September weather forecast
South Bradenton, FL

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Weather in September

September, the first month of the autumn in South Bradenton, is also a hot month, with an average temperature fluctuating between 77.4°F (25.2°C) and 86.9°F (30.5°C).

Temperature

South Bradenton's weather in September displays an average high-temperature of a still hot 86.9°F (30.5°C), showing minor disparity from August's 88.5°F (31.4°C). An average temperature of 77.4°F (25.2°C) marks the nights in September.

Heat index

September's mean heat index is computed to be a torrid 100.4°F (38°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Always consider that heat index estimations are for light winds and places in the shade. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', arises from combining readings of air temperature and relative moisture content. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The average relative humidity in September in South Bradenton is 75%.

Rainfall

In South Bradenton, in September, during 23.5 rainfall days, 4.61" (117mm) of precipitation is typically accumulated. Throughout the year, there are 183.1 rainfall days, and 34.92" (887mm) of precipitation is accumulated.

Daylight

In South Bradenton, the average length of the day in September is 12h and 19min.
On the first day of September, sunrise is at 7:09 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:17 pm EDT.

Sunshine

In September, the average sunshine in South Bradenton, Florida, is 9h.

UV index

The months with the highest UV index in South Bradenton, Florida, are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

How hot is it in South Bradenton in September?

September temperatures vary between a high-temperature of 86.9°F (30.5°C) and a low-temperature of 77.4°F (25.2°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is computed to be 100.4°F (38°C).

What is the average humidity in September in South Bradenton?

The average relative humidity in September is 75%.

How much does it rain in South Bradenton in September?

In South Bradenton, Florida, in September, it is raining for 23.5 days, with typically 4.61" (117mm) of accumulated precipitation.

How many hours of daylight does South Bradenton have in September?

In September, the average day length in South Bradenton, Florida, is 12h and 19min.

What time are sunrise and sunset in September in South Bradenton?

On the first day of September in South Bradenton, Florida, sunrise is at 7:09 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:17 pm EDT.

How many hours of sunshine does South Bradenton have in September?

In South Bradenton, the average sunshine duration in September is 9h.

When is the highest UV index in South Bradenton?

The months with the highest UV index in South Bradenton, Florida, are May through September, with an average maximum UV index of 7.

What is the UV index intensity in September in South Bradenton?

In South Bradenton, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health threat 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
South Bradenton, FL

Average temperature in September - South Bradenton, FL
  • Average high temperature in September: 86.9°F

The warmest month (with the highest average high temperature) is August (88.5°F).
The month with the lowest average high temperature is January (68.5°F).

  • Average low temperature in September: 77.4°F

The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (56.1°F).

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Average pressure in September
South Bradenton, FL

Average pressure in September - South Bradenton, FL
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).

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Average wind speed in September
South Bradenton, FL

Average wind speed in September - South Bradenton, FL
  • Average wind speed in September: 7.2mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

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Average humidity in September
South Bradenton, FL

Average humidity in September - South Bradenton, FL
  • Average humidity in September: 75%

The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are March, April and May (72%).

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Average rainfall in September
South Bradenton, FL

Average rainfall in September - South Bradenton, FL
  • Average rainfall in September: 4.61"

The wettest month (with the highest rainfall) is August (6.42").
The driest months (with the least rainfall) are February and November (1.06").

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Average rainfall days in September
South Bradenton, FL

Average rainfall days in September - South Bradenton, FL
  • Average rainfall days in September: 23.5 days

The month with the highest number of rainy days is August (26.8 days).
The months with the least rainy days are January, February and November (8.3 days).

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Average daylight in September /
Average sunshine in September
South Bradenton, FL

Average daylight in September / Average sunshine in September - South Bradenton, 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 24min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in September
South Bradenton, FL

Average sunshine days in September - South Bradenton, FL
  • Average sunshine days in September: 4.5 days

The month with the most sunshine days is January (21.1 days).
The month with the least sunshine days is August (2.5 days).

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Average UV index in September
South Bradenton, FL

Average UV index in September - South Bradenton, 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 month with the lowest UV index is January (UV index 4).

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Average cloud cover in September
South Bradenton, FL

Average cloud cover in September - South Bradenton, FL
  • Average cloud cover in September: 28

The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 22).

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Average visibility in September
South Bradenton, FL

Average visibility in September - South Bradenton, 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).

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South Bradenton, Florida, USA

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