September weather forecast
Three Oaks, FL

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Weather in September

September, the first month of the autumn in Three Oaks, is still a hot month, with an average temperature ranging between min 76.6°F (24.8°C) and max 87.6°F (30.9°C).

Temperature

September's commencement is accompanied by an average high-temperature of a still tropical 87.6°F (30.9°C), diverging marginally from August's 90°F (32.2°C). The nighttime temperature, during September, averages of 76.6°F (24.8°C).

Heat index

During September, the heat index is evaluated at a blistering 104°F (40°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Heat index values are typically calculated for conditions of shade and a light breeze. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The most humid month is September, with an average relative humidity of 77%.

Rainfall

In Three Oaks, in September, it is raining for 23.5 days, with typically 3.43" (87mm) of accumulated precipitation. Throughout the year, there are 170 rainfall days, and 23.82" (605mm) of precipitation is accumulated.

Daylight

The average length of the day in September in Three Oaks is 12h and 18min.
On the first day of the month, sunrise is at 7:07 am and sunset at 7:46 pm. On the last day of September, in Three Oaks, Florida, sunrise is at 7:19 am and sunset at 7:14 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 reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 7 during September translates into the following directions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

The high-temperature, in September, in Three Oaks, records 87.6°F (30.9°C), while the low-temperature is 76.6°F (24.8°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is evaluated at 104°F (40°C).

What is the most humid month?

September is the most humid month, with an average relative humidity of 77%.

What is the average humidity in September in Three Oaks?

In September, the average relative humidity is 77%.

How much does it rain in September?

In Three Oaks, in September, during 23.5 rainfall days, 3.43" (87mm) of precipitation is typically accumulated.

What is the average length of the day in September?

In Three Oaks, the average day length in September is 12h and 18min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 7:07 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:14 pm EDT.

How many hours of sunshine does Three Oaks have in September?

In Three Oaks, the average sunshine duration in September is 9.1h.

What are the months with the highest UV index?

May through September, with an average maximum UV index of 7, are months with the highest UV index in Three Oaks.

What is the UV index reading in September?

In September, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Three Oaks, FL

Average temperature in September - Three Oaks, FL
  • Average high temperature in September: 87.6°F

The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (71.2°F).

  • Average low temperature in September: 76.6°F

The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (56.1°F).

Average pressure in September
Three Oaks, FL

Average pressure in September - Three Oaks, FL
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).

Average wind speed in September
Three Oaks, FL

Average wind speed in September - Three Oaks, FL
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is October (7.8mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).

Average humidity in September
Three Oaks, FL

Average humidity in September - Three Oaks, FL
  • Average humidity in September: 77%

The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is March (70%).

Average rainfall in September
Three Oaks, FL

Average rainfall in September - Three Oaks, FL
  • Average rainfall in September: 3.43"

The wettest month (with the highest rainfall) is August (5.12").
The driest month (with the least rainfall) is February (0.55").

Average rainfall days in September
Three Oaks, FL

Average rainfall days in September - Three Oaks, FL
  • Average rainfall days in September: 23.5 days

The month with the highest number of rainy days is August (25 days).
The month with the least rainy days is January (6.3 days).

Average daylight in September /
Average sunshine in September
Three Oaks, FL

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

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in September: 9h and 1min

The months with the most sunshine are May and July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in September
Three Oaks, FL

Average sunshine days in September - Three Oaks, FL
  • Average sunshine days in September: 4.9 days

The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is August (4.1 days).

Average UV index in September
Three Oaks, FL

Average UV index in September - Three 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 months with the lowest UV index are January, February and December (UV index 5).

Average cloud cover in September
Three Oaks, FL

Average cloud cover in September - Three Oaks, FL
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 24).

Average visibility in September
Three Oaks, FL

Average visibility in September - Three 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).

Three Oaks, Florida, USA

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