turismo ·
Weather in Foz week (09/08-09/14): rain 3 days, low 11°C
Marco Três newsroom · edited by Annie Grellmann
Day-by-day forecast for visitors to the Falls, Itaipu and the border — updated throughout the week as the scenario changes
The week in Foz do Iguaçu goes from 11°C (Tuesday) to 25°C (Thursday). Rain appears on Wednesday, Thursday, Friday. Check day by day below — this article is reviewed during the week whenever the forecast changes.
Day by day
| day | weather | min–max | rain |
|---|---|---|---|
| Tuesday 08/09 | drizzle | 11–24°C | 31% |
| Wednesday 09/09 | storm | 18–23°C | 100% |
| Thursday 10/09 | storm | 19–25°C | 100% |
| Friday 11/09 | storm with hail | 17–22°C | 100% |
| Saturday 12/09 | cloudy | 15–23°C | 35% |
| Sunday 13/09 | cloudy | 13–24°C | 49% |
| Monday 14/09 | cloudy | 14–24°C | 46% |
What this changes for the tour
On rainy days, the Falls remain impressive (light jacket) and Itaipu hardly suffers — tours are mostly covered. A low of 11°C calls for a real coat, especially early morning and at night. The probability of full house by attraction is in Will it be full? and the bridge queue, live, in Bridge queue.
Weekly updates
- 06/09 — Friday (11/09): maximum changed from 31°C to 23°C.
- 06/09 — Sunday (13/09) now has high chance of rain (52%).
- 08/09 — Saturday's rain (12/09) left the scenario (now 35%).
- 08/09 — Sunday's rain (13/09) left the scenario (now 49%).
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-09-07 matches the scenario (see official block at /previsao). This article is generated and automatically reviewed by Marco Três from the data — no guesswork; when the forecast changes, the text changes and the alteration is recorded above. Full 14-day forecast at /previsao.
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Content verified by the newsroom based on an official source: Open-Meteo + INMET · análise Marco Três. Last checked: 9/8/2026. Found something inaccurate? We fix it fast. How we work.
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