turismo ·
Weather forecast in Foz do Iguaçu (Sep 19-25): rain 4 days, low 10°C
Marco Três newsroom · edited by Annie GrellmannPortuguêsEspañol
Day-by-day forecast for visitors to the Falls, Itaipu Dam and the border, updated throughout the week as the outlook changes
The week in Foz do Iguaçu will range from 10 °C (Wednesday) to 32 °C (Sunday). Rain is expected on Saturday, Sunday, Monday and Tuesday. See the daily details below. This article is revised during the week whenever the forecast changes.
Day by day
| day | weather | min–max | rain |
|---|---|---|---|
| Saturday, 09/19 | storm | 18–24 °C | 96% |
| Sunday, 09/20 | heavy drizzle | 21–32 °C | 78% |
| Monday, 09/21 | storm | 21–29 °C | 84% |
| Tuesday, 09/22 | heavy drizzle | 14–22 °C | 81% |
| Wednesday, 09/23 | cloudy | 10–23 °C | 8% |
| Thursday, 09/24 | few clouds | 12–27 °C | 6% |
| Friday, 09/25 | clear sky | 16–28 °C | 8% |
What this means for your visit
On rainy days the Falls remain impressive (bring a light raincoat) and the Itaipu Dam is hardly affected, as most tours are covered. A low of 10 °C calls for a real coat, especially early morning and at night. The likelihood of attractions being crowded is listed at Will it be full? and the live bridge queue at Bridge queue.
Weekly updates
- 09/19: adjustment to Tuesday’s (09/22) high temperature, changed from 25 °C to 22 °C.
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-09-18 matches the scenario (see official block at /previsao). This article is generated and automatically revised by Marco Três from the data, without speculation. When the forecast changes, the text updates and the change is recorded above. Full 14-day forecast at /previsao.
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