Sanibel
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Sanibel Weather in September

September in Sanibel brings very high temperatures, with daytime highs of 32°C (90°F) and nights around 24°C (75°F). It's part of the rainy season, with 191 mm (7.5 in) of rainfall on average, so an umbrella or poncho is a good idea.

Rainfall in Sanibel in September

As part of the rainy season, Sanibel sees around 22 days of rain in September, with an average of 191 mm (7.5 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.

Temperature in Sanibel in September

In September, expect very high temperatures in Sanibel, with highs of 32°C (90°F) and lows of 24°C (75°F) at night. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. 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.

September in Sanibel 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.

Sanibel Temperature in September

Min Temperature
24°C (75°F)
Max Temperature
32°C (90°F)
Chance of Rain
74%
Precipitation
191 mm (7.5 in)
Rainy days
22 days

Sanibel Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Sanibel - and find the best time to visit.

Best Places in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Sanibel 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!

What To Do in Sanibel in September

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

  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Sanibel 3-Day Forecast

More climate data for Sanibel

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.