September weather forecast
Seabreeze, FL

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Weather in September

The first month of the autumn, September, is still a tropical month in Seabreeze, Florida, with an average temperature fluctuating between 86.2°F (30.1°C) and 75.9°F (24.4°C).

Temperature

The average high-temperature during September registers at a still hot 86.2°F (30.1°C), closely corresponding to the preceding month. During the nights in September, the temperature averages to a moderately hot 75.9°F (24.4°C).

Heat index

The average heat index in September is estimated at a very hot 98.6°F (37°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

The months with the highest humidity are July through September, with an average relative humidity of 77%.

Rainfall

In Seabreeze, during September, the rain falls for 22.1 days and regularly aggregates up to 4.96" (126mm) of precipitation. Throughout the year, there are 196 rainfall days, and 37.91" (963mm) of precipitation is accumulated.

Daylight

In Seabreeze, the average length of the day in September is 12h and 20min.
On the first day of September, sunrise is at 7:02 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:10 pm EDT.

Sunshine

In Seabreeze, the average sunshine in September is 8.8h.

UV index

In Seabreeze, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 6 during September translates into the following directions:
Resist extreme sun exposure. Guarding against solar damage is essential. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Seabreeze during September?

In September, the average high-temperature and low-temperature are 86.2°F (30.1°C) and 75.9°F (24.4°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 98.6°F (37°C).

What are the most humid months?

The months with the highest humidity are July through September, with an average relative humidity of 77%.

What is the average humidity in September?

In September, the average relative humidity is 77%.

How many days does it rain in September?

In September, the rain falls for 22.1 days. Throughout September, 4.96" (126mm) of precipitation is accumulated.

How many hours of daylight does Seabreeze have in September?

The average day length in September is 12h and 20min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:02 am and sunset at 7:45 pm. On the last day of the month, in Seabreeze, sunrise is at 7:17 am and sunset at 7:10 pm EDT.

How long on average sun shines in September in Seabreeze?

In Seabreeze, the average sunshine duration in September is 8.8h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Seabreeze, FL

Average temperature in September - Seabreeze, FL
  • Average high temperature in September: 86.2°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 (66.4°F).

  • Average low temperature in September: 75.9°F

The month with the highest average low temperature is August (78.1°F).
The coldest month (with the lowest average low temperature) is January (54.1°F).

Average pressure in September
Seabreeze, FL

Average pressure in September - Seabreeze, 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
Seabreeze, FL

Average wind speed in September - Seabreeze, FL
  • Average wind speed in September: 7mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

Average humidity in September
Seabreeze, FL

Average humidity in September - Seabreeze, FL
  • Average humidity in September: 77%

The months with the highest relative humidity are July, August and September (77%).
The month with the lowest relative humidity is March (71%).

Average rainfall in September
Seabreeze, FL

Average rainfall in September - Seabreeze, FL
  • Average rainfall in September: 4.96"

The wettest month (with the highest rainfall) is August (6.1").
The driest month (with the least rainfall) is March (1.42").

Average rainfall days in September
Seabreeze, FL

Average rainfall days in September - Seabreeze, FL
  • Average rainfall days in September: 22.1 days

The month with the highest number of rainy days is August (26.1 days).
The months with the least rainy days are February and December (11 days).

Average daylight in September /
Average sunshine in September
Seabreeze, FL

Average daylight in September / Average sunshine in September - Seabreeze, FL
  • Average daylight in September: 12h and 2min

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 5min

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: 6h and 0min).

Average sunshine days in September
Seabreeze, FL

Average sunshine days in September - Seabreeze, FL
  • Average sunshine days in September: 5.2 days

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is August (2.8 days).

Average UV index in September
Seabreeze, FL

Average UV index in September - Seabreeze, FL
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).

Average cloud cover in September
Seabreeze, FL

Average cloud cover in September - Seabreeze, FL
  • Average cloud cover in September: 29

The month with the most cloud cover is December (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 27).

Average visibility in September
Seabreeze, FL

Average visibility in September - Seabreeze, 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).

Seabreeze, Florida, USA

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