September weather forecastIndialantic, FL
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Indialantic, Florida, with an average temperature fluctuating between 84.7°F (29.3°C) and 77.7°F (25.4°C).Temperature
As Indialantic welcomes September, the average high-temperature is noted at a moderately hot 84.7°F (29.3°C), closely aligning with the preceding month. Indialantic registers a subtle dip to an average of 77.7°F (25.4°C) during the nights of September.Heat index
During September, the heat index is computed to be a very hot 95°F (35°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.Take note of the fact that heat index values are based on shaded circumstances with light airflows. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. 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 essentially critical for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
In Indialantic, the average relative humidity in September is 78%.Rainfall
In Indialantic, in September, during 23.5 rainfall days, 4.92" (125mm) of precipitation is typically accumulated. In Indialantic, Florida, during the entire year, the rain falls for 197.1 days and collects up to 35.98" (914mm) of precipitation.Ocean temperature
In Indialantic, the average seawater temperature in September is 84°F (28.9°C).Note: In any water activity, temperatures between 77°F (25°C) and 84.2°F (29°C) are viewed as magnificent and exceptionally pleasant for prolonged enjoyment.
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 7:42 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:09 pm EDT.
Sunshine
In September, the average sunshine in Indialantic is 9h.UV index
May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, a regular UV index of 7 translates into these guidelines:
Shield from overexposure. Defense against sun-related harm is required. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Indialantic, FL
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is August (86.7°F).
The month with the lowest average high temperature is January (69.3°F).
- Average low temperature in September: 77.7°F
The month with the highest average low temperature is August (79.3°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).
Average pressure in September
Indialantic, 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
Indialantic, FL
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is November (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in September
Indialantic, FL
- Average humidity in September: 78%
The months with the highest relative humidity are June, July and August (79%).
The month with the lowest relative humidity is March (72%).
Average rainfall in September
Indialantic, FL
- Average rainfall in September: 4.92"
The wettest month (with the highest rainfall) is August (6.85").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in September
Indialantic, FL
- Average rainfall days in September: 23.5 days
The month with the highest number of rainy days is August (25.5 days).
The month with the least rainy days is February (9.9 days).
Average sea temperature in September
Indialantic, FL
- Average sea temperature in September: 84.1°F
The best month for swimming (with the highest average sea temperature) is August (84.7°F).
The coldest month (with the lowest average sea temperature) is January (71.4°F).
Average daylight in September /
Average sunshine in September
Indialantic, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Indialantic, FL
- Average sunshine days in September: 4.3 days
The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in September
Indialantic, 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 months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in September
Indialantic, FL
- Average cloud cover in September: 30
The month with the most cloud cover is November (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 26).
Average visibility in September
Indialantic, 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).
