September weather forecastEsto, FL
September
Weather in September
The first month of the autumn, September, is also a hot month in Esto, Florida, with temperature in the range of an average low of 69.6°F (20.9°C) and an average high of 86.9°F (30.5°C).Temperature
The average high-temperature in September, at a still tropical 86.9°F (30.5°C), reveals a modest deviation from August's 90.1°F (32.3°C). An average low-temperature of 69.6°F (20.9°C) is common during the nights of September.Heat index
During September, the heat index is computed to be a very hot 100.4°F (38°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.Heat index details are generally centered around shaded locations and a mild breeze. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.
Humidity
In Esto, the average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 8.6 days and accumulates 0.28" (7mm) of precipitation.Daylight
In September, the average length of the day is 12h and 20min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:05 pm. On the last day of September, sunrise is at 6:36 am and sunset at 6:28 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index in Esto, Florida, is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 6 turns into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Esto, FL
- Average high temperature in September: 86.9°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 (58.8°F).
- Average low temperature in September: 69.6°F
The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in September
Esto, FL
- Average pressure in September: 29.98"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 (29.98"Hg).
Average wind speed in September
Esto, FL
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Esto, FL
- Average humidity in September: 75%
The months with the highest relative humidity are August and December (76%).
The months with the lowest relative humidity are May and October (70%).
Average rainfall in September
Esto, FL
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is August (0.98").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in September
Esto, FL
- Average rainfall days in September: 8.6 days
The months with the highest number of rainy days are July and August (13.3 days).
The month with the least rainy days is November (4.7 days).
Average daylight in September /
Average sunshine in September
Esto, FL
- Average daylight in September: 12h and 18min
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: 8h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Esto, FL
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is November (24.4 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in September
Esto, 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 and December (UV index 3).
Average cloud cover in September
Esto, FL
- Average cloud cover in September: 29
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 26).
Average visibility in September
Esto, 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).





