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 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 shift into September uncovers an average high-temperature of a still tropical 87.3°F (30.7°C), subtly different from the previous month. During September, Ellisville experiences a consistent low-temperature average of 72°F (22.2°C).Heat index
The heat index value during September is appraised at a fiery hot 102.2°F (39°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.Remember that heat index calculations are made for conditions in the shade with light wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.
Humidity
The months with the highest humidity are August and September, with an average relative humidity of 78%.Rainfall
In Ellisville, Florida, during September, the rain falls for 16 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, there are 145.8 rainfall days, and 13.39" (340mm) of precipitation is accumulated.Daylight
In Ellisville, the average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 7:07 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:16 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the most humid month?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September in Ellisville?
When is the sunrise / sunset in September?
How many hours of sunshine does Ellisville have in September?
How high is the UV index in September in Ellisville?
Average temperature in September
Ellisville, FL
- Average high temperature in September: 87.3°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (63.5°F).
- Average low temperature in September: 72°F
The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (45.7°F).
Average pressure in September
Ellisville, FL
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in September
Ellisville, FL
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in September
Ellisville, FL
- Average humidity in September: 78%
The months with the highest relative humidity are August and September (78%).
The month with the lowest relative humidity is March (71%).
Average rainfall in September
Ellisville, FL
- Average rainfall in September: 0.87"
The wettest months (with the highest rainfall) are July and August (2.09").
The driest months (with the least rainfall) are March and November (0.55").
Average rainfall days in September
Ellisville, FL
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is November (6.3 days).
Average daylight in September /
Average sunshine in September
Ellisville, FL
- Average daylight in September: 12h and 2min
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: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Ellisville, FL
- Average sunshine days in September: 10.2 days
The month with the most sunshine days is January (22.1 days).
The month with the least sunshine days is July (6.3 days).
Average UV index in September
Ellisville, FL
- 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, February and December (UV index 4).
Average cloud cover in September
Ellisville, FL
- Average cloud cover in September: 33
The month with the most cloud cover is December (Cloud cover 38).
The months with the least cloud cover are May and October (Cloud cover 29).
Average visibility in September
Ellisville, FL
- 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).
Ellisville, Florida, USA
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