El Chalten in september: average Weather, Temperature and Climate
Weather in El Chalten in september 2026
The weather in El Chalten in september comes from statistical datas on the last years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
very bad weather 3699.4cm
Weather at 6am
18°F
Snow showers
76% of time
11%
7%
5%
Weather at 12pm
23°F
Snow showers
74% of time
9%
8%
7%
Weather at 6pm
23°F
Snow showers
79% of time
9%
6%
5%
Weather at 3am
18°F
67%
13%
12%
7%
Evolution of daily average temperature and precipitation in El Chalten in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in El Chalten in september.
The climate of El Chalten in september is very bad
The weather in september in El Chalten is wet (with 25.3in of precipitation over 21 days). This is better than the previous month since in august it receives an average of 29.1in of rainfall over 22 days.
The climate is very cold in this city the month of september. Bring warm clothes!. Temperatures are up to 25°F. The minimum is 18°F. Thus, the mean temperature average on this month of september in El Chalten is 22°F. These temperatures are far removed from those records observed in El Chalten in the month of september with a maximum record of 40°F in 2021 and a minimum record of -5°F in 2013.
Day length in El Chalten in september is 11:45. Sunrise is at 07:55 and sets at 19:40.
September: another location in Argentina?
If you want to go to Argentina in september, there are destinations with better weather than El Chalten:
In september, La Rioja, Santiago del Estero, Corrientes, Formosa, San Miguel de Tucumán and Tartagal have perfect weather.
Furthermore, Buenos Aires, Cordoba, Iguazú, Mendoza, Salta and Puerto Madryn have good weather.
Finally, Mar del Plata, Bahía Blanca, Catamarca (San Fernando del Valle de Catamarca), Purmamarca (Seven Colors Mountain), San Rafael and Comodoro Rivadavia have a tolerable climate, but better than El Chalten.
Seasonal average climate and temperature of El Chalten in september
Check below seasonal norms These statistics are set from the weather statements of the past years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 22°F | ||||
| Highest temperature | 25°F | ||||
| Lowest temperature | 18°F | ||||
| Highest record temperature | 40°F (2021) | ||||
| Lowest record temperature | -5°F (2013) | ||||
| Number of days at -32°F | 30 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 26km/h | ||||
| Wind temperature | 4°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 25.3in | ||||
| Number of days with rainfall | 21 day(s) (69%) | ||||
| Record daily rainfall | 7.1in (2017) | ||||
| Snowfall | 3699.4cm | ||||
| Other climate data | |||||
| Humidity | 95% | ||||
| Visibility | 4.39km | ||||
| Cloud cover | 74% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 8 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 07:55 | ||||
| Time of sunset | 19:40 | ||||
| Length of day | 11:45 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last september?
Here is the day by day recorded weather in El Chalten in september 2025:
36°F to 38°F
31°F to 36°F
32°F to 40°F
38°F to 43°F
40°F to 45°F
40°F to 43°F
41°F to 45°F
40°F to 43°F
38°F to 41°F
41°F to 43°F
38°F to 41°F
43°F to 47°F
40°F to 43°F
38°F to 45°F
40°F to 45°F
34°F to 36°F
36°F to 38°F
36°F to 40°F
38°F to 41°F
41°F to 45°F
40°F to 43°F
36°F to 40°F
34°F to 40°F
40°F to 45°F
41°F to 47°F
43°F to 47°F
43°F to 47°F
40°F to 45°F
34°F to 41°F
34°F to 41°F
Map: other cities in Argentina in september
Cities near El Chalten:
| Fitz Roy in september | very bad weather |
| El Calafate in september | very bad weather |
| Perito Moreno in september | very bad weather |
| Río Turbio in september | very bad weather |
| Cueva de las Manos in september | very bad weather |
| Comandante Luis Piedra Buena in september | bad weather |
| Patagonia in september | very bad weather |
| Río Gallegos in september | very bad weather |
| Puerto San Julián in september | bad weather |
| Caleta Olivia in september | tolerable weather |
| Paramo Chico in september | very bad weather |
| Puerto Deseado in september | bad weather |
Click over cities on the map for information about the weather in september.
El Chalten
perfect weather
good
tolerable
bad
very bad
Weather data for El Chalten in september:
Weather data for El Chalten for september are derived from an average of the weather forecast since 2009 in El Chalten. There is a margin of error and these forecasts are to be considered as general information only. The weather in El Chalten can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to El Chalten.