September weather forecastHarbor Oaks, FL
September
Weather in September
The first month of the autumn, September, is still a hot month in Harbor Oaks, Florida, with an average temperature ranging between max 86.4°F (30.2°C) and min 75.9°F (24.4°C).Temperature
In September, the average high-temperature registers at a still hot 86.4°F (30.2°C), nearly identical to August's 89.2°F (31.8°C). During September in Harbor Oaks, the average low-temperature is recorded at a moderately hot 75.9°F (24.4°C).Heat index
Throughout September, the heat index is appraised at a sweltering 98.6°F (37°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.
Humidity
The average relative humidity in September is 76%.Rainfall
In Harbor Oaks, during September, the rain falls for 19.7 days and regularly aggregates up to 4.21" (107mm) of precipitation. In Harbor Oaks, during the entire year, the rain falls for 186.5 days and collects up to 32.6" (828mm) of precipitation.Daylight
The average length of the day in September is 12h and 19min.On the first day of the month, sunrise is at 7:01 am and sunset at 7:45 pm. On the last day of September, in Harbor Oaks, Florida, sunrise is at 7:16 am and sunset at 7:10 pm EDT.
Sunshine
The average sunshine in September in Harbor Oaks is 8.8h.UV index
May through September, with an average maximum UV index of 7, are months with the highest UV index in Harbor Oaks, Florida. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: During September, 7 as the daily maximum UV index converts into the following advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Harbor Oaks, FL
- Average high temperature in September: 86.4°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is January (66.7°F).
- Average low temperature in September: 75.9°F
The month with the highest average low temperature is August (77.7°F).
The coldest month (with the lowest average low temperature) is January (54.1°F).
Average pressure in September
Harbor Oaks, FL
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in September
Harbor Oaks, FL
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
Harbor Oaks, FL
- Average humidity in September: 76%
The months with the highest relative humidity are July and August (77%).
The month with the lowest relative humidity is March (71%).
Average rainfall in September
Harbor Oaks, FL
- Average rainfall in September: 4.21"
The wettest month (with the highest rainfall) is August (4.96").
The driest month (with the least rainfall) is March (1.34").
Average rainfall days in September
Harbor Oaks, FL
- Average rainfall days in September: 19.7 days
The month with the highest number of rainy days is August (23.1 days).
The month with the least rainy days is December (10.5 days).
Average daylight in September /
Average sunshine in September
Harbor Oaks, FL
- Average daylight in September: 12h and 18min
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 48min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).
Average sunshine days in September
Harbor Oaks, FL
- Average sunshine days in September: 7.5 days
The month with the most sunshine days is March (17.5 days).
The month with the least sunshine days is August (5.6 days).
Average UV index in September
Harbor Oaks, 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
Harbor Oaks, FL
- Average cloud cover in September: 30
The months with the most cloud cover are January, February, November and December (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 27).
Average visibility in September
Harbor Oaks, 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).
