Key Largo weather in September 2020

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  • 32°C maximum daytime temperature in September in Key Largo32
    32°C max day temperature
  • 9 hours of sunshine per day
  • 17 days with some rainfall in September in Key Largo17
    17 days with some rainfall
  • 23°C minimum night-time temperature in September in Key Largo23
    23°C min night temperature
  • 12 hours of daylight per day in September in Key Largo12
    12 hours of daylight per day
  • Very high heat & humidity in September in Key LargoVH
    Very High heat & humidity
  • 213 mm monthly rainfall in September in Key Largo213
    213 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Key Largo10
    10 (Very High) UV index
  • 29°C sea temperature in September in Key Largo29
    29°C sea temperature
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The September weather guide for Key Largo, Florida 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.

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How hot is it in Key Largo in September?

Daytime temperatures usually reach 32°C in Key Largo in September with very high heat and humidity, falling to 23°C at night.

How sunny is it in Key Largo in September?

There are normally 9 hours of bright sunshine each day in Key Largo in September - that's 69% of daylight hours.

How warm is the sea around Key Largo in September?

The average sea temperature around Key Largo in September is 29°C.

Does it rain in Key Largo in September?

There are usually 17 days with some rain in Key Largo in September and the average monthly rainfall is 213mm.

What is the chance of a hurricane in Key Largo in September?

On average less than 1 day in September in Key Largo is likely to be affected by the passage of one or more tropical storms.

Key Largo sunrise & sunset times for September 2020

Browse the sunrise & sunset times for Key Largo in September 2020. Select a month to view Key Largo sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2020 07:03 19:40
Tuesday, 15th September 2020 07:08 19:25
Wednesday, 30th September 2020 07:14 19:09
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in Florida in September for 2020/2021?

Below are average maximum temperatures at popular destinations in Florida in September. Select a destination to see more weather parameters.

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