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 sea temperature 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
D'Iberville starts September with an average high-temperature of a still tropical 86.4°F (30.2°C), a minor shift from August's 89.8°F (32.1°C). During September, the average low-temperature in D'Iberville is a moderately hot 73.9°F (23.3°C).Heat index
During September, the heat index is calculated to be a fiery hot 98.6°F (37°C). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.Heat index data is primarily for areas with shade and subjected to light winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are primarily vital for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
In September, the average relative humidity in D'Iberville is 74%.Rainfall
In D'Iberville, in September, it is raining for 19.1 days, with typically 4.53" (115mm) of accumulated precipitation. Throughout the year, there are 177.4 rainfall days, and 39.96" (1015mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall in D'Iberville.Ocean temperature
In September, the average ocean temperature is 83.1°F (28.4°C).Note: Swimming, diving, and other water activities in temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are highly enjoyable and provide prolonged comfort without unease.
Daylight
The average length of the day in September in D'Iberville is 12h and 20min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:18 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:41 pm CDT.
Sunshine
The average sunshine in September in D'Iberville, Mississippi, is 9.7h.UV index
In D'Iberville, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Notice! Sand and water reflections contribute to a stronger UV exposure.
Frequently asked questions
How hot is it in D'Iberville in September?
What is the average humidity in September in D'Iberville?
How much does it rain in D'Iberville in September?
When it does not snow in D'Iberville?
How warm is the water in September in D'Iberville?
How many hours of daylight does D'Iberville have in September?
When are sunrise and sunset in September in D'Iberville?
How long on average sun shines in September in D'Iberville?
What is the UV index reading in September in D'Iberville?
Average temperature in September
D'Iberville, MS
- Average high temperature in September: 86.4°F
The warmest months (with the highest average high temperature) are July and August (89.8°F).
The month with the lowest average high temperature is January (59°F).
- Average low temperature in September: 73.9°F
The months with the highest average low temperature are July and August (77.7°F).
The coldest month (with the lowest average low temperature) is January (45.9°F).
Average pressure in September
D'Iberville, MS
- 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, August and September (29.97"Hg).
Average wind speed in September
D'Iberville, MS
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in September
D'Iberville, MS
- Average humidity in September: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
D'Iberville, MS
- Average rainfall in September: 4.53"
The wettest month (with the highest rainfall) is August (6.38").
The driest month (with the least rainfall) is November (1.54").
Average rainfall days in September
D'Iberville, MS
- Average rainfall days in September: 19.1 days
The month with the highest number of rainy days is August (24.2 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in September
D'Iberville, MS
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.35").
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
D'Iberville, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in September
D'Iberville, MS
- Average sea temperature in September: 83.1°F
The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is January (56.5°F).
Average daylight in September /
Average sunshine in September
D'Iberville, MS
- 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: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
D'Iberville, MS
- Average sunshine days in September: 9 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (4.9 days).
Average UV index in September
D'Iberville, MS
- 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 4).
Average cloud cover in September
D'Iberville, MS
- Average cloud cover in September: 27
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 23).
Average visibility in September
D'Iberville, MS
- 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).
D'Iberville, Mississippi, USA
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