Cataratas del Iguazú
Argentina
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Cataratas del Iguazú, Argentina

September, the first month of the spring, in Cataratas del Iguazú, is still a warm month, with temperature in the range of an average high of 26.9°C (80.4°F) and an average low of 13.5°C (56.3°F).

Temperature

In Cataratas del Iguazú, the average high-temperature is relatively the same as in August - a still moderately hot 26.9°C (80.4°F). The average low-temperature, in September, is 13.5°C (56.3°F).

Humidity

In Cataratas del Iguazú, Argentina, the average relative humidity in September is 79%.

Rainfall

In Cataratas del Iguazú, during 8 rainfall days, 146.6mm (5.8") of precipitation is typically accumulated. Throughout the year, there are 95 rainfall days, and 1868.7mm (73.6") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h.

Sunshine

The month with the least sunshine in Cataratas del Iguazú, Argentina, is September, with an average of 4.9h of sunshine.

UV index

In Cataratas del Iguazú, the average daily maximum UV index is 9. A UV Index of 8 to 10 symbolizes a very high health hazard from unsafe exposure to the UV radiation for average individuals.
Note: In September, the average maximum UV index of 9 translate into the following recommendations:
Take special precautions, as unprotected skin can be damaged and can burn quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Cataratas del Iguazú?

The average high-temperature, in September, in Cataratas del Iguazú, Argentina, is 26.9°C (80.4°F), while the average low-temperature is 13.5°C (56.3°F).

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

The average relative humidity in September in Cataratas del Iguazú is 79%.

How many days does it rain in September in Cataratas del Iguazú?

In September, the rain falls for 8 days. Throughout September, 146.6mm (5.8") of precipitation is accumulated.

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

The average length of the day in September is 12h.

What is the month with the least sunshine in Cataratas del Iguazú?

With an average of 4.9h of sunshine, September has the least sunshine of the year in Cataratas del Iguazú.

How long on average sun shines in September in Cataratas del Iguazú?

In Cataratas del Iguazú, Argentina, the average sunshine in September is 4.9h.

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

In Cataratas del Iguazú, the average daily maximum UV index in September is 9. A UV Index value of 8 to 10 symbolizes a very high health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Cataratas del Iguazú, Argentina
  • Average high temperature in September: 26.9°C

The warmest month (with the highest average high temperature) is January (33°C).
The month with the lowest average high temperature is June (23.1°C).

  • Average low temperature in September: 13.5°C

The month with the highest average low temperature is February (20°C).
The coldest month (with the lowest average low temperature) is July (9.7°C).

Average humidity in September - Cataratas del Iguazú, Argentina
  • Average humidity in September: 79%

The month with the highest relative humidity is May (86%).
The month with the lowest relative humidity is December (74%).

Average rainfall in September - Cataratas del Iguazú, Argentina
  • Average rainfall in September: 146.6mm

The wettest month (with the highest rainfall) is October (219.8mm).
The driest month (with the lowest rainfall) is July (84.4mm).

Average rainfall days in September - Cataratas del Iguazú, Argentina
  • Average rainfall days in September: 8 days

Months with the highest number of rainy days are January, February, October and December (9 days).
Months with the lowest number of rainy days are May and July (6 days).

Average daylight in September / Average sunshine in September - Cataratas del Iguazú, Argentina
  • Average daylight in September: 12h

The month with the longest days is December (Average daylight: 13.7h).
The month with shortest days is June (Average daylight: 10.6h).

  • Average sunshine in September: 4.9h

The month with most sunshine is November (Average sunshine: 7.7h).
The month with least sunshine is September (Average sunshine: 4.9h).

Average UV index in September - Cataratas del Iguazú, Argentina
  • Average UV index in September: 9

Months with the highest UV index are January, February, November and December (UV index 12).
The month with the lowest UV index is June (UV index 4).