Fernandina Beach weather in September 2025

Expect 86°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Fernandina Beach in September. Check more long-term weather averages for Fernandina Beach in September before you book your next holiday to Florida in 2025/2026.

  • 86°F maximum daytime temperature in September in Fernandina Beach86
    86°F max day temperature
  • 8 hours of sunshine per day
  • 12 days with some rainfall in September in Fernandina Beach12
    12 days with some rainfall
  • 72°F minimum night-time temperature in September in Fernandina Beach72
    72°F min night temperature
  • 12 hours of daylight per day in September in Fernandina Beach12
    12 hours of daylight per day
  • High heat & humidity in September in Fernandina BeachH
    High heat & humidity
  • 6.9 inches monthly rainfall in September in Fernandina Beach6.9
    6.9 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Fernandina Beach9
    9 (Very High) UV index
  • 82°F sea temperature in September in Fernandina Beach82
    82°F sea temperature

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The September weather guide for Florida (Fernandina Beach) 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 Fernandina Beach in September?

Daytime temperatures usually reach 86°F in Fernandina Beach in September with high heat and humidity, falling to 72°F at night.

How sunny is it in Fernandina Beach in September?

There are normally 8 hours of bright sunshine each day in Fernandina Beach in September - that's 61% of daylight hours.

How warm is the sea around Fernandina Beach in September?

The average sea temperature around Fernandina Beach in September is 82°F.

Does it rain in Fernandina Beach in September?

There are usually 12 days with some rain in Fernandina Beach in September and the average monthly rainfall is 6.9 inches.

What is the chance of a hurricane in Fernandina Beach in September?

On average 1.3 days in September in Fernandina Beach are likely to be affected by the passage of one or more tropical storms.

Fernandina Beach September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:02 18:48
Monday, 15th September 2025 06:10 18:31
Tuesday, 30th September 2025 06:19 18:12

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