September weather forecast
Walroy, LA

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Weather in September

September, the first month of the autumn in Walroy, is still a hot month, with an average temperature ranging between max 86.7°F (30.4°C) and min 70.5°F (21.4°C).

Temperature

Walroy, Louisiana, observes a minor difference in average high-temperatures between August's 90°F (32.2°C) and September's 86.7°F (30.4°C). Walroy's average low-temperature during September nights is observed to be an agreeable 70.5°F (21.4°C).

Heat index

The average heat index in September is estimated at a sweltering 102.2°F (39°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

In Walroy, the average relative humidity in September is 79%.

Rainfall

In Walroy, Louisiana, during September, the rain falls for 14.9 days and regularly aggregates up to 1.38" (35mm) of precipitation. In Walroy, during the entire year, the rain falls for 143.3 days and collects up to 17.91" (455mm) of precipitation.

Snowfall

In Walroy, snow does not fall in February through December.

Daylight

The average length of the day in September in Walroy, Louisiana, is 12h and 20min.
On the first day of the month, sunrise is at 6:45 am and sunset at 7:30 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:54 pm CDT.

Sunshine

In Walroy, the average sunshine in September is 9.9h.

UV index

In Walroy, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during September leads to these instructions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

How hot is it in Walroy in September?

In September, the average high-temperature and low-temperature in Walroy, Louisiana, are 86.7°F (30.4°C) and 70.5°F (21.4°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 102.2°F (39°C).

What is the average humidity in September in Walroy?

In September, the average relative humidity is 79%.

How much does it rain in Walroy in September?

In Walroy, during September, the rain falls for 14.9 days and regularly aggregates up to 1.38" (35mm) of precipitation.

When it does not snow in Walroy?

February through December are months without snowfall in Walroy.

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

In Walroy, the average day length in September is 12h and 20min.

When are sunrise and sunset in September in Walroy?

On the first day of September, sunrise is at 6:45 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:54 pm CDT.

How many hours of sunshine does Walroy have in September?

The average sunshine duration in September in Walroy is 9.9h.

What is the UV index reading in September in Walroy?

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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Walroy, LA

Average temperature in September - Walroy, LA
  • Average high temperature in September: 86.7°F

The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (58.8°F).

  • Average low temperature in September: 70.5°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

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Average pressure in September
Walroy, LA

Average pressure in September - Walroy, LA
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in September
Walroy, LA

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

The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest months (with the lowest average wind speed) are July, August and September (5.3mph).

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Average humidity in September
Walroy, LA

Average humidity in September - Walroy, LA
  • Average humidity in September: 79%

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

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Average rainfall in September
Walroy, LA

Average rainfall in September - Walroy, LA
  • Average rainfall in September: 1.38"

The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is March (0.83").

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Average rainfall days in September
Walroy, LA

Average rainfall days in September - Walroy, LA
  • Average rainfall days in September: 14.9 days

The month with the highest number of rainy days is August (20 days).
The months with the least rainy days are January and November (7.8 days).

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Average snowfall days in September
Walroy, LA

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

The month with the highest number of snowfall days is January (0.1 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
Walroy, LA

Average daylight in September / Average sunshine in September - Walroy, 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 5min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in September
Walroy, LA

Average sunshine days in September - Walroy, LA
  • Average sunshine days in September: 12.1 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (8 days).

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Average UV index in September
Walroy, LA

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

The months with the highest UV index are May, 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
Walroy, LA

Average cloud cover in September - Walroy, LA
  • Average cloud cover in September: 29

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 25).

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Average visibility in September
Walroy, LA

Average visibility in September - Walroy, 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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Walroy, Louisiana, USA

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