Kissimmee weather in September 2025

Expect daytime maximum temperatures of 90°F in Kissimmee, Florida in September and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 13 days with some rainfall and typically 6.1 inches of rainfall in the month.

  • 90°F maximum daytime temperature in September in Kissimmee90
    90°F max day temperature
  • 8 hours of sunshine per day
  • 13 days with some rainfall in September in Kissimmee13
    13 days with some rainfall
  • 72°F minimum night-time temperature in September in Kissimmee72
    72°F min night temperature
  • 12 hours of daylight per day in September in Kissimmee12
    12 hours of daylight per day
  • Very high heat & humidity in September in KissimmeeVH
    Very High heat & humidity
  • 6.1 inches monthly rainfall in September in Kissimmee6.1
    6.1 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Kissimmee10
    10 (Very High) UV index

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

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

How sunny is it in Kissimmee in September?

There are normally 8 hours of bright sunshine each day in Kissimmee in September - that's 63% of daylight hours.

Does it rain in Kissimmee in September?

There are usually 13 days with some rain in Kissimmee in September and the average monthly rainfall is 6.1 inches.

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

On average 1.2 days in September in Kissimmee are likely to be affected by the passage of one or more tropical storms.

Kissimmee September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:04 18:46
Monday, 15th September 2025 06:11 18:30
Tuesday, 30th September 2025 06:18 18:12

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