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ArgentinaThe weather in September in El Chaltén
It's cold in September in El Chaltén with an average temperature of 3°C. Temperatures this month range from a low of 1°C to a high of 4°C. At night, you can expect temperatures between -6°C and -2°C.
Looking for sun? September isn’t a good month to be in El Chaltén. There’s too much chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for El Chaltén, 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 15°C in 2016, El Chaltén reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was -5°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of -14°C to a highest value of 7°C.
Precipitation and snowfall
In September, there is an average of 213 mm of precipitation, spread over 21 days. Of the total precipitation, about 39 cm falls as snow in September. The wind speed is around 3 Bft, mostly coming from the West.
Daily weather in September for El Chaltén
Click on any day in September to get detailed info about the usual weather on that day in El Chaltén. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| El Chaltén | New York | |
|---|---|---|
| Average temperature | 3°C | 27°C |
| Max. temperature | 4°C | 31°C |
| Min. temperature | -6°C | -5°C |
| Total precipitation | 213 mm | 57 mm |
| Rainy days | 21 days | 9 days |
| Total snowfall | 39 cm | 0 cm |
| Snowy days | 16 days | 0 days |
Start of September
The month of September starts in El Chaltén with really cold temps, averaging around 3°C during the day and nights dipping to about -4°C.
Mid September
By mid-September, daytime temps stay steady at around 3°C, with nights around -3°C. There’s a high chance of precipitation during this time.
End of September
By the end of September, the average daytime temperature in El Chaltén is around 4°C, while nighttime temps are about -2°C. There’s a significant chance of many days with precipitation.
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UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of El Chaltén 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 El Chaltén, Argentina. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in El Chaltén
Temperature in September in El Chaltén over the years
Precipitation charts
These charts show the average amount of precipitation in September in El Chaltén, 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 El Chaltén
Total precipitation in September in El Chaltén over the years
Daily Snowfall in September in El Chaltén
Snowfall in September in El Chaltén per year
Daily UV index in September in El Chaltén
This chart shows the average daily UV index in September in El Chaltén, 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 El Chaltén
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Average weather in El Chaltén by month
Click on a month below to see detailed weather info for El Chaltén. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.