Captiva weather in September 2025

Expect 90°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Captiva in September. Check more long-term weather averages for Captiva in September before you book your next holiday to Florida in 2025/2026.

  • 90°F maximum daytime temperature in September in Captiva90
    90°F max day temperature
  • 8 hours of sunshine per day
  • 14 days with some rainfall in September in Captiva14
    14 days with some rainfall
  • 73°F minimum night-time temperature in September in Captiva73
    73°F min night temperature
  • 12 hours of daylight per day in September in Captiva12
    12 hours of daylight per day
  • Very high heat & humidity in September in CaptivaVH
    Very High heat & humidity
  • 7.8 inches monthly rainfall in September in Captiva7.8
    7.8 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Captiva10
    10 (Very High) UV index
  • 84°F sea temperature in September in Captiva84
    84°F sea temperature

More about Captiva

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The September weather guide for Florida (Captiva) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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More about Florida

How hot is it in Captiva in September?

Daytime temperatures usually reach 90°F in Captiva in September with very high heat and humidity, falling to 73°F at night.

How sunny is it in Captiva in September?

There are normally 8 hours of bright sunshine each day in Captiva in September - that's 67% of daylight hours.

How warm is the sea around Captiva in September?

The average sea temperature around Captiva in September is 84°F.

Does it rain in Captiva in September?

There are usually 14 days with some rain in Captiva in September and the average monthly rainfall is 7.8 inches.

What is the chance of a hurricane in Captiva in September?

On average 1.1 days in September in Captiva are likely to be affected by the passage of one or more tropical storms.

Captiva September sunrise & sunset times

Browse the sunrise and sunset times for Captiva in September 2025. Select a month to view Captiva sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:09 18:48
Monday, 15th September 2025 06:14 18:33
Tuesday, 30th September 2025 06:21 18:16

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