Best time to go

El Chalten in September 2026: weather, temperatures and activities

Do you want to visit El Chalten in September 2026? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether September is a good month to travel to El Chalten, Argentina.

Custom search

Is it worth visiting El Chalten in September?

Check your ideal travel criteria and see if the month of September suits your plans to go to El Chalten.
What matters most?
El Chalten in September 2026: weather, temperatures and activities

Page summary

El Chalten in September in summary
Very bad weather
Min -9°C Max -4°C 641 mm 21 day(s) 94% 74% 7.4 h/day 299.5 cm
Possible activities in September
Winter sports and snowHiking and trekkingNature and landscapes
Practical guidelines
Moderate crowds 07:55 19:40
Hourly weather

Average weather in El Chalten in September 2026

Very bad weather

The weather in El Chalten in September 2026 is based on statistical data from previous years in September. This allows you to forecast the weather in September 2026. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

Loading hourly weather...
Loading hourly weather...
Loading hourly weather...
Climate

Climate of El Chalten in September

Temperatures, precipitation, snow and monthly trends help better understand the climate in El Chalten in September.

Temperatures and rain in El Chalten in September

Average daily weather

Temperatures, rain and snow day by day in September, with a separate scale for snow.
Minimal Average Maximums Average rainfall Daily snow

Monthly temperatures

The month of September is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in El Chalten in September

Seasonal normals

Seasonal normals of El Chalten in September

Check the seasonal normals in El Chalten in September and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
September
Weather data August September October
Outside temperature
Average temperature -7.6°C -6.6°C -5.8°C
Maximum temperature -5.4°C -4.3°C -3.5°C
Minimum temperature -9.8°C -8.9°C -8.0°C
Record maximum temperature 3.0°C
(2009)
4.0°C
(2021)
4.0°C
(2016)
Record low temperature -26.0°C
(2012)
-21.0°C
(2013)
-18.0°C
(2020)
Number of days at +30° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days at +18° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days below 0° 31 day(s)
(100%)
30 day(s)
(100%)
31 day(s)
(100%)
Wind
Wind speed 26 km/h 26 km/h 27 km/h
Wind temperature -17.6°C -16.3°C -15.5°C
Precipitation (rain)
Precipitation 737.9 mm 641.1 mm 689.4 mm
Number of days with precipitation 27 day(s)
(87%)
26 day(s)
(87%)
26 day(s)
(84%)
Number of days with significant precipitation (greater than 5 mm) 22 day(s)
(72%)
21 day(s)
(69%)
20 day(s)
(65%)
Record precipitation in one day 142.5 mm
(2015)
180.2 mm
(2017)
159.6 mm
(2010)
Other weather data
Humidity 94% 94% 95%
Visibility 4.4 km 4.4 km 4.6 km
Cloud cover 73% 74% 74%
UV index 1 1 1
Daily sunshine 6h 7h 8h
Sunrise and sunset
Sunrise time 08h57 07h55 06h51
Sunset time 18h55 19h40 20h24
Day length 9h58 11h45 13h33
Our opinion on the climate in September
The review of Where And When very bad weather very bad weather very bad weather
Activities and events

What to do in El Chalten in September?

Possible activities in September
Winter sports and snowHiking and trekkingNature and landscapes
Observed weather

What was the weather like in El Chalten in September last?

Find the observed weather calendar in El Chalten in September 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Clear/Sunny
2°C3°C0.0 mm
2
Clear/Sunny
-1°C2°C0.3 mm0.5 cm
3
Partly Cloudy
0°C4°C0.0 mm
4
Clear/Sunny
3°C6°C0.0 mm
5
Cloudy
4°C7°C0.0 mm
6
Clear/Sunny
4°C6°C0.0 mm
7
Clear/Sunny
5°C7°C0.0 mm
8
Partly Cloudy
4°C6°C0.0 mm
9
Patchy rain nearby
3°C5°C0.0 mm
10
Clear/Sunny
5°C6°C0.1 mm
11
Overcast
3°C5°C0.0 mm
12
Clear/Sunny
6°C8°C0.0 mm
13
Clear/Sunny
4°C6°C0.0 mm
14
Clear/Sunny
3°C7°C0.0 mm
15
Partly Cloudy
4°C7°C0.1 mm
16
Clear/Sunny
1°C2°C0.3 mm0.3 cm
17
Clear/Sunny
2°C3°C0.0 mm
18
Clear/Sunny
2°C4°C0.0 mm
19
Clear/Sunny
3°C5°C0.0 mm
20
Clear/Sunny
5°C7°C0.0 mm
21
Clear/Sunny
4°C6°C0.2 mm
22
Patchy rain nearby
2°C4°C0.0 mm
23
Clear/Sunny
1°C4°C0.0 mm
24
Partly Cloudy
4°C7°C0.0 mm
25
Clear/Sunny
5°C8°C0.0 mm
26
Clear/Sunny
6°C8°C0.0 mm
27
Clear/Sunny
6°C8°C0.0 mm
28
Clear/Sunny
4°C7°C0.3 mm
29
Patchy rain nearby
1°C5°C1.0 mm0.1 cm
30
Patchy light drizzle
1°C5°C1.9 mm0.7 cm
Nearby

Where to go near El Chalten in September?

Compare cities and destinations near El Chalten in September to find another travel stop, a nearby alternative or a logical continuation of your stay in El Chalten.

Loading...
Every month

Best time to visit El Chalten month by month

Compare the weather in El Chalten across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to El Chalten in September: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

Not really. The weather conditions are unfavorable in El Chalten in September, which places this month 9th out of 12. A trip is still possible, but plan a flexible itinerary.

Expect an average of -4°C during the day and -9°C at night, with about 641 mm of precipitation spread over 21 rainy days.

Expect about 7.4 hours of sunshine per day on average for this month.

No activity stands out as ideal this month, but conditions remain acceptable for Winter sports and snow, Hiking and trekking and Nature and landscapes.

No: this month is in Moderate crowds, with a visitor index of 31/100. It is one of the quietest periods of the year.
Top