Brazil (Iguaçu) · September
Best travel monthTravel seasonBrazil · South America
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 32° (90°)25– (77–)36 (97) | 32° (90°)24– (75–)36 (97) | 31° (88°)23– (73–)35 (95) | 28° (82°)21– (70–)33 (91) | 24° (75°)15– (59–)30 (86) | 23° (73°)13– (55–)29 (84) | 23° (73°)12– (54–)30 (86) | 26° (79°)14– (57–)34 (93) | 28° (82°)17– (63–)36 (97) | 29° (84°)21– (70–)36 (97) | 30° (86°)23– (73–)35 (95) | 32° (90°)24– (75–)36 (97) |
Ø night, range from coldest to warmest nightØ nightrange | 22° (72°)17– (63–)24 (75) | 21° (70°)15– (59–)24 (75) | 20° (68°)13– (55–)23 (73) | 18° (64°)8– (46–)22 (72) | 14° (57°)5– (41–)20 (68) | 13° (55°)4– (39–)19 (66) | 12° (54°)1– (34–)19 (66) | 14° (57°)2– (36–)20 (68) | 15° (59°)6– (43–)22 (72) | 18° (64°)10– (50–)23 (73) | 19° (66°)11– (52–)22 (72) | 21° (70°)14– (57–)24 (75) |
☀️Sunshine | 8h UV 9 | 8h UV 9 | 8h UV 8 | 7h UV 7 | 6h UV 5 | 6h UV 5 | 7h UV 5 | 8h UV 7 | 8h UV 7 | 7h UV 8 | 8h UV 8 | 8h UV 7 |
🌧Rain Days | 10d164mm (6.5") | 8d127mm (5.0") | 7d132mm (5.2") | 7d136mm (5.3") | 7d127mm (5.0") | 6d97mm (3.8") | 5d68mm (2.7") | 4d71mm (2.8") | 6d101mm (4.0") | 9d191mm (7.5") | 8d128mm (5.0") | 9d161mm (6.3") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Travel season — mid-range prices, good availability.
September is one of the best travel months for Brazil (Iguaçu) — conditions are stable, temperatures reach 28°C (82°F), and outdoor activities are excellent.
Daytime highs average 28°C (82°F), cooling to 15°C (59°F) at night (daily average: 21°C (70°F)). Peaks reach around 36°C (97°F), the coldest nights around 6°C (43°F). The sun shines an average of 8 hours per day; there are 6 rain days with 101 mm (4.0 in) total.
Summer clothing and a light jacket for evenings is enough. Conditions are ideal for excursions, hikes, and sightseeing.
The most pleasant time to visit: little rain, clear views, mild days and pleasantly few mosquitoes. The walkways can be strolled in peace and the falls show themselves in good visibility, often with rainbows in the spray. School holidays fall in July, when it is noticeably busier.
Packing list for Brazil (Iguaçu) in September
- T-shirts and shorts
- Light jacket for cool evenings
- SPF 50 sunscreen
- Sunglasses
- Sun hat
- Small umbrella (occasional showers possible)
- Travel first-aid kit
Frequently Asked Questions
- Is September a good time to visit Brazil (Iguaçu)?
- Yes — September is one of the best months to visit Brazil (Iguaçu) (Climate Score: 73/100). Pleasant temperatures (28°C (82°F)), good sunshine (8 h/day), and few rain days (6) make it one of the most recommended months.
- How warm is it in Brazil (Iguaçu) in September?
- In September, Brazil (Iguaçu) sees daily highs of 28°C (82°F). Nights cool to 15°C (59°F), with a daily average of 21°C (70°F). Peaks reach around 36°C (97°F), the coldest nights around 6°C (43°F).
- How much rain falls in Brazil (Iguaçu) in September?
- In September, Brazil (Iguaçu) receives an average of 101 mm (4.0 in) of rain over 6 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does Brazil (Iguaçu) get in September?
- Brazil (Iguaçu) averages 8 sunshine hours per day in September — close to the annual average.
