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Iguazu Falls weather in September 2025
Expect 25°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Iguazu Falls in September. Check more long-term weather averages for Iguazu Falls in September before you book your next holiday to Argentina in 2025/2026.
- 2525°C max day temperature
- 4 hours of sunshine per day
- 99 days with some rainfall
- 1313°C min night temperature
- 1212 hours of daylight per day
- LLow heat & humidity
- 134134 mm of monthly rainfall
- 99 (Very High) UV index
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Iguazu Falls by month
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Recommended for Argentina
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)
More about Argentina
How hot is it in Iguazu Falls in September?
Daytime temperatures usually reach 25°C in Iguazu Falls in September with low heat and humidity, falling to 13°C at night.
How sunny is it in Iguazu Falls in September?
There are normally 4 hours of bright sunshine each day in Iguazu Falls in September - that's 36% of daylight hours.
Does it rain in Iguazu Falls in September?
There are usually 9 days with some rain in Iguazu Falls in September and the average monthly rainfall is 134mm.
Iguazu Falls September sunrise & sunset times
Browse the sunrise and sunset times for Iguazu Falls in September 2025. Select a month to view Iguazu Falls sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 06:50 | 18:26 |
Monday, 15th September 2025 | 06:35 | 18:31 |
Tuesday, 30th September 2025 | 06:18 | 18:37 |
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