September weather forecast
Cataratas del Iguazú, Argentina

Weather in September

September, the first month of the spring in Cataratas del Iguazú, is still a warm month, with an average temperature ranging between min 15.5°C (59.9°F) and max 26.5°C (79.7°F).

Temperature

In September, the average high-temperature is almost the same as in August - a still moderately hot 26.5°C (79.7°F). In September, in Cataratas del Iguazú, Argentina, the average low-temperature is 15.5°C (59.9°F).

Humidity

September is the least humid month in Cataratas del Iguazú, with an average relative humidity of 74%.

Rainfall

In September, in Cataratas del Iguazú, Argentina, the rain falls for 9.7 days. Throughout September, 59mm (2.32") of precipitation is accumulated. In Cataratas del Iguazú, during the entire year, the rain falls for 165.2 days and collects up to 1060mm (41.73") of precipitation.

Daylight

In Cataratas del 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 18:25. On the last day of September, sunrise is at 06:18 and sunset at 18:37 -03.

Sunshine

The average sunshine in September in Cataratas del Iguazú is 8.4h.

UV index

In Cataratas del Iguazú, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Cataratas del Iguazú?

The average high-temperature, in September, in Cataratas del Iguazú, Argentina, is 26.5°C (79.7°F), while the average low-temperature is 15.5°C (59.9°F). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in April is estimated at 31°C (87.8°F).

What is the least humid month in Cataratas del Iguazú?

The least humid month is September, with an average relative humidity of 74%.

What is the average humidity in September in Cataratas del Iguazú?

The average relative humidity in September is 74%.

How much does it rain in Cataratas del Iguazú in September?

In Cataratas del Iguazú, in September, it is raining for 9.7 days, with typically 59mm (2.32") of accumulated precipitation.

What is the average length of the day in September in Cataratas del Iguazú?

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

What time are sunrise and sunset in September in Cataratas del Iguazú?

On the first day of September in Cataratas del Iguazú, sunrise is at 06:49 and sunset at 18:25. On the last day of the month, sunrise is at 06:18 and sunset at 18:37 -03.

How many hours of sunshine does Cataratas del Iguazú have in September?

In Cataratas del Iguazú, the average sunshine duration in September is 8.4h.

What is the UV index intensity in September in Cataratas del Iguazú?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.

Average temperature in September
Cataratas del Iguazú, Argentina

Average temperature in September - Cataratas del Iguazú, Argentina
  • Average high temperature in September: 26.5°C

The warmest months (with the highest average high temperature) are January and February (31.3°C).
The month with the lowest average high temperature is June (21.2°C).

  • Average low temperature in September: 15.5°C

The month with the highest average low temperature is January (20.8°C).
The coldest month (with the lowest average low temperature) is July (12.3°C).

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Average pressure in September
Cataratas del Iguazú, Argentina

Average pressure in September - Cataratas del Iguazú, Argentina
  • Average pressure in September: 1014.4mbar

The month with the highest atmospheric pressure is July (1018mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).

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Average wind speed in September
Cataratas del Iguazú, Argentina

Average wind speed in September - Cataratas del Iguazú, Argentina
  • Average wind speed in September: 8.4km/h

The windiest month (with the highest average wind speed) is August (8.5km/h).
The calmest month (with the lowest average wind speed) is March (6.6km/h).

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Average humidity in September
Cataratas del Iguazú, Argentina

Average humidity in September - Cataratas del Iguazú, Argentina
  • Average humidity in September: 74%

The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is September (74%).

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Average rainfall in September
Cataratas del Iguazú, Argentina

Average rainfall in September - Cataratas del Iguazú, Argentina
  • Average rainfall in September: 59mm

The wettest month (with the highest rainfall) is October (125mm).
The driest month (with the least rainfall) is August (47mm).

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Average rainfall days in September
Cataratas del Iguazú, Argentina

Average rainfall days in September - Cataratas del Iguazú, Argentina
  • Average rainfall days in September: 9.7 days

The month with the highest number of rainy days is December (19.2 days).
The month with the least rainy days is August (8.9 days).

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Average daylight in September /
Average sunshine in September
Cataratas del Iguazú, Argentina

Average daylight in September / Average sunshine in September - Cataratas del Iguazú, Argentina
  • Average daylight in September: 11h and 58min

The month with the longest days is December (Average daylight: 13h and 43min).
The month with the shortest days is June (Average daylight: 10h and 34min).

  • Average sunshine in September: 8h and 24min

The months with the most sunshine are November and December (Average sunshine: 8h and 42min).
The month with the least sunshine is June (Average sunshine: 7h and 6min).

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Average sunshine days in September
Cataratas del Iguazú, Argentina

Average sunshine days in September - Cataratas del Iguazú, Argentina
  • Average sunshine days in September: 18.4 days

The month with the most sunshine days is August (21.3 days).
The month with the least sunshine days is February (7.8 days).

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Average UV index in September
Cataratas del Iguazú, Argentina

Average UV index in September - Cataratas del Iguazú, Argentina
  • Average UV index in September: 5

The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are May and June (UV index 4).

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Average cloud cover in September
Cataratas del Iguazú, Argentina

Average cloud cover in September - Cataratas del Iguazú, Argentina
  • Average cloud cover in September: 29

The month with the most cloud cover is May (Cloud cover 47).
The months with the least cloud cover are August and September (Cloud cover 29).

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Average visibility in September
Cataratas del Iguazú, Argentina

Average visibility in September - Cataratas del Iguazú, Argentina
  • Average visibility in September: 9km

The month with the highest visibility is September (9km).
The months with the lowest visibility are May, June and July (7km).

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