Iguazu Falls weather in September 2026

Expect daytime maximum temperatures of 25°C in Iguazu Falls, Argentina in September based on long-term weather averages. There are 4 hours of sunshine per day on average with typically 134 mm of rainfall in the month.

  • 25°C maximum daytime temperature in September in Iguazu Falls25
    25°C max day temperature
  • 4 hours of sunshine per day
  • 9 days with some rainfall in September in Iguazu Falls9
    9 days with some rainfall
  • 13°C minimum night-time temperature in September in Iguazu Falls13
    13°C min night temperature
  • 12 hours of daylight per day in September in Iguazu Falls12
    12 hours of daylight per day
  • Low heat & humidity in September in Iguazu FallsL
    Low heat & humidity
  • 134 mm monthly rainfall in September in Iguazu Falls134
    134 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Iguazu Falls9
    9 (Very High) UV index

More about Iguazu Falls

Iguazu Falls by month

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

Recommended for Argentina

Wendy Wu Tours: Top deals on South America

  • Book tours to Argentina, Bolivia, Brazil & Chile
  • Plus Ecuador (including the Galapagos), Peru & Uruguay
  • Fully ABTA & ATOL protected escorted tours
Go to Wendy Wu Tours deal >>

View all Wendy Wu Tours offers

The September weather guide for Argentina (Iguazu Falls) 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 Argentina

How hot is it in Iguazu Falls in September?

Daytime temperatures usually reach 19°C in Iguazu Falls in September, falling to 10°C at night.

How sunny is it in Iguazu Falls in September?

There are normally 6 hours of bright sunshine each day in Iguazu Falls in September - that's 54% of daylight hours.

How warm is the sea around Iguazu Falls in September?

The average sea temperature around Iguazu Falls in September is 15°C.

Does it rain in Iguazu Falls in September?

There are usually 7 days with some rain in Iguazu Falls in September and the average monthly rainfall is 69mm.

Iguazu Falls September sunrise & sunset times

Browse the sunrise and sunset times for Iguazu Falls in September 2026. Select a month to view Iguazu Falls sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 06:50 18:26
Tuesday, 15th September 2026 06:35 18:31
Wednesday, 30th September 2026 06:19 18:37

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^