Florence weather in September 2025

Expect 30°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Florence in September. Check more long-term weather averages for Florence in September before you book your next holiday to South Carolina in 2025/2026.

  • 30°C maximum daytime temperature in September in Florence30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Florence8
    8 days with some rainfall
  • 17°C minimum night-time temperature in September in Florence17
    17°C min night temperature
  • 12 hours of daylight per day in September in Florence12
    12 hours of daylight per day
  • Moderate heat & humidity in September in FlorenceM
    Moderate heat & humidity
  • 94 mm monthly rainfall in September in Florence94
    94 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Florence8
    8 (Very High) UV index

More about Florence

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The September weather guide for South Carolina (Florence) 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 the USA

How hot is it in Florence in September?

Daytime temperatures usually reach 30°C in Florence in September with moderate heat and humidity, falling to 17°C at night.

How sunny is it in Florence in September?

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

Does it rain in Florence in September?

There are usually 8 days with some rain in Florence in September and the average monthly rainfall is 94mm.

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

On average 1 day in September in Florence is likely to be affected by the passage of one or more tropical storms.

Florence September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:53 18:45
Monday, 15th September 2025 06:02 18:25
Tuesday, 30th September 2025 06:13 18:04

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