turismo ·
Weather in Foz do Iguaçu (11-17 Sep): rain 2 days, low 9°C
Marco Três newsroom · edited by Annie GrellmannEspañolPortuguês
Day-by-day forecast for visitors to the Falls, Itaipu and the border — updated throughout the week as the outlook changes
The week in Foz do Iguaçu, Brazil, ranges from 9°C (Wednesday) to 26°C (Thursday). Rain is expected on Friday and Sunday. See the day-by-day details below — this article is revised during the week whenever the forecast changes.
Day by day
| day | weather | min–max | rain |
|---|---|---|---|
| Friday 11/09 | storm with hail | 19–26°C | 100% |
| Saturday 12/09 | cloudy | 17–25°C | 49% |
| Sunday 13/09 | drizzle | 14–21°C | 55% |
| Monday 14/09 | cloudy | 12–23°C | 10% |
| Tuesday 15/09 | clear sky | 11–21°C | 0% |
| Wednesday 16/09 | clear sky | 9–22°C | 0% |
| Thursday 17/09 | cloudy | 12–26°C | 15% |
What this means for the visit
On rainy days, the Falls remain impressive (bring a light raincoat) and Itaipu is barely affected — most tours are covered. A low of 9°C calls for a real coat, especially early morning and at night. The probability of full capacity by attraction is in Will it be full? and the live bridge queue in Bridge queue.
Weekly updates
- 06/09 — Friday (11/09): high changed from 31°C to 23°C.
- 06/09 — Sunday (13/09) now has a high chance of rain (52%).
- 08/09 — Saturday rain (12/09) removed from the scenario (now 35%).
- 08/09 — Sunday rain (13/09) removed from the scenario (now 49%).
- 10/09 — Friday (11/09): high changed from 24°C to 31°C.
- 10/09 — Saturday (12/09) now has a high chance of rain (57%).
- 10/09 — Sunday (13/09) now has a high chance of rain (59%).
- 11/09 — Friday (11/09): high changed from 31°C to 26°C.
- 11/09 — Saturday rain (12/09) removed from the scenario (now 49%).
- 11/09 — Tuesday (15/09): high changed from 24°C to 21°C.
- 11/09 — Wednesday (16/09): high changed from 25°C to 22°C.
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, Brazil, CC BY 4.0). Official INMET bulletin collected on 2026-09-10 matches the scenario (see official block at /previsao). This article is generated and automatically revised from the data — no speculation; when the forecast changes, the text changes and the alteration is recorded above. Full 14-day forecast at /previsao.
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