September weather forecast
Bostwick, FL

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Weather in September

The first month of the autumn, September, is also a hot month in Bostwick, Florida, with an average temperature fluctuating between 88.5°F (31.4°C) and 73°F (22.8°C).

Temperature

Entering September, Bostwick's average high-temperature reads a still tropical 88.5°F (31.4°C), indicating a close resemblance to the previous month's climate. September brings an average low-temperature of 73°F (22.8°C) to Bostwick.

Heat index

The heat index in September is computed to be a blisteringly hot 105.8°F (41°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

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

Rainfall

In Bostwick, in September, it is raining for 15.2 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, there are 138.3 rainfall days, and 12.76" (324mm) of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 20min.
On the first day of the month, sunrise is at 7:04 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:12 pm EDT.

Sunshine

In Bostwick, the average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September in Bostwick is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A typical high UV index of 6 in September suggests the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Bostwick in September?

In Bostwick, in September, the average high-temperature is 88.5°F (31.4°C), and the average low-temperature is 73°F (22.8°C). In September, 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, is computed to be 105.8°F (41°C).

What are the most humid months in Bostwick?

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

What is the average humidity in September in Bostwick?

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

How much does it rain in Bostwick in September?

In September, in Bostwick, the rain falls for 15.2 days. Throughout September, 1.18" (30mm) of precipitation is accumulated.

When it does not snow in Bostwick?

In Bostwick, Florida, snow does not fall in February through December.

What is the average length of the day in September in Bostwick?

In Bostwick, the average day length in September is 12h and 20min.

When is the sunrise / sunset in September in Bostwick?

On the first day of September in Bostwick, Florida, sunrise is at 7:04 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:12 pm EDT.

How long on average sun shines in September in Bostwick?

The average sunshine duration in September is 8.5h.

What is the UV index reading in September in Bostwick?

In September, the average daily maximum UV index in Bostwick, Florida, is 6. A UV Index estimate 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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bostwick, FL

Average temperature in September - Bostwick, FL
  • Average high temperature in September: 88.5°F

The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is January (65.8°F).

  • Average low temperature in September: 73°F

The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (48.2°F).

Average pressure in September
Bostwick, FL

Average pressure in September - Bostwick, 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
Bostwick, FL

Average wind speed in September - Bostwick, FL
  • Average wind speed in September: 4.6mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

Average humidity in September
Bostwick, FL

Average humidity in September - Bostwick, 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 March (70%).

Average rainfall in September
Bostwick, FL

Average rainfall in September - Bostwick, FL
  • Average rainfall in September: 1.18"

The wettest month (with the highest rainfall) is July (2.09").
The driest month (with the least rainfall) is March (0.47").

Average rainfall days in September
Bostwick, FL

Average rainfall days in September - Bostwick, FL
  • Average rainfall days in September: 15.2 days

The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is November (6.7 days).

Average snowfall days in September
Bostwick, FL

Average snowfall days in September - Bostwick, 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
Bostwick, FL

Average daylight in September / Average sunshine in September - Bostwick, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

Average sunshine days in September
Bostwick, FL

Average sunshine days in September - Bostwick, FL
  • Average sunshine days in September: 12.1 days

The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is June (9.3 days).

Average UV index in September
Bostwick, FL

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

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

Average cloud cover in September
Bostwick, FL

Average cloud cover in September - Bostwick, FL
  • Average cloud cover in September: 33

The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are May and July (Cloud cover 30).

Average visibility in September
Bostwick, FL

Average visibility in September - Bostwick, 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).

Bostwick, Florida, USA

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