The weather in September in Posadas

It's warm in September in Posadas with an average temperature of 27°C. Temperatures this month range from a low of 22°C to a high of 30°C. At night, you can expect temperatures between 13°C and 19°C.

Looking for sun? September isn’t a good month to be in Posadas. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Posadas, Argentina. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 40°C in 2020, Posadas reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 13°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 5°C to a highest value of 26°C.

Rainfall amount

In September, there is an average of 146 mm of precipitation, spread over 15 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

Daily weather in September for Posadas

Click on any day in September to get detailed info about the usual weather on that day in Posadas. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Posadas New York
Average temperature 27°C 27°C
Max. temperature 30°C 31°C
Min. temperature 13°C -5°C
Total precipitation 146 mm 57 mm
Rainy days 15 days 9 days

Start of September

The month of September starts in Posadas with warm temps, averaging around 26°C during the day and nights around 16°C.

Mid September

By mid-September, daytime temps rise to around 27°C, with nights around 16°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of September

By the end of September, the average daytime temperature in Posadas is around 29°C, while nighttime temps are about 18°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable trips to Posadas

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.

Check out the climate of Posadas for all months and discover the best travel time

Curious about the weather in other parts of Argentina? Check out the climate and weather for spots like Buenos Aires, Patagonia, Ushuaia, or explore other destinations in Argentina.

Temperature charts

These charts show the average temperatures in September in Posadas, Argentina. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Posadas

Temperature in September in Posadas over the years

Precipitation charts

These charts show the average amount of precipitation in September in Posadas, Argentina. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Posadas

Total precipitation in September in Posadas over the years

Daily UV index in September in Posadas

This chart shows the average daily UV index in September in Posadas, 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.

Weather experiences in September in Posadas

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Average weather in Posadas by month

Click on a month below to see detailed weather info for Posadas. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.