El Chaltén

Santa Cruz Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Santa Cruz, Argentina in September.

Considering a trip to Santa Cruz, Argentina this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Santa Cruz in September

Santa Cruz, Argentina is a region in Argentina. Santa Cruz, Argentina has a wide variety of climate types. During September, you can expect temperatures that range from cold to mild and precipitation levels ranging from low to high.

Temperatures

The average highest temperatures fluctuate between cold in El Chaltén at 3°C (37°F) to mild in Caleta Olivia at 15°C (59°F). Nighttime temperatures generally drop to 5°C (41°F) in Caleta Olivia and -4°C (25°F) in El Chaltén.

To learn more about the conditions in specific areas of Santa Cruz, Argentina, check out the map below.

Precipitation

In September, precipitation varies across different areas. From low rainfall in Puerto San Julián with an average of 18 mm (0.7 in) to high rainfall in El Chaltén with 157 mm (6.2 in). Looking at the climate data spanning the last 30 years, this month usually has the lowest rainfall in El Calafate, marking it as the year's driest month.

Average sunshine

Most areas see decent amounts of sunshine this month. El Calafate gets around 169 hours of sunlight, providing a pleasant balance of sun and clouds. If you'd prefer more guaranteed sunshine, our weather planner can show you sunnier spots around the world.

Explore Santa Cruz by month

Pick a month to see the average temperature, rainfall and sunshine in Santa Cruz — and find the best time to visit. (based on El Calafate)

Best Places to Visit in Santa Cruz in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Santa Cruz.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Santa Cruz

What is the weather like in September for some of the most popular destinations in Santa Cruz, Argentina?

Temperature range in Santa Cruz (September)

Precipitation variation in Santa Cruz (September)

El Calafate

In September El Calafate generally has low temperatures with maximum daytime temperatures around 7°C (45°F), minimum nighttime temperatures around -2°C (28°F) and moderate monthly snow/rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
4°C (39°F)
7°C (45°F)
10°C (50°F)
Min temperature
-3°C (27°F)
-2°C (28°F)
0°C (32°F)
Monthly sun hours
140 hours
169 hours
214 hours
Monthly snow/rainfall
66 mm (2.6 in)
59 mm (2.3 in)
66 mm (2.6 in)
Monthly rainy days
6 days
5 days
5 days
Weather conditions

El Chaltén

In September El Chaltén generally has low temperatures with maximum daytime temperatures around 3°C (37°F), minimum nighttime temperatures around -4°C (25°F) and high monthly snow/rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
2°C (36°F)
3°C (37°F)
5°C (41°F)
Min temperature
-5°C (23°F)
-4°C (25°F)
-2°C (28°F)
Monthly sun hours
148 hours
170 hours
210 hours
Monthly snow/rainfall
187 mm (7.4 in)
157 mm (6.2 in)
191 mm (7.5 in)
Monthly rainy days
6 days
5 days
5 days
Weather conditions

Río Gallegos

In September Río Gallegos generally has low temperatures with maximum daytime temperatures around 12°C (54°F), minimum nighttime temperatures around 2°C (36°F) and low monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
9°C (48°F)
12°C (54°F)
15°C (59°F)
Min temperature
0°C (32°F)
2°C (36°F)
4°C (39°F)
Monthly sun hours
107 hours
129 hours
166 hours
Monthly rainfall
24 mm (0.9 in)
25 mm (1 in)
25 mm (1 in)
Monthly rainy days
6 days
5 days
7 days
Weather conditions

Los Antiguos

In September Los Antiguos generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
7°C (45°F)
8°C (46°F)
11°C (52°F)
Min temperature
2°C (36°F)
3°C (37°F)
5°C (41°F)
Monthly sun hours
162 hours
204 hours
292 hours
Monthly rainfall
82 mm (3.2 in)
49 mm (1.9 in)
51 mm (2 in)
Monthly rainy days
6 days
5 days
4 days
Weather conditions

Puerto Deseado

In September Puerto Deseado generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 5°C (41°F) and low monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
11°C (52°F)
13°C (55°F)
16°C (61°F)
Min temperature
3°C (37°F)
5°C (41°F)
7°C (45°F)
Monthly sun hours
119 hours
110 hours
164 hours
Monthly rainfall
18 mm (0.7 in)
19 mm (0.7 in)
19 mm (0.7 in)
Monthly rainy days
6 days
5 days
5 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Santa Cruz, in Argentina.

Popular cities in September

Day & night temperatures, rainfall and average weather in Santa Cruz in September.

City Weather Day temp Night temp Rainfall
El Calafate 7°C (45°F) -2°C (28°F) 59 mm (2.3 in)
El Chaltén 3°C (37°F) -4°C (25°F) 157 mm (6.2 in)
Río Gallegos 12°C (54°F) 2°C (36°F) 25 mm (1 in)
Los Antiguos 8°C (46°F) 3°C (37°F) 49 mm (1.9 in)
Puerto Deseado 13°C (55°F) 5°C (41°F) 19 mm (0.7 in)
Caleta Olivia 15°C (59°F) 5°C (41°F) 19 mm (0.7 in)

Santa Cruz weather in September: frequently asked questions

What is the weather like in Santa Cruz, Argentina in September?

In September, Santa Cruz, Argentina generally has poor weather conditions. El Calafate sees daytime temperatures near 7°C (45°F), with nights cooling to roughly -2°C (28°F).

What is the average temperature in Santa Cruz, Argentina in September?

Daytime temperatures in El Calafate peak at roughly 7°C (45°F) in September, dropping to about -2°C (28°F) overnight.

Does Santa Cruz, Argentina get a lot of snow/rain in September?

Rain is generally moderate to light in Santa Cruz, Argentina during September, with El Calafate averaging close to 59 mm (2.3 in).

Is September a Good Time to Visit Santa Cruz, Argentina?

In our view, September might not be the best time to travel to Santa Cruz, Argentina with often poor weather in El Calafate.

On average, the best time to visit Santa Cruz, Argentina is in January, February and December with generally tolerable weather in El Calafate. In contrast, April, May, June, July, August, September and October tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Santa Cruz.

Weather and climate has detailed information for every country in the world. Are you going to Argentina? Get detailed historical weather averages for many cities in Argentina.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.