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Duck Key weather in September 2021
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- 3232°C max day temperature
- 1616 days with some rainfall
- 2323°C min night temperature
- 1212 hours of daylight per day
- VHVery High heat & humidity
- 210210 mm of monthly rainfall
- 1010 (Very High) UV index
- 2929°C sea temperature
Recommended for Florida
The September weather guide for Duck Key, 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.
How hot is it in Duck Key in September?
Daytime temperatures usually reach 32°C in Duck Key in September with very high heat and humidity, falling to 23°C at night.
How sunny is it in Duck Key in September?
There are normally 9 hours of bright sunshine each day in Duck Key in September - that's 72% of daylight hours.
How warm is the sea around Duck Key in September?
The average sea temperature around Duck Key in September is 29°C.
Does it rain in Duck Key in September?
There are usually 16 days with some rain in Duck Key in September and the average monthly rainfall is 210mm.
What is the chance of a hurricane in Duck Key in September?
On average less than 1 day in September in Duck Key is likely to be affected by the passage of one or more tropical storms.
Duck Key sunrise & sunset times for September 2021
Browse the sunrise & sunset times for Duck Key in September 2021. Select a month to view Duck Key sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Wednesday, 1st September 2021||07:05||19:42|
|Wednesday, 15th September 2021||07:10||19:27|
|Thursday, 30th September 2021||07:15||19:11|
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Metric (°C / mm) | Imperial (°F / inches)
Discover more about Florida
Where is hot in Florida in September for 2021/2022?
Below are average maximum temperatures at popular destinations in Florida in September. Select a destination to see more weather parameters.
- St Pete Beach
- Daytona Beach
- Fort Lauderdale
- Key West
- Panama City
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