September weather forecast
Puerto Iguazú, Argentina

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Weather in September

Turning the corner to the spring season, September marks a welcome change with higher temperatures of up to 25.9°C (78.6°F) during the day and lowering to about 13.5°C (56.3°F) at night. A resurgence in rainfall occurs in September with an uptick to 164mm (6.46"), indicative of a mild return to the wetter months of the year. The relative humidity remains sustained at 75%, consistent with the month of August. The days gradually lengthen, with the city bathing in approximately 12 hours of daylight daily.

Temperature

The beginning of September records an average high-temperature of a still moderately hot 25.9°C (78.6°F), marking a negligible difference from August's 25°C (77°F). Puerto Iguazú sees a consistent average low-temperature of 13.5°C (56.3°F) in September, indicating a substantial decrease from the day's temperature.

Humidity

In September, the average relative humidity in Puerto Iguazú is 75%.

Rainfall

In Puerto Iguazú, in September, it is raining for 8.9 days, with typically 164mm (6.46") of accumulated precipitation. In Puerto Iguazú, Argentina, during the entire year, the rain falls for 98.5 days and collects up to 1899mm (74.76") of precipitation.

Daylight

In Puerto Iguazú, the average length of the day in September is 11h and 58min.
On the first day of the month, sunrise is at 06:49 and sunset at 18:26. On the last day of September, sunrise is at 06:18 and sunset at 18:37 -03.

Sunshine

September has the least sunshine of the year in Puerto Iguazú, with an average of 3.5h of sunshine.
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Frequently asked questions

What are the temperatures in Puerto Iguazú in September?

Puerto Iguazú in September has an average high-temperature of 25.9°C (78.6°F) and an average low-temperature of 13.5°C (56.3°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in March is appraised at 39°C (102.2°F).

What is the average humidity in September in Puerto Iguazú?

In Puerto Iguazú, Argentina, the average relative humidity in September is 75%.

How many days does it rain in September in Puerto Iguazú?

In Puerto Iguazú, during September, the rain falls for 8.9 days and regularly aggregates up to 164mm (6.46") of precipitation.

What is the average length of the day in September in Puerto Iguazú?

In Puerto Iguazú, the average day length in September is 11h and 58min.

What time are sunrise and sunset in September in Puerto Iguazú?

In September, on the first day of the month, sunrise is at 06:49 and sunset at 18:26. On the last day of the month, in Puerto Iguazú, sunrise is at 06:18 and sunset at 18:37 -03.

What is the month with the least sunshine in Puerto Iguazú?

September has the least sunshine of the year in Puerto Iguazú, Argentina, with an average of 3.5h of sunshine.

How long on average sun shines in September in Puerto Iguazú?

In Puerto Iguazú, the average sunshine duration in September is 3.5h.
Average humidity
Average rainfall days
Average daylight
Average sunshine

Average temperature in September
Puerto Iguazú, Argentina

Average temperature in September - Puerto Iguazú, Argentina
  • Average high temperature in September: 25.9°C

The warmest month (with the highest average high temperature) is January (31.2°C).
The month with the lowest average high temperature is June (22.1°C).

  • Average low temperature in September: 13.5°C

The month with the highest average low temperature is January (20.9°C).
The coldest month (with the lowest average low temperature) is July (11°C).

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Average humidity in September
Puerto Iguazú, Argentina

Average humidity in September - Puerto Iguazú, Argentina
  • Average humidity in September: 75%

The months with the highest relative humidity are May and June (84%).
The month with the lowest relative humidity is December (73%).

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Average rainfall in September
Puerto Iguazú, Argentina

Average rainfall in September - Puerto Iguazú, Argentina
  • Average rainfall in September: 164.3mm

The wettest month (with the highest rainfall) is October (260.9mm).
The driest month (with the least rainfall) is August (81.4mm).

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Average rainfall days in September
Puerto Iguazú, Argentina

Average rainfall days in September - Puerto Iguazú, Argentina
  • Average rainfall days in September: 8.9 days

The month with the highest number of rainy days is October (11 days).
The month with the least rainy days is August (6.2 days).

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Average daylight in September /
Average sunshine in September
Puerto Iguazú, Argentina

Average daylight in September / Average sunshine in September - Puerto Iguazú, Argentina
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).

  • Average sunshine in September: 3h and 3min

The month with the most sunshine is December (Average sunshine: 6h and 42min).
The month with the least sunshine is September (Average sunshine: 3h and 30min).

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Puerto Iguazú, Argentina

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