September weather forecastMorgan City, LA
September
Weather in September
A sigh of relief accompanies the arrival of September in Morgan City, Louisiana. The weather begins to lean towards fall, officially bringing an end to the summer heatwaves. However, the city still experiences average highs soaring up to 86.4°F (30.2°C). September brings a different kind of beauty to the city, adorned in shades of autumn. Despite the remaining warmth, the anticipation of dropping temperatures builds up.Temperature
Morgan City notes an average high-temperature of a still hot 86.4°F (30.2°C) in September, displaying minor variation from August. Morgan City's average low-temperature during September nights is observed to be an agreeable 73°F (22.8°C).Heat index
In September, the average heat index is evaluated at a sweltering 100.4°F (38°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.When assessing, remember that heat index measurements are for light winds and shaded spots. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
In September, the average relative humidity in Morgan City is 78%.Rainfall
In September, the rain falls for 14 days. Throughout September, 1.1" (28mm) of precipitation is accumulated. In Morgan City, during the entire year, the rain falls for 128.6 days and collects up to 13.27" (337mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
In Morgan City, the average length of the day in September is 12h and 20min.On the first day of September, sunrise is at 6:42 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:51 pm CDT.
Sunshine
The average sunshine in September is 10.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Morgan City, LA
- Average high temperature in September: 86.4°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (60.1°F).
- Average low temperature in September: 73°F
The month with the highest average low temperature is August (77.2°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).
Average pressure in September
Morgan City, LA
- Average pressure in September: 29.96"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 (29.96"Hg).
Average wind speed in September
Morgan City, LA
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Morgan City, 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 (74%).
Average rainfall in September
Morgan City, LA
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is March (0.43").
Average rainfall days in September
Morgan City, LA
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is August (20 days).
The month with the least rainy days is November (6 days).
Average snowfall days in September
Morgan City, LA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 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
Morgan City, LA
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in September: 10h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Morgan City, LA
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is November (23 days).
The month with the least sunshine days is August (6.9 days).
Average UV index in September
Morgan City, LA
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Morgan City, LA
- Average cloud cover in September: 25
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 23).
Average visibility in September
Morgan City, 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).
