September weather forecast
Live Oak, FL

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Weather in September

September, the first month of the autumn in Live Oak, is still a hot month, with an average temperature varying between 87.8°F (31°C) and 70.7°F (21.5°C).

Temperature

Stepping into September, Live Oak records an average high-temperature of a still hot 87.8°F (31°C), almost consistent with August. In Live Oak, the expected average low-temperature for September is a pleasant 70.7°F (21.5°C).

Heat index

September's mean heat index is calculated to be a blisteringly hot 104°F (40°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

August, September and December, with an average relative humidity of 77%, are the most humid months.

Rainfall

In Live Oak, Florida, during September, the rain falls for 19.5 days and regularly aggregates up to 3.03" (77mm) of precipitation. Throughout the year, there are 173.6 rainfall days, and 31.3" (795mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall.

Daylight

In September, the average length of the day is 12h and 20min.
On the first day of the month, sunrise is at 7:09 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:18 pm EDT.

Sunshine

The average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 6 in September transforms into the following instructions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

In September, in Live Oak, the average high-temperature is 87.8°F (31°C), and the average low-temperature is 70.7°F (21.5°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 104°F (40°C).

What are the most humid months?

The months with the highest humidity are August, September and December, with an average relative humidity of 77%.

What is the average humidity in September in Live Oak?

In Live Oak, the average relative humidity in September is 77%.

How many days does it rain in September?

In Live Oak, in September, during 19.5 rainfall days, 3.03" (77mm) of precipitation is typically accumulated.

When it does not snow?

In Live Oak, snow does not fall in January, March through December.

How many hours of daylight does Live Oak have in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:09 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:18 pm EDT.

How many hours of sunshine does Live Oak have in September?

In Live Oak, the average sunshine duration in September is 8.5h.

What is the UV index reading in September?

The average daily maximum UV index in September in Live Oak, Florida, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Live Oak, FL

Average temperature in September - Live Oak, FL
  • Average high temperature in September: 87.8°F

The warmest months (with the highest average high temperature) are July and August (91.2°F).
The month with the lowest average high temperature is January (62.2°F).

  • Average low temperature in September: 70.7°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

Average pressure in September
Live Oak, FL

Average pressure in September - Live Oak, FL
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).

Average wind speed in September
Live Oak, FL

Average wind speed in September - Live Oak, FL
  • Average wind speed in September: 5mph

The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in September
Live Oak, FL

Average humidity in September - Live Oak, FL
  • Average humidity in September: 77%

The months with the highest relative humidity are August, September and December (77%).
The month with the lowest relative humidity is May (70%).

Average rainfall in September
Live Oak, FL

Average rainfall in September - Live Oak, FL
  • Average rainfall in September: 3.03"

The wettest month (with the highest rainfall) is August (4.57").
The driest month (with the least rainfall) is November (1.14").

Average rainfall days in September
Live Oak, FL

Average rainfall days in September - Live Oak, FL
  • Average rainfall days in September: 19.5 days

The month with the highest number of rainy days is August (25.5 days).
The month with the least rainy days is November (7.2 days).

Average snowfall days in September
Live Oak, FL

Average snowfall days in September - Live Oak, FL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Live Oak, FL

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

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 3min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

Average sunshine days in September
Live Oak, FL

Average sunshine days in September - Live Oak, FL
  • Average sunshine days in September: 8.9 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (4.3 days).

Average UV index in September
Live Oak, FL

Average UV index in September - Live Oak, 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 3).

Average cloud cover in September
Live Oak, FL

Average cloud cover in September - Live Oak, FL
  • Average cloud cover in September: 34

The month with the most cloud cover is December (Cloud cover 40).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in September
Live Oak, FL

Average visibility in September - Live Oak, FL
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (6mi).
The month with the lowest visibility is September (5mi).

Live Oak, Florida, USA

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