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
Saint Delphine, Louisiana, experiences a minor change to a still tropical 87.3°F (30.7°C) in average high-temperature during September, closely reflecting August. Throughout the month of September, the average temperature dips to an agreeable 70.3°F (21.3°C) at night.Heat index
The heat index in September is calculated to be an extremely hot 104°F (40°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Metrics for the heat index primarily focus on shaded spots and light wind conditions. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', determines the feeling of heat when you account for the relative humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. 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 great significance to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.
Humidity
In September, the average relative humidity in Saint Delphine is 79%.Rainfall
In September, the rain falls for 16 days. Throughout September, 1.18" (30mm) of precipitation is accumulated. Throughout the year, in Saint Delphine, Louisiana, there are 148.6 rainfall days, and 15.51" (394mm) of precipitation is accumulated.Snowfall
In Saint Delphine, Louisiana, snow does not fall in February through December.Daylight
In September, the average length of the day in Saint Delphine, Louisiana, is 12h and 20min.On the first day of September in Saint Delphine, sunrise is at 6:42 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.
Sunshine
In September, the average sunshine is 9.7h.UV index
In Saint Delphine, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 6 in September translates into this advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
How hot is September in Saint Delphine?
What is the average humidity in September in Saint Delphine?
How much does it rain in Saint Delphine in September?
When it does not snow in Saint Delphine?
How many hours of daylight does Saint Delphine have in September?
When are sunrise and sunset in September in Saint Delphine?
How many hours of sunshine does Saint Delphine have in September?
What is the UV index intensity in September in Saint Delphine?
Average temperature in September
Saint Delphine, LA
- Average high temperature in September: 87.3°F
The warmest months (with the highest average high temperature) are July and August (91.2°F).
The month with the lowest average high temperature is January (59°F).
- Average low temperature in September: 70.3°F
The month with the highest average low temperature is August (74.5°F).
The coldest month (with the lowest average low temperature) is January (43.5°F).
Average pressure in September
Saint Delphine, 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
Saint Delphine, LA
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Saint Delphine, LA
- Average humidity in September: 79%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Saint Delphine, LA
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is March (0.67").
Average rainfall days in September
Saint Delphine, LA
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is August (20.9 days).
The month with the least rainy days is November (7.1 days).
Average snowfall in September
Saint Delphine, LA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.08").
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
Saint Delphine, 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 February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Saint Delphine, 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 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
Saint Delphine, LA
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is November (21.4 days).
The months with the least sunshine days are July and August (7.3 days).
Average UV index in September
Saint Delphine, 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
Saint Delphine, LA
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in September
Saint Delphine, LA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, June, October, November and December (6mi).
The months with the lowest visibility are March, April, May, July, August and September (5mi).
Saint Delphine, Louisiana, USA
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