September weather forecastEllerslie, FL
September
Weather in September
The first month of the autumn, September, is also a hot month in Ellerslie, Florida, with an average temperature fluctuating between 88.2°F (31.2°C) and 73.8°F (23.2°C).Temperature
Ellerslie's shift from August to September is accompanied by an average high-temperature of a still tropical 88.2°F (31.2°C), a slight deviation from 90.1°F (32.3°C). During the nights in September, Ellerslie experiences a consistent average temperature of 73.8°F (23.2°C).Heat index
The average heat index in September is evaluated at an extremely hot 105.8°F (41°C). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical 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.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
August and September, with an average relative humidity of 79%, are the most humid months in Ellerslie.Rainfall
In Ellerslie, during September, the rain falls for 24.4 days and regularly aggregates up to 4.45" (113mm) of precipitation. Throughout the year, there are 200.6 rainfall days, and 40.39" (1026mm) of precipitation is accumulated.Snowfall
In Ellerslie, snow does not fall in February through December.Daylight
In September, the average length of the day is 12h and 19min.On the first day of the month, sunrise is at 7:07 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:15 pm EDT.
Sunshine
In Ellerslie, the average sunshine in September is 8.9h.UV index
The months with the highest UV index are May through July and September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 7 during September leads to these advisories:
Resist extreme sun exposure. Guarding against solar damage is essential. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ellerslie, FL
- Average high temperature in September: 88.2°F
The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (67.6°F).
- Average low temperature in September: 73.8°F
The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is January (50.2°F).
Average pressure in September
Ellerslie, FL
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in September
Ellerslie, FL
- Average wind speed in September: 4.9mph
The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in September
Ellerslie, FL
- Average humidity in September: 79%
The months with the highest relative humidity are August and September (79%).
The month with the lowest relative humidity is March (72%).
Average rainfall in September
Ellerslie, FL
- Average rainfall in September: 4.45"
The wettest month (with the highest rainfall) is August (7.17").
The driest months (with the least rainfall) are February, March and November (1.42").
Average rainfall days in September
Ellerslie, FL
- Average rainfall days in September: 24.4 days
The month with the highest number of rainy days is August (28.8 days).
The month with the least rainy days is December (9.5 days).
Average snowfall days in September
Ellerslie, FL
- 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
Ellerslie, FL
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Ellerslie, FL
- Average sunshine days in September: 3.8 days
The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is August (0.8 days).
Average UV index in September
Ellerslie, FL
- Average UV index in September: 7
The months with the highest UV index are May, June, July and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in September
Ellerslie, FL
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 35).
The month with the least cloud cover is May (Cloud cover 27).
Average visibility in September
Ellerslie, 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).
