September weather forecast
Tarpon Springs, FL

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Numerous boats docked on the shores of Tarpon Springs in Florida and the dramatic colorful sky above
Numerous boats docked on the shores of Tarpon Springs in Florida and the dramatic colorful sky above

Weather in September

September, the first month of the autumn in Tarpon Springs, is still a tropical month, with an average temperature ranging between max 86.7°F and min 77.5°F.

Temperature

The arrival of September coincides with an average high-temperature of a still tropical 86.7°F, indicating a minimal shift from August's 88.3°F. Throughout September, Tarpon Springs encounters an average temperature drop to a moderately hot 77.5°F.

Heat index

September's mean heat index is computed to be a sweltering 98.6°F. Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In Tarpon Springs, the average relative humidity in September is 75%.

Rainfall

In Tarpon Springs, Florida, in September, during 15.7 rainfall days, 0.71" of precipitation is typically accumulated. Throughout the year, there are 120.5 rainfall days, and 9.45" of precipitation is accumulated.

Ocean temperature

In Tarpon Springs, in September, the average water temperature is 84.6°F.
Note: Water activities in temperatures ranging from 77°F to 84.2°F are pleasurable, without feeling uncomfortable even during extended periods.

Daylight

In Tarpon Springs, the average length of the day in September is 12h and 19min.
On the first day of the month, sunrise is at 7:09 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:18 pm EDT.

Sunshine

In September, the average sunshine in Tarpon Springs, Florida, is 9.2h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index in Tarpon Springs. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Stay aware! UV radiation is magnified when reflecting off sand and water.
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FAQ

How hot is it in Tarpon Springs in September?

An average high-temperature, in September, in Tarpon Springs, is 86.7°F and the average low-temperature is 77.5°F. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is computed to be 98.6°F.

What is the average humidity in September in Tarpon Springs?

In Tarpon Springs, Florida, the average relative humidity in September is 75%.

How many days does it rain in September in Tarpon Springs?

In Tarpon Springs, Florida, in September, it is raining for 15.7 days, with typically 0.71" of accumulated precipitation.

How warm is the water in September in Tarpon Springs?

In Tarpon Springs, Florida, the average seawater temperature in September is 84.6°F. Water temperature between 77°F and 84.2°F is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Tarpon Springs have in September?

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

What time are sunrise and sunset in September in Tarpon Springs?

On the first day of September in Tarpon Springs, Florida, sunrise is at 7:09 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:18 pm EDT.

How many hours of sunshine does Tarpon Springs have in September?

The average sunshine duration in September in Tarpon Springs, Florida, is 9.2h.

What are the months with the highest UV index in Tarpon Springs?

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

What is the UV index intensity in September in Tarpon Springs?

In Tarpon Springs, Florida, 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 the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Tarpon Springs, FL

Average temperature in September - Tarpon Springs, FL
  • Average high temperature in September: 86.7°F

The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is January (66°F).

  • Average low temperature in September: 77.5°F

The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (54.5°F).

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Average pressure in September
Tarpon Springs, FL

Average pressure in September - Tarpon Springs, FL
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

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Average wind speed in September
Tarpon Springs, FL

Average wind speed in September - Tarpon Springs, FL
  • Average wind speed in September: 7.3mph

The windiest months (with the highest average wind speed) are January, March and April (8.9mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in September
Tarpon Springs, FL

Average humidity in September - Tarpon Springs, FL
  • Average humidity in September: 75%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is May (72%).

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Average rainfall in September
Tarpon Springs, FL

Average rainfall in September - Tarpon Springs, FL
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is March (0.2").

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Average rainfall days in September
Tarpon Springs, FL

Average rainfall days in September - Tarpon Springs, FL
  • Average rainfall days in September: 15.7 days

The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is November (5.5 days).

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Average sea temperature in September
Tarpon Springs, FL

Average sea temperature in September - Tarpon Springs, FL
  • Average sea temperature in September: 84.4°F

The best month for swimming (with the highest average sea temperature) is August (86.6°F).
The coldest month (with the lowest average sea temperature) is January (61.1°F).

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Average daylight in September /
Average sunshine in September
Tarpon Springs, FL

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

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is May (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in September
Tarpon Springs, FL

Average sunshine days in September - Tarpon Springs, FL
  • Average sunshine days in September: 10.6 days

The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is July (6.7 days).

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Average UV index in September
Tarpon Springs, FL

Average UV index in September - Tarpon Springs, 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
Tarpon Springs, FL

Average cloud cover in September - Tarpon Springs, FL
  • Average cloud cover in September: 26

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 20).

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Average visibility in September
Tarpon Springs, FL

Average visibility in September - Tarpon Springs, 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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Tarpon Springs, Florida, USA

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