St Pete Beach weather in September 2025

Expect 32°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in St Pete Beach in September. Check more long-term weather averages for St Pete Beach in September before you book your next holiday to Florida in 2025/2026.

  • 32°C maximum daytime temperature in September in St Pete Beach32
    32°C max day temperature
  • 8 hours of sunshine per day
  • 12 days with some rainfall in September in St Pete Beach12
    12 days with some rainfall
  • 23°C minimum night-time temperature in September in St Pete Beach23
    23°C min night temperature
  • 12 hours of daylight per day in September in St Pete Beach12
    12 hours of daylight per day
  • Very high heat & humidity in September in St Pete BeachVH
    Very High heat & humidity
  • 165 mm monthly rainfall in September in St Pete Beach165
    165 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in St Pete Beach10
    10 (Very High) UV index
  • 29°C sea temperature in September in St Pete Beach29
    29°C sea temperature

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The September weather guide for Florida (St Pete 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 / mm)  |  Imperial (°F / inches)

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More about Florida

How hot is it in St Pete Beach in September?

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

How sunny is it in St Pete Beach in September?

There are normally 8 hours of bright sunshine each day in St Pete Beach in September - that's 62% of daylight hours.

How warm is the sea around St Pete Beach in September?

The average sea temperature around St Pete Beach in September is 29°C.

Does it rain in St Pete Beach in September?

There are usually 12 days with some rain in St Pete Beach in September and the average monthly rainfall is 165mm.

What is the chance of a hurricane in St Pete Beach in September?

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

St Pete Beach September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:10 18:51
Monday, 15th September 2025 06:16 18:35
Tuesday, 30th September 2025 06:23 18:18

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