Clearwater weather in September 2025

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

  • 90°F maximum daytime temperature in September in Clearwater90
    90°F max day temperature
  • 8 hours of sunshine per day
  • 12 days with some rainfall in September in Clearwater12
    12 days with some rainfall
  • 72°F minimum night-time temperature in September in Clearwater72
    72°F min night temperature
  • 12 hours of daylight per day in September in Clearwater12
    12 hours of daylight per day
  • Very high heat & humidity in September in ClearwaterVH
    Very High heat & humidity
  • 6.7 inches monthly rainfall in September in Clearwater6.7
    6.7 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Clearwater10
    10 (Very High) UV index
  • 84°F sea temperature in September in Clearwater84
    84°F sea temperature

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The September weather guide for Florida (Clearwater) 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 Clearwater in September?

Daytime temperatures usually reach 90°F in Clearwater in September with very high heat and humidity, falling to 72°F at night.

How sunny is it in Clearwater in September?

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

How warm is the sea around Clearwater in September?

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

Does it rain in Clearwater in September?

There are usually 12 days with some rain in Clearwater in September and the average monthly rainfall is 6.7 inches.

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

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

Clearwater September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:10 18:52
Monday, 15th September 2025 06:16 18:36
Tuesday, 30th September 2025 06:24 18:18

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