The climate of El Chalten in September is humid. An average of 641 mm precipitation is recorded over 26 days. The situation is drier than the previous month: in August, the average recorded is 738 mm over 27 days.
Temperatures are very cold in El Chalten in September: it is necessary to dress warmly. The average maximum temperature reaches -4°C, while the minimum falls to about -9°C. The month's average temperature is -7°C. These normals should be compared with the records recorded in El Chalten in September: 4°C as a maximum in 2021 and -21°C as a minimum in 2013.
In September, the days last on average 11:45 in El Chalten. The sun rises around 07:55 and sets around 19:40.
With very unfavorable weather, the month of September is generally not recommended for traveling to El Chalten in Argentina.
Some activities remain possible even if conditions are not optimal: Winter sports and snow, Hiking and trekking and Nature and landscapes.