September weather forecast
Pecan Bayou, LA

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Weather in September

The first month of the autumn, September, is still a tropical month in Pecan Bayou, Louisiana, with an average temperature fluctuating between 67.8°F (19.9°C) and 87.8°F (31°C).

Temperature

The onset of September manifests an average high-temperature of a still hot 87.8°F (31°C), demonstrating a minor variation from the preceding month. An average low-temperature of 67.8°F (19.9°C) is recorded during the nights in September.

Heat index

September's average heat index is computed to be a very hot 100.4°F (38°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Note that heat index values are valued for light wind and location in the shade. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through 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. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

The average relative humidity in September in Pecan Bayou, Louisiana, is 71%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 1.5" (38mm) of precipitation.

Snowfall

April through November are months without snowfall in Pecan Bayou.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 6:43 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:53 pm CDT.

Sunshine

In Pecan Bayou, Louisiana, the average sunshine in September is 9.6h.

UV index

In Pecan Bayou, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in September interprets into the following advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

How hot does it get in Pecan Bayou in September?

The average high-temperature, in September, in Pecan Bayou, is 87.8°F (31°C), while the average low-temperature is 67.8°F (19.9°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is computed to be 100.4°F (38°C).

What is the average humidity in September in Pecan Bayou?

The average relative humidity in September in Pecan Bayou, Louisiana, is 71%.

What is the driest month in Pecan Bayou?

The month with the least rainfall in Pecan Bayou, Louisiana, is September, when the rain falls for 11.6 days and typically collects 1.5" (38mm) of precipitation.

How many days does it rain in September in Pecan Bayou?

In September, the rain falls for 11.6 days. Throughout September, 1.5" (38mm) of precipitation is accumulated.

When it does not snow in Pecan Bayou?

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

How many hours of daylight does Pecan Bayou have in September?

In September, the average day length in Pecan Bayou, Louisiana, is 12h and 22min.

When are sunrise and sunset in September in Pecan Bayou?

In September, on the first day of the month, sunrise is at 6:43 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:53 pm CDT.

How long on average sun shines in September in Pecan Bayou?

In Pecan Bayou, the average sunshine duration in September is 9.6h.

How high is the UV index in September in Pecan Bayou?

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

Average temperature in September - Pecan Bayou, LA
  • Average high temperature in September: 87.8°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (53.8°F).

  • Average low temperature in September: 67.8°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).

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Average pressure in September
Pecan Bayou, LA

Average pressure in September - Pecan Bayou, 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
Pecan Bayou, LA

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

The windiest months (with the highest average wind speed) are March and April (7.6mph).
The calmest months (with the lowest average wind speed) are July, August and September (5.3mph).

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Average humidity in September
Pecan Bayou, LA

Average humidity in September - Pecan Bayou, LA
  • Average humidity in September: 71%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in September
Pecan Bayou, LA

Average rainfall in September - Pecan Bayou, LA
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is April (4.17").
The driest month (with the least rainfall) is September (1.5").

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Average rainfall days in September
Pecan Bayou, LA

Average rainfall days in September - Pecan Bayou, LA
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is March (15.2 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in September
Pecan Bayou, LA

Average snowfall in September - Pecan Bayou, 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 and November (0").

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Average snowfall days in September
Pecan Bayou, LA

Average snowfall days in September - Pecan Bayou, LA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.8 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
Pecan Bayou, LA

Average daylight in September / Average sunshine in September - Pecan Bayou, 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 6min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in September
Pecan Bayou, LA

Average sunshine days in September - Pecan Bayou, LA
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is February (13.2 days).

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Average UV index in September
Pecan Bayou, LA

Average UV index in September - Pecan Bayou, 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
Pecan Bayou, LA

Average cloud cover in September - Pecan Bayou, LA
  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and October (Cloud cover 28).

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Average visibility in September
Pecan Bayou, LA

Average visibility in September - Pecan Bayou, 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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Pecan Bayou, Louisiana, USA

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