September weather forecast
Tarpon Springs, FL

Share
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 also a hot month, with an average temperature ranging between max 86.7°F (30.4°C) and min 77.5°F (25.3°C).

Temperature

Tarpon Springs's weather in September indicates an average high-temperature of a still hot 86.7°F (30.4°C), nearly consistent with the 88.3°F (31.3°C) of August. The low-temperature averages to a warm 77.5°F (25.3°C) during the nights of September.

Heat index

For September, the heat index is appraised at a fiery hot 98.6°F (37°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
The heat index's values are generally associated with conditions in shade and light 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 'felt air temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

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

Rainfall

In Tarpon Springs, in September, during 15.7 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, in Tarpon Springs, there are 120.5 rainfall days, and 9.45" (240mm) of precipitation is accumulated.

Ocean temperature

In September, the average ocean temperature is 84.6°F (29.2°C).
Note: With water temperature from 77°F (25°C) to 84.2°F (29°C), all water activities are comfortable and delightful, devoid of discomfort even for lengthened 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 7:51 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:17 pm EDT.

Sunshine

The average sunshine in September is 9.2h.

UV index

The months with the highest UV index in Tarpon Springs are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 7 during September translates into the following directions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take caution! The UV rays from the Sun gain strength from sand and water reflections.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Tarpon Springs in September?

The high-temperature, in September, in Tarpon Springs, is 86.7°F (30.4°C), while the low-temperature averages to 77.5°F (25.3°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is appraised at 98.6°F (37°C).

What is the average humidity in September in Tarpon Springs?

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

How much does it rain in Tarpon Springs in September?

In Tarpon Springs, Florida, in September, it is raining for 15.7 days, with typically 0.71" (18mm) of accumulated precipitation.

What is the ocean temperature in September in Tarpon Springs?

In Tarpon Springs, in September, the average water temperature is 84.6°F (29.2°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 Tarpon Springs?

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

When is the sunrise / sunset in September in Tarpon Springs?

In September, on the first day of the month, sunrise is at 7:09 am and sunset at 7:51 pm. On the last day of the month, in Tarpon Springs, sunrise is at 7:23 am and sunset at 7:17 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 is the month 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.

How high is the UV index in September in Tarpon Springs?

The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.

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).

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).

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).

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%).

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").

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).

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).

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).

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).

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).

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).

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).

Tarpon Springs, Florida, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location