September weather forecast
Holum, LA

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Weather in September

The first month of the autumn, September, is still a tropical month in Holum, Louisiana, with an average temperature fluctuating between 67.8°F (19.9°C) and 88°F (31.1°C).

Temperature

The unfolding of September shows an average high-temperature of a still tropical 88°F (31.1°C), indicating a slight variance from August's 93.2°F (34°C). In the month of September, an average of 67.8°F (19.9°C) marks the low-temperature in Holum.

Heat index

Throughout September, the heat index is evaluated at a very hot 102.2°F (39°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In Holum, the average relative humidity in September is 74%.

Rainfall

In September, the rain falls for 16.2 days. Throughout September, 2.52" (64mm) of precipitation is accumulated. Throughout the year, in Holum, Louisiana, there are 172.1 rainfall days, and 39.45" (1002mm) of precipitation is accumulated.

Snowfall

In Holum, Louisiana, snow does not fall in April through November.

Daylight

In September, the average length of the day in Holum is 12h and 21min.
On the first day of September in Holum, Louisiana, sunrise is at 6:44 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:54 pm CDT.

Sunshine

In September, the average sunshine in Holum is 9.4h.

UV index

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 6 during September leads to these instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

How hot does it get in Holum in September?

Holum in September has an average high-temperature of 88°F (31.1°C) and an average low-temperature of 67.8°F (19.9°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is evaluated at 102.2°F (39°C).

What is the average humidity in September in Holum?

In Holum, Louisiana, the average relative humidity in September is 74%.

How much does it rain in Holum in September?

In Holum, Louisiana, in September, during 16.2 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

When it does not snow in Holum?

In Holum, snow does not fall in April through November.

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

In Holum, the average day length in September is 12h and 21min.

What time are sunrise and sunset in September in Holum?

In September, on the first day of the month, sunrise is at 6:44 am and sunset at 7:32 pm. On the last day of the month, in Holum, Louisiana, sunrise is at 7:02 am and sunset at 6:54 pm CDT.

How many hours of sunshine does Holum have in September?

In Holum, the average sunshine duration in September is 9.4h.

What is the UV index reading in September in Holum?

In September, the average daily maximum UV index in Holum, Louisiana, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
Holum, LA

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

The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (54.9°F).

  • Average low temperature in September: 67.8°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).

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Average pressure in September
Holum, LA

Average pressure in September - Holum, LA
  • Average pressure in September: 29.98"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
Holum, LA

Average wind speed in September - Holum, LA
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).

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Average humidity in September
Holum, LA

Average humidity in September - Holum, LA
  • Average humidity in September: 74%

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Holum, LA

Average rainfall in September - Holum, LA
  • Average rainfall in September: 2.52"

The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is November (2.4").

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Average rainfall days in September
Holum, LA

Average rainfall days in September - Holum, LA
  • Average rainfall days in September: 16.2 days

The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is November (9.9 days).

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Average snowfall in September
Holum, LA

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

The months with the highest snowfall are January and February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Holum, LA

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

The month with the highest number of snowfall days is January (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

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

  • Average sunshine in September: 9h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in September
Holum, LA

Average sunshine days in September - Holum, LA
  • Average sunshine days in September: 11.5 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is August (9.8 days).

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Average UV index in September
Holum, LA

Average UV index in September - Holum, 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
Holum, LA

Average cloud cover in September - Holum, LA
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in September
Holum, LA

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

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

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Holum, Louisiana, USA

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