September weather forecastFort De Soto, FL
September
Weather in September
September, the first month of the autumn in Fort De Soto, is still a hot month, with an average temperature varying between 77.9°F (25.5°C) and 86.2°F (30.1°C).Temperature
As Fort De Soto steps into September, the average high-temperature is measured at a still hot 86.2°F (30.1°C), displaying minor differences from August's 87.4°F (30.8°C). A mean low-temperature of 77.9°F (25.5°C) is anticipated during the month of September, a slight step down from the daytime high.Heat index
During September, the heat index is estimated at a torrid 98.6°F (37°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Be aware that heat index ratings are designed for shaded locations and minor breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important 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.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.
Humidity
In September, the average relative humidity is 75%.Rainfall
In Fort De Soto, in September, during 21.5 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. Throughout the year, there are 166.4 rainfall days, and 26.38" (670mm) of precipitation is accumulated.Daylight
In Fort De Soto, Florida, the average length of the day in September is 12h and 19min.On the first day of the month, sunrise is at 7:10 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:17 pm EDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, an average UV index of 7 transforms into the following instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fort De Soto, FL
- Average high temperature in September: 86.2°F
The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is January (66.9°F).
- Average low temperature in September: 77.9°F
The month with the highest average low temperature is August (80.4°F).
The coldest month (with the lowest average low temperature) is January (56.8°F).
Average pressure in September
Fort De Soto, FL
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in September
Fort De Soto, FL
- Average wind speed in September: 8.2mph
The windiest month (with the highest average wind speed) is November (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in September
Fort De Soto, FL
- Average humidity in September: 75%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Fort De Soto, FL
- Average rainfall in September: 3.43"
The wettest month (with the highest rainfall) is July (4.88").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in September
Fort De Soto, FL
- Average rainfall days in September: 21.5 days
The months with the highest number of rainy days are July and August (24.6 days).
The month with the least rainy days is January (7.3 days).
Average daylight in September /
Average sunshine in September
Fort De Soto, 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: 9h and 6min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in September
Fort De Soto, FL
- Average sunshine days in September: 6 days
The month with the most sunshine days is January (22.6 days).
The months with the least sunshine days are July and August (4.8 days).
Average UV index in September
Fort De Soto, FL
- Average UV index in September: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in September
Fort De Soto, FL
- Average cloud cover in September: 27
The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 21).
Average visibility in September
Fort De Soto, 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).
