Florianopolis weather in September 2025

Expect 21°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Florianopolis in September. Check more long-term weather averages for Florianopolis in September before you book your next holiday to Brazil in 2025/2026.

  • 21°C maximum daytime temperature in September in Florianopolis21
    21°C max day temperature
  • 4 hours of sunshine per day
  • 19 days with some rainfall in September in Florianopolis19
    19 days with some rainfall
  • 15°C minimum night-time temperature in September in Florianopolis15
    15°C min night temperature
  • 12 hours of daylight per day in September in Florianopolis12
    12 hours of daylight per day
  • No heat & humidity in September in Florianopolis0
    No heat & humidity
  • 123 mm monthly rainfall in September in Florianopolis123
    123 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Florianopolis8
    8 (Very High) UV index
  • 18°C sea temperature in September in Florianopolis18
    18°C sea temperature

More about Florianopolis

Florianopolis by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Brazil

Travelbag: Latest holiday sale offers worldwide

  • Explore latest sale offers on holidays in 2025/2026
  • Filter deals by continent, star rating & holiday type
  • Including Dubai, Caribbean, North America, Asia & Pacific
Go to Travelbag deal >>

View all Travelbag offers

TravelbagHoliday deal finder

The September weather guide for Brazil (Florianopolis) 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)

Back to top

More about Brazil

How hot is it in Florianopolis in September?

Daytime temperatures usually reach 21°C in Florianopolis in September, falling to 15°C at night.

How sunny is it in Florianopolis in September?

There are normally 4 hours of bright sunshine each day in Florianopolis in September - that's 35% of daylight hours.

How warm is the sea around Florianopolis in September?

The average sea temperature around Florianopolis in September is 18°C.

Does it rain in Florianopolis in September?

There are usually 19 days with some rain in Florianopolis in September and the average monthly rainfall is 123mm.

Florianopolis September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:27 18:01
Monday, 15th September 2025 06:12 18:07
Tuesday, 30th September 2025 05:54 18:14

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^