Florida weather in September 2025
Expect daytime maximum temperatures of 31°C in Florida, USA in September and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 17 days with some rainfall and typically 178 mm of rainfall in the month.
- 31°C max day temperature
31 - 9 hours of sunshine per day
- 17 days with some rainfall
17 - 25°C min night temperature
25 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 178 mm of monthly rainfall
178 - 10 (Very High) UV index
10 - 29°C sea temperature
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