September weather forecast
Sarasota, FL

Share
The palmy bay in Sarasota, Florida, USA, with tall buildings across the water
The palmy bay in Sarasota, Florida, USA, with tall buildings across the water

Weather in September

Sarasota's September weather rings in slight changes as summer slowly starts to recede, paving the way for milder autumn. Daylight hours progressively shorten to 12.3 hours a day, indicating the near arrival of shorter autumn days. Despite declining temperatures, September remains predominantly warm, reminding of the recently receded summer. The rainfall received in September eases down to 4.61", dispersed over 23.5 days, which shows a decline from the record August rainfall. The weather in Sarasota during September remains pleasantly mild, painting a perfect picture with a balance of warm temperatures and moderate rainfall.

Temperature

The onset of September in Sarasota manifests an average high-temperature of a still tropical 86.9°F, demonstrating a minor variation from the preceding month. Nighttime temperatures in Sarasota consistently average a warm 77.4°F during September.

Heat index

The heat index for September is computed to be a torrid 100.4°F. Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

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

Rainfall

In Sarasota, in September, during 23.5 rainfall days, 4.61" of precipitation is typically accumulated. Throughout the year, in Sarasota, there are 183.1 rainfall days, and 34.92" of precipitation is accumulated.

Ocean temperature

In Sarasota, the average seawater temperature in September is 84.7°F.
Note: Water temperature between 77°F and 84.2°F provides warmth and pleasure, making water activities enjoyable for lengthened periods without feeling uncomfortable.

Daylight

In September, the average length of the day in Sarasota 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 7:22 am and sunset at 7:17 pm EDT.

Sunshine

The average sunshine in September is 9h.

UV index

The months with the highest UV index in Sarasota are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A typical high UV index of 7 in September suggests the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
[Resources]

Frequently asked questions

Is it hot in Sarasota during September?

During September, Sarasota experiences an average high-temperature of 86.9°F and a low-temperature of 77.4°F. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in September is computed to be 100.4°F.

What is the average humidity in September in Sarasota?

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

How much does it rain in Sarasota in September?

In September, in Sarasota, Florida, the rain falls for 23.5 days. Throughout September, 4.61" of precipitation is accumulated.

How warm is the water in September in Sarasota?

In Sarasota, Florida, in September, the average water temperature is 84.7°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.

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

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

When are sunrise and sunset in September in Sarasota?

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 Sarasota, sunrise is at 7:22 am and sunset at 7:17 pm EDT.

How long on average sun shines in September in Sarasota?

In Sarasota, Florida, the average sunshine duration in September is 9h.

What is the month with the highest UV index in Sarasota?

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

How high is the UV index in September in Sarasota?

In September, the average daily maximum UV index in Sarasota, Florida, is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to 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
Sarasota, FL

Average temperature in September - Sarasota, 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).

[Resources]

Average pressure in September
Sarasota, FL

Average pressure in September - Sarasota, 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).

[Resources]

Average wind speed in September
Sarasota, FL

Average wind speed in September - Sarasota, 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).

[Resources]

Average humidity in September
Sarasota, FL

Average humidity in September - Sarasota, 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%).

[Resources]

Average rainfall in September
Sarasota, FL

Average rainfall in September - Sarasota, 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").

[Resources]

Average rainfall days in September
Sarasota, FL

Average rainfall days in September - Sarasota, 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).

[Resources]

Average sea temperature in September
Sarasota, FL

Average sea temperature in September - Sarasota, FL
  • Average sea temperature in September: 84.8°F

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64.1°F).

[Resources]

Average daylight in September /
Average sunshine in September
Sarasota, FL

Average daylight in September / Average sunshine in September - Sarasota, 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 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).

[Resources]

Average sunshine days in September
Sarasota, FL

Average sunshine days in September - Sarasota, 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).

[Resources]

Average UV index in September
Sarasota, FL

Average UV index in September - Sarasota, 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).

[Resources]

Average cloud cover in September
Sarasota, FL

Average cloud cover in September - Sarasota, 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).

[Resources]

Average visibility in September
Sarasota, FL

Average visibility in September - Sarasota, 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).

[Resources]

Sarasota, Florida, USA

Weather forecast for your location

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