September weather forecast
Dutch Bayou, LA

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Weather in September

The first month of the autumn, September, is also a hot month in Dutch Bayou, Louisiana, with an average temperature ranging between max 86.9°F (30.5°C) and min 72.5°F (22.5°C).

Temperature

September's commencement is accompanied by an average high-temperature of a still hot 86.9°F (30.5°C), diverging marginally from August's 89.6°F (32°C). During September, Dutch Bayou consistently records a temperature low averaging a pleasant 72.5°F (22.5°C).

Heat index

For most parts of September, the heat index is estimated at a sweltering 102.2°F (39°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Always consider that heat index estimations are for light winds and places in the shade. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. 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.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Dutch Bayou, in September, it is raining for 18.3 days, with typically 2.76" (70mm) of accumulated precipitation. Throughout the year, in Dutch Bayou, there are 174 rainfall days, and 34.76" (883mm) of precipitation is accumulated.

Snowfall

In Dutch Bayou, snow does not fall in February through December.

Daylight

In Dutch Bayou, the average length of the day in September is 12h and 20min.
On the first day of September, sunrise is at 6:39 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:48 pm CDT.

Sunshine

In Dutch Bayou, the average sunshine in September is 10.1h.

UV index

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 6 during September, leads to the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. 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 optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

Is it hot during September?

The high-temperature during September is 86.9°F (30.5°C) and the low-temperature is 72.5°F (22.5°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is estimated at 102.2°F (39°C).

What is the average humidity in September?

In Dutch Bayou, the average relative humidity in September is 78%.

How much does it rain in Dutch Bayou in September?

In Dutch Bayou, Louisiana, during September, the rain falls for 18.3 days and regularly aggregates up to 2.76" (70mm) of precipitation.

When it does not snow?

In Dutch Bayou, snow does not fall in February through December.

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:39 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:48 pm CDT.

How long on average sun shines in September?

In Dutch Bayou, the average sunshine duration in September is 10.1h.

How high is the UV index in September?

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

Average temperature in September - Dutch Bayou, LA
  • Average high temperature in September: 86.9°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in September: 72.5°F

The months with the highest average low temperature are July and August (75.7°F).
The coldest month (with the lowest average low temperature) is January (46°F).

Average pressure in September
Dutch Bayou, LA

Average pressure in September - Dutch Bayou, 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, August and September (29.97"Hg).

Average wind speed in September
Dutch Bayou, LA

Average wind speed in September - Dutch Bayou, LA
  • Average wind speed in September: 5.7mph

The windiest months (with the highest average wind speed) are January, February and April (8mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).

Average humidity in September
Dutch Bayou, LA

Average humidity in September - Dutch Bayou, LA
  • Average humidity in September: 78%

The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is October (73%).

Average rainfall in September
Dutch Bayou, LA

Average rainfall in September - Dutch Bayou, LA
  • Average rainfall in September: 2.76"

The wettest month (with the highest rainfall) is July (5.55").
The driest month (with the least rainfall) is November (1.5").

Average rainfall days in September
Dutch Bayou, LA

Average rainfall days in September - Dutch Bayou, LA
  • Average rainfall days in September: 18.3 days

The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is November (7.7 days).

Average snowfall in September
Dutch Bayou, LA

Average snowfall in September - Dutch Bayou, LA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Dutch Bayou, LA

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

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Dutch Bayou, LA

Average daylight in September / Average sunshine in September - Dutch Bayou, 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: 10h and 1min

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).

Average sunshine days in September
Dutch Bayou, LA

Average sunshine days in September - Dutch Bayou, LA
  • Average sunshine days in September: 8.7 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (6 days).

Average UV index in September
Dutch Bayou, LA

Average UV index in September - Dutch Bayou, 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).

Average cloud cover in September
Dutch Bayou, LA

Average cloud cover in September - Dutch Bayou, LA
  • Average cloud cover in September: 27

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 25).

Average visibility in September
Dutch Bayou, LA

Average visibility in September - Dutch 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).

Dutch Bayou, Louisiana, USA

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