September weather forecast
Alsen, LA

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Weather in September

September, the first month of the autumn in Alsen, is still a hot month, with an average temperature fluctuating between 88°F (31.1°C) and 70°F (21.1°C).

Temperature

Alsen greets September with an average high-temperature of a still hot 88°F (31.1°C), marking a slight deviation from the preceding month. September's nights observe an average temperature of 70°F (21.1°C).

Heat index

The heat index value for September is estimated at a blistering 105.8°F (41°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

In Alsen, Louisiana, the average relative humidity in September is 78%.

Rainfall

In Alsen, during September, the rain falls for 17.6 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Alsen, during the entire year, the rain falls for 177.1 days and collects up to 36.1" (917mm) of precipitation.

Snowfall

February through November are months without snowfall in Alsen.

Daylight

In Alsen, the average length of the day in September 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 6:50 pm CDT.

Sunshine

In September, the average sunshine is 9.5h.

UV index

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 6 translates into these guidelines:
Shield from overexposure. Defense against sun-related harm is required. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Frequently asked questions

Is it hot during September?

In September, in Alsen, the average high-temperature is 88°F (31.1°C), and the average low-temperature is 70°F (21.1°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 105.8°F (41°C).

What is the average humidity in September in Alsen?

The average relative humidity in September is 78%.

How much does it rain in September?

In Alsen, during September, the rain falls for 17.6 days and regularly aggregates up to 2.95" (75mm) of precipitation.

When it does not snow?

February through November are months without snowfall.

What is the average length of the day in September?

The average day length in September is 12h and 20min.

When are sunrise and sunset in September?

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 6:50 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 9.5h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to 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
Alsen, LA

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

The warmest months (with the highest average high temperature) are July and August (91.9°F).
The month with the lowest average high temperature is January (58.6°F).

  • Average low temperature in September: 70°F

The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).

Average pressure in September
Alsen, LA

Average pressure in September - Alsen, 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 and August (29.96"Hg).

Average wind speed in September
Alsen, LA

Average wind speed in September - Alsen, LA
  • Average wind speed in September: 4.6mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).

Average humidity in September
Alsen, LA

Average humidity in September - Alsen, LA
  • Average humidity in September: 78%

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

Average rainfall in September
Alsen, LA

Average rainfall in September - Alsen, LA
  • Average rainfall in September: 2.95"

The wettest month (with the highest rainfall) is July (4.72").
The driest month (with the least rainfall) is November (1.77").

Average rainfall days in September
Alsen, LA

Average rainfall days in September - Alsen, LA
  • Average rainfall days in September: 17.6 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in September
Alsen, LA

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

The month with the highest snowfall is January (0.28").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Alsen, LA

Average snowfall days in September - Alsen, 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
Alsen, LA

Average daylight in September / Average sunshine in September - Alsen, 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
Alsen, LA

Average sunshine days in September - Alsen, LA
  • Average sunshine days in September: 10.4 days

The month with the most sunshine days is November (19.6 days).
The months with the least sunshine days are July and August (7.3 days).

Average UV index in September
Alsen, LA

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

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

Average cloud cover in September
Alsen, LA

Average cloud cover in September - Alsen, LA
  • Average cloud cover in September: 34

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in September
Alsen, LA

Average visibility in September - Alsen, 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).

Alsen, Louisiana, USA

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