radiation.
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
Marcarco, LA

Average temperature in September - Marcarco, LA
  • Average high temperature in September: 87.1°F

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (53.4°F).

  • Average low temperature in September: 67.5°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

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Average pressure in September
Marcarco, LA

Average pressure in September - Marcarco, LA
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in September
Marcarco, LA

Average wind speed in September - Marcarco, LA
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).

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Average humidity in September
Marcarco, LA

Average humidity in September - Marcarco, LA
  • Average humidity in September: 71%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in September
Marcarco, LA

Average rainfall in September - Marcarco, LA
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in September
Marcarco, LA

Average rainfall days in September - Marcarco, LA
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in September
Marcarco, LA

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

The month with the highest snowfall is February (0.2").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Marcarco, LA

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

The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 10h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in September
Marcarco, LA

Average sunshine days in September - Marcarco, LA
  • Average sunshine days in September: 16 days

The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is February (13.1 days).

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Average UV index in September
Marcarco, LA

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

The months with the highest UV index are 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
Marcarco, LA

Average cloud cover in September - Marcarco, LA
  • Average cloud cover in September: 27

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in September
Marcarco, LA

Average visibility in September - Marcarco, LA
  • Average visibility in September: 6mi

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

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Marcarco, Louisiana, USA

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