Longboat Key Weather in September

With daytime temperatures of 31°C (88°F) and nighttime lows of 24°C (75°F), September in Longboat Key brings very high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 173 mm (6.8 in) falls on average.

Rainfall in Longboat Key in September

Rain is expected on roughly 19 days, totalling around 173 mm (6.8 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Longboat Key in September

If you're visiting Longboat Key in September, expect highs of 31°C (88°F) and overnight lows around 24°C (75°F). Mornings and evenings are often more comfortable than the peak afternoon hours. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.

Sunshine in Longboat Key in September

The month enjoys around 223 hours of sunshine, creating mostly sunny days with good weather conditions.

September in Longboat Key can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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• January
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• March
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• May
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• October
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For a detailed overview over the year and the best time to visit the United States of America, check out our Longboat Key's climate page.

Longboat Key Temperature in September

Min Temperature 24°C (75°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 63%  

Precipitation 173 mm (6.8 in)  

Rainy days 19 days  

Humidity 78% *  

Sunshine 223 hours *  

Percentage Sunshine 60% *  

* Data from: Tampa, the United States of America (62 KM, 38 Miles).

What to Wear in Longboat Key in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Longboat Key in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

8/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Longboat Key's climate page.

More climate data for Longboat Key

Temperature Rainfall Sunshine Humidity

See the full Longboat Key climate overview or explore weather in the United States of America.