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
September's advent presents an average high-temperature of a still tropical 87.4°F (30.8°C), indicating a slight variation from the conditions of the previous month. During September, the average low-temperature in Rosella is a comfortable 67.8°F (19.9°C).Heat index
For September, the heat index is appraised at a sweltering 102.2°F (39°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
In September, the average relative humidity in Rosella, Mississippi, is 75%.Rainfall
In Rosella, in September, it is raining for 16.4 days, with typically 2.91" (74mm) of accumulated precipitation. Throughout the year, there are 175.1 rainfall days, and 38.9" (988mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In Rosella, the average length of the day in September is 12h and 21min.On the first day of September in Rosella, sunrise is at 6:36 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:46 pm CDT.
Sunshine
In September, the average sunshine in Rosella is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 5 suggests this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
How hot is it in Rosella in September?
What is the average humidity in September in Rosella?
How much does it rain in Rosella in September?
When it does not snow in Rosella?
How many hours of daylight does Rosella have in September?
What time are sunrise and sunset in September in Rosella?
How many hours of sunshine does Rosella have in September?
What is the UV index intensity in September in Rosella?
Average temperature in September
Rosella, MS
- Average high temperature in September: 87.4°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in September: 67.8°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in September
Rosella, MS
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Rosella, MS
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are February and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
Rosella, MS
- Average humidity in September: 75%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Rosella, MS
- Average rainfall in September: 2.91"
The wettest month (with the highest rainfall) is August (4.25").
The driest month (with the least rainfall) is November (2.4").
Average rainfall days in September
Rosella, MS
- Average rainfall days in September: 16.4 days
The month with the highest number of rainy days is August (21.6 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in September
Rosella, MS
- Average snowfall in September: 0"
The months with the highest snowfall are January and December (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Rosella, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.9 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
Rosella, MS
- 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in September
Rosella, MS
- Average sunshine days in September: 11.7 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (8.1 days).
Average UV index in September
Rosella, MS
- Average UV index in September: 5
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
Rosella, MS
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Rosella, MS
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Rosella, Mississippi, USA
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