September weather forecast
Bookertown, FL

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Weather in September

September, the first month of the autumn in Bookertown, is still a tropical month, with an average temperature ranging between max 88.3°F (31.3°C) and min 74.3°F (23.5°C).

Temperature

Bookertown's weather in September indicates an average high-temperature of a still hot 88.3°F (31.3°C), nearly consistent with the 91°F (32.8°C) of August. In September, the nighttime temperature lowers to an average of 74.3°F (23.5°C).

Heat index

The heat index value during September is calculated to be a blistering 105.8°F (41°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', joins air temperature with relative humidity to produce a temperature perception for humans. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

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

Rainfall

In Bookertown, during September, the rain falls for 20.6 days and regularly aggregates up to 3.62" (92mm) of precipitation. Throughout the year, there are 187.2 rainfall days, and 30.87" (784mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall.

Daylight

In Bookertown, Florida, the average length of the day in September is 12h and 19min.
On the first day of September, sunrise is at 7:03 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:11 pm EDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during September translates into the following guidance:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

Bookertown in September has an average high-temperature of 88.3°F (31.3°C) and an average low-temperature of 74.3°F (23.5°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 105.8°F (41°C).

What is the most humid month?

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

What is the average humidity in September?

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

How many days does it rain in September in Bookertown?

In Bookertown, in September, during 20.6 rainfall days, 3.62" (92mm) of precipitation is typically accumulated.

When it does not snow?

In Bookertown, snow does not fall in February through December.

What is the average length of the day in September?

In Bookertown, the average day length in September is 12h and 19min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:03 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:11 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.9h.

How high is the UV index in September?

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

Average temperature in September
Bookertown, FL

Average temperature in September - Bookertown, FL
  • Average high temperature in September: 88.3°F

The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (67.8°F).

  • Average low temperature in September: 74.3°F

The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (51.4°F).

Average pressure in September
Bookertown, FL

Average pressure in September - Bookertown, 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
Bookertown, FL

Average wind speed in September - Bookertown, FL
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).

Average humidity in September
Bookertown, FL

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

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

Average rainfall in September
Bookertown, FL

Average rainfall in September - Bookertown, FL
  • Average rainfall in September: 3.62"

The wettest month (with the highest rainfall) is August (4.84").
The driest month (with the least rainfall) is March (1.18").

Average rainfall days in September
Bookertown, FL

Average rainfall days in September - Bookertown, FL
  • Average rainfall days in September: 20.6 days

The month with the highest number of rainy days is August (24.1 days).
The month with the least rainy days is January (10.1 days).

Average snowfall in September
Bookertown, FL

Average snowfall in September - Bookertown, FL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Bookertown, FL

Average snowfall days in September - Bookertown, FL
  • Average snowfall days in September: 0 days

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

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

Average daylight in September / Average sunshine in September - Bookertown, 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: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

Average sunshine days in September
Bookertown, FL

Average sunshine days in September - Bookertown, FL
  • Average sunshine days in September: 6 days

The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is July (3.8 days).

Average UV index in September
Bookertown, FL

Average UV index in September - Bookertown, 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
Bookertown, FL

Average cloud cover in September - Bookertown, FL
  • Average cloud cover in September: 30

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

Average visibility in September
Bookertown, FL

Average visibility in September - Bookertown, 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).

Bookertown, Florida, USA

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