Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The unfolding of September shows an average high-temperature of a still hot 87.3°F (30.7°C), indicating a slight variance from August's 90.7°F (32.6°C). Alphenia Landing observes an average nighttime temperature of 68.2°F (20.1°C) during September.Heat index
During September, the heat index is estimated at a fiery hot 102.2°F (39°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. Elements such as metabolic variations, pregnancy, and physical exertion can influence 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 largely significant for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
In September, the average relative humidity is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 1.97" (50mm) of precipitation.Snowfall
In Alphenia Landing, snow does not fall in April through November.Daylight
In Alphenia Landing, the average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:59 am and sunset at 6:52 pm CDT.
Sunshine
In Alphenia Landing, the average sunshine in September is 9.6h.UV index
In Alphenia Landing, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 6 in September translates into this advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
How hot is it in Alphenia Landing in September?
What is the average humidity in September in Alphenia Landing?
What is the driest month in Alphenia Landing?
How much does it rain in Alphenia Landing in September?
When it does not snow in Alphenia Landing?
What is the average length of the day in September in Alphenia Landing?
When are sunrise and sunset in September in Alphenia Landing?
How many hours of sunshine does Alphenia Landing have in September?
How high is the UV index in September in Alphenia Landing?
Average temperature in September
Alphenia Landing, LA
- Average high temperature in September: 87.3°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55.4°F).
- Average low temperature in September: 68.2°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).
Average pressure in September
Alphenia Landing, 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
Alphenia Landing, LA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in September
Alphenia Landing, LA
- Average humidity in September: 76%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Alphenia Landing, LA
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is January (3.39").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
Alphenia Landing, LA
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is August (15.4 days).
The month with the least rainy days is October (8.6 days).
Average snowfall in September
Alphenia Landing, LA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Alphenia Landing, 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 and October (0 days).
Average daylight in September /
Average sunshine in September
Alphenia Landing, LA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
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 June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Alphenia Landing, LA
- Average sunshine days in September: 16 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in September
Alphenia Landing, 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).
Average cloud cover in September
Alphenia Landing, LA
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in September
Alphenia Landing, LA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
Alphenia Landing, Louisiana, USA
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