Temperatures in September
It's warm in September in Cataratas del Iguazú with an average temperature of 28°C. Temperatures this month range from a low of 24°C to a high of 31°C. At night, you can expect temperatures between 13°C and 19°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Cataratas del Iguazú in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Cataratas del Iguazú with hot temperatures, averaging around 28°C during the day and nights close to 16°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-September
By mid-September, the average daytime temperature stays the same at 28°C, with nights close to 16°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
Temperatures vary between day and night, so it’s smart to wear layers.
End of September
By the end of September, the average daytime temperature in Cataratas del Iguazú will be around 29°C, with nights close to 17°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers.
Precipitation in September
In September, there is an average of 108 mm of precipitation, spread over 7 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
The average precipitation chance is 23% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Cataratas del Iguazú. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Cataratas del Iguazú in September |
London | ||
|---|---|---|---|
 Average Temperature |
28°C | 20°C | |
 High Temp |
31°C | 22°C | |
| Low Temp |
24°C | 17°C | |
 Total Precipitation |
108 mm | 44 mm | |
| Rainy Days |
7 days | 8 days | |
August
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Cataratas del Iguazú?
After some sun? Then September isn’t the best time to be in Cataratas del Iguazú. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Cataratas del Iguazú in September
With 40°C, Cataratas del Iguazú hit the highest temperature in the last 10 years in September 2020. The lowest daytime temperature in this month was 14°C in 2018. The extreme night temperatures ranged from a low of 3°C to a high of 25°C.
Check out the climate of Cataratas del Iguazú for all months and discover the best travel time
Curious about the climate in other parts of Argentina? Check out the weather and climate in places like Buenos Aires, Patagonia, Ushuaia, or have a look at other destinations in Argentina.
Daily Temperature in September in Cataratas del Iguazú
This chart shows the average daily temperatures, both day and night, for each day in September in Cataratas del Iguazú, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Cataratas del Iguazú
The chart below shows the average daily precipitation in September for Cataratas del Iguazú, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 7 days of rain in Cataratas del Iguazú.
Daily UV Index in September in Cataratas del Iguazú
This chart shows the average daily UV index in September in Cataratas del Iguazú, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Cataratas del Iguazú Over the Years
This chart shows the average temperature in September in Cataratas del Iguazú, measured in degrees Celsius, over the past years.
Total Precipitation in September in Cataratas del Iguazú Over the Years
This chart shows the average precipitation in September in Cataratas del Iguazú, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Cataratas del Iguazú
Click on a specific day in September for detailed info on the typical weather on that day in Cataratas del Iguazú. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Cataratas del Iguazú
Have you been to Cataratas del Iguazú in September?
Share your weather experience in September in Cataratas del Iguazú.
Average Weather in Cataratas del Iguazú by Month
Click on a month below to see detailed weather info for Cataratas del Iguazú. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Cataratas del Iguazú for all months at once
