September weather forecast
Port Hudson, LA

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Weather in September

September, the first month of the autumn in Port Hudson, is still a hot month, with an average temperature varying between 87.8°F (31°C) and 69.3°F (20.7°C).

Temperature

Port Hudson's September showcases an average high-temperature of a still hot 87.8°F (31°C), hardly distinct from August's 91.8°F (33.2°C). In September, the temperature drops to an average of 69.3°F (20.7°C) at night.

Heat index

During September, the heat index is evaluated at an extremely hot 104°F (40°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Port Hudson, in September, it is raining for 17.7 days, with typically 2.28" (58mm) of accumulated precipitation. In Port Hudson, during the entire year, the rain falls for 175 days and collects up to 28.74" (730mm) of precipitation.

Snowfall

February through November are months without snowfall in Port Hudson.

Daylight

In September, the average length of the day is 12h and 20min.
On the first day of the month, sunrise is at 6:41 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:51 pm CDT.

Sunshine

In September, the average sunshine in Port Hudson is 9.5h.

UV index

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 6 during September translates into the following directions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

How hot is September?

In September, in Port Hudson, the average high-temperature is 87.8°F (31°C), and the average low-temperature is 69.3°F (20.7°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in September is evaluated at 104°F (40°C).

What is the average humidity in September?

In Port Hudson, the average relative humidity in September is 78%.

How much does it rain in September?

In Port Hudson, during September, the rain falls for 17.7 days and regularly aggregates up to 2.28" (58mm) of precipitation.

When it does not snow?

February through November are months without snowfall.

How many hours of daylight does Port Hudson have in September?

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

What time are sunrise and sunset in September in Port Hudson?

In September, on the first day of the month, sunrise is at 6:41 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:51 pm CDT.

How long on average sun shines in September in Port Hudson?

The average sunshine duration in September is 9.5h.

What is the UV index reading in September?

In Port Hudson, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Port Hudson, LA

Average temperature in September - Port Hudson, LA
  • Average high temperature in September: 87.8°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (58.3°F).

  • Average low temperature in September: 69.3°F

The month with the highest average low temperature is August (73.4°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).

Average pressure in September
Port Hudson, LA

Average pressure in September - Port Hudson, LA
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).

Average wind speed in September
Port Hudson, LA

Average wind speed in September - Port Hudson, LA
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).

Average humidity in September
Port Hudson, LA

Average humidity in September - Port Hudson, LA
  • Average humidity in September: 78%

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Port Hudson, LA

Average rainfall in September - Port Hudson, LA
  • Average rainfall in September: 2.28"

The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is November (1.5").

Average rainfall days in September
Port Hudson, LA

Average rainfall days in September - Port Hudson, LA
  • Average rainfall days in September: 17.7 days

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in September
Port Hudson, LA

Average snowfall in September - Port Hudson, LA
  • Average snowfall in September: 0"

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

Average snowfall days in September
Port Hudson, LA

Average snowfall days in September - Port Hudson, LA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Port Hudson, LA

Average daylight in September / Average sunshine in September - Port Hudson, 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in September
Port Hudson, LA

Average sunshine days in September - Port Hudson, LA
  • Average sunshine days in September: 9.9 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (6.8 days).

Average UV index in September
Port Hudson, LA

Average UV index in September - Port Hudson, LA
  • Average UV index in September: 6

The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in September
Port Hudson, LA

Average cloud cover in September - Port Hudson, LA
  • Average cloud cover in September: 33

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in September
Port Hudson, LA

Average visibility in September - Port Hudson, LA
  • Average visibility in September: 5mi

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

Port Hudson, Louisiana, USA

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