Temperature
Warm by day, mild at night.
81°Ftypical September high
Typical range
September climate
September in Puerto Iguazu
Argentina · South America
Warm days and plenty of sun.
One of the best months here
Some afternoons can feel hot.
Daytime high
81°F
Lows around 62°F
Rain
Several rainy days
Sun
8.5 h/day
Air feel
Comfortable
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days. About 10 wet days this month.
33%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
8.7 hSeptember sunshine
Heat & humidity by month
Warm days with mostly dry air.
LowSeptember Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 79° and nights feel near 63°.
ColdCoolComfortableWarmHotNight hours
Clear sky
Partly cloudy skies this month.
54%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
6 mphSeptember Light breeze
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 80°F, easing to about 72°F in early evening.
Avg temp Typical range
Morning69°F
Rain16%
Cloud48%
Humid airLow
Sun intensityModerate
Best windowMidday78°F
Rain18%
Cloud48%
Humid airModerate
Sun intensityStrong
Late afternoon80°F
Rain17%
Cloud46%
Humid airModerate
Sun intensityModerate
Early evening72°F
Rain14%
Cloud44%
Humid airModerate
Sun intensityMinimal
Data tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 89 | 73 | 6.0 | 15 | 11.1 | 76 |
| Feb | 89 | 72 | 5.7 | 14 | 10.3 | 77 |
| Mar | 87 | 71 | 5.2 | 12 | 10.0 | 77 |
| Apr | 83 | 66 | 5.3 | 9 | 9.1 | 79 |
| May | 75 | 60 | 5.7 | 9 | 8.0 | 82 |
| Jun | 73 | 58 | 5.3 | 9 | 7.5 | 82 |
| Jul | 73 | 56 | 4.1 | 8 | 8.0 | 78 |
| Aug | 78 | 59 | 3.7 | 7 | 8.9 | 72 |
| Sep | 81 | 62 | 5.4 | 10 | 8.7 | 71 |
| Oct | 84 | 67 | 7.8 | 13 | 9.4 | 74 |
| Nov | 86 | 68 | 6.2 | 12 | 10.4 | 72 |
| Dec | 88 | 71 | 7.1 | 15 | 10.9 | 74 |
Similar climates
Similar
Similar travel styleVictoria FallsZimbabweSimilar travel styleLivingstoneZambiaSimilar travel styleRishikeshIndiaSimilar travel styleSaltaArgentina
Want a side-by-side climate view? Compare Puerto Iguazu with Victoria Falls.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology