September weather forecast
Punta Rassa, FL

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Weather in September

The first month of the autumn, September, is still a hot month in Punta Rassa, Florida, with an average temperature ranging between max 86.5°F (30.3°C) and min 79.2°F (26.2°C).

Temperature

With the transition into September, Punta Rassa notes an average high-temperature of a still hot 86.5°F (30.3°C), closely resembling August. Punta Rassa documents an average low-temperature of 79.2°F (26.2°C) for the nights of September.

Heat index

Throughout September, the heat index is appraised at a very hot 98.6°F (37°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In Punta Rassa, the average relative humidity in September is 75%.

Rainfall

In September, the rain falls for 25.3 days. Throughout September, 6.18" (157mm) of precipitation is accumulated. Throughout the year, there are 190.9 rainfall days, and 41.73" (1060mm) of precipitation is accumulated.

Ocean temperature

In Punta Rassa, the average seawater temperature in September is 85.3°F (29.6°C).
Note: Surface water temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are considered superb and highly pleasant for water activities over extended periods.

Daylight

In September, the average length of the day is 12h and 18min.
On the first day of September, sunrise is at 7:08 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:15 pm EDT.

Sunshine

The average sunshine in September 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 threat to health from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Watch out! Reflections from sand and water can surge UV radiation exposure.
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Frequently asked questions

Is it hot in Punta Rassa during September?

In Punta Rassa, 86.5°F (30.3°C) is the average high-temperature and 79.2°F (26.2°C) is the average low-temperature during September. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 98.6°F (37°C).

What is the average humidity in September in Punta Rassa?

The average relative humidity in September is 75%.

How many days does it rain in September in Punta Rassa?

In September, the rain falls for 25.3 days. Throughout September, 6.18" (157mm) of precipitation is accumulated.

How warm is the water in September in Punta Rassa?

In Punta Rassa, in September, the average water temperature is 85.3°F (29.6°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in September in Punta Rassa?

The average day length in September in Punta Rassa, Florida, is 12h and 18min.

When is the sunrise / sunset in September in Punta Rassa?

In September, on the first day of the month, sunrise is at 7:08 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:15 pm EDT.

How many hours of sunshine does Punta Rassa have in September?

In Punta Rassa, the average sunshine duration in September is 9.1h.

What is the month with the highest UV index in Punta Rassa?

The months with the highest UV index in Punta Rassa are May through September, with an average maximum UV index of 7.

What is the UV index reading in September in Punta Rassa?

In Punta Rassa, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in September
Punta Rassa, FL

Average temperature in September - Punta Rassa, FL
  • Average high temperature in September: 86.5°F

The warmest month (with the highest average high temperature) is August (88°F).
The month with the lowest average high temperature is January (69.8°F).

  • Average low temperature in September: 79.2°F

The month with the highest average low temperature is August (81.1°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).

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Average pressure in September
Punta Rassa, FL

Average pressure in September - Punta Rassa, 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).

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Average wind speed in September
Punta Rassa, FL

Average wind speed in September - Punta Rassa, FL
  • Average wind speed in September: 7.9mph

The windiest months (with the highest average wind speed) are October and November (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

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Average humidity in September
Punta Rassa, FL

Average humidity in September - Punta Rassa, FL
  • Average humidity in September: 75%

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are March, May, July, August and October (73%).

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Average rainfall in September
Punta Rassa, FL

Average rainfall in September - Punta Rassa, FL
  • Average rainfall in September: 6.18"

The wettest month (with the highest rainfall) is August (8.54").
The driest month (with the least rainfall) is February (1.06").

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Average rainfall days in September
Punta Rassa, FL

Average rainfall days in September - Punta Rassa, FL
  • Average rainfall days in September: 25.3 days

The month with the highest number of rainy days is August (27.3 days).
The month with the least rainy days is February (8.2 days).

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Average sea temperature in September
Punta Rassa, FL

Average sea temperature in September - Punta Rassa, FL
  • Average sea temperature in September: 85.4°F

The best month for swimming (with the highest average sea temperature) is August (87.1°F).
The coldest month (with the lowest average sea temperature) is January (65.3°F).

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Average daylight in September /
Average sunshine in September
Punta Rassa, FL

Average daylight in September / Average sunshine in September - Punta Rassa, 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 month with the most sunshine is May (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in September
Punta Rassa, FL

Average sunshine days in September - Punta Rassa, FL
  • Average sunshine days in September: 3 days

The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is August (2.3 days).

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Average UV index in September
Punta Rassa, FL

Average UV index in September - Punta Rassa, 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 and February (UV index 5).

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Average cloud cover in September
Punta Rassa, FL

Average cloud cover in September - Punta Rassa, FL
  • Average cloud cover in September: 28

The month with the most cloud cover is January (Cloud cover 29).
The months with the least cloud cover are March and May (Cloud cover 23).

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Average visibility in September
Punta Rassa, FL

Average visibility in September - Punta Rassa, 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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Punta Rassa, Florida, USA

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