El Chaltén

Patagonia Weather in September

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

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Puerto Madryn El Chaltén Neuquén Puerto Blest

Considering a trip to Patagonia, 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 Patagonia in September

Patagonia, Argentina is a region in Argentina. The weather in Patagonia in September can be quite varied, with temperatures that range from cold to pleasant and precipitation levels ranging from low to heavy.

Temperatures

During the day temperatures vary from cold in El Chaltén at 3°C (37°F) to pleasant in Santa Rosa at 20°C (68°F). At night it cools down to 7°C (45°F) in Santa Rosa and -4°C (25°F) in El Chaltén.

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

Precipitation

In September, precipitation varies across different areas. From low rainfall in Puerto Madryn with an average of 20 mm (0.8 in) to heavy rainfall in Puerto Blest with 203 mm (8 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Puerto Madryn enjoys approximately 197 hours of sunlight, ideal for those seeking sunny weather.

Explore Patagonia by month

Pick a month to see the average temperature, rainfall and sunshine in Patagonia — and find the best time to visit. (based on Puerto Madryn)

January30°C (86°F) February28°C (82°F) March26°C (79°F) April22°C (72°F) May17°C (63°F) June14°C (57°F) This monthJuly14°C (57°F) August16°C (61°F) September18°C (64°F) October22°C (72°F) November25°C (77°F) December28°C (82°F)
Best Time to Visit Patagonia →

Best Places to Visit in Patagonia in September

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

Conditions Temperatures Precipitation
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 Patagonia

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

Temperature range in Patagonia (September)

Precipitation variation in Patagonia (September)

Puerto Madryn

In September Puerto Madryn generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 6°C (43°F) and low monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
16°C (61°F)
18°C (64°F)
22°C (72°F)
Min temperature
4°C (39°F)
6°C (43°F)
9°C (48°F)
Monthly sun hours
147 hours
197 hours
237 hours
Monthly rainfall
17 mm (0.7 in)
20 mm (0.8 in)
21 mm (0.8 in)
Monthly rainy days
4 days
3 days
4 days
Weather conditions
pleasant
perfect
perfect
Climate in Puerto Madryn →

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 »
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
poor
poor
poor
Climate in El Chaltén →

Neuquén

In September Neuquén generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 6°C (43°F) and low monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
16°C (61°F)
19°C (66°F)
23°C (73°F)
Min temperature
4°C (39°F)
6°C (43°F)
9°C (48°F)
Monthly sun hours
186 hours
192 hours
260 hours
Monthly rainfall
14 mm (0.6 in)
21 mm (0.8 in)
31 mm (1.2 in)
Monthly rainy days
4 days
4 days
5 days
Weather conditions
pleasant
perfect
perfect
Climate in Neuquén →

Puerto Blest

In September Puerto Blest generally has low temperatures with maximum daytime temperatures around 7°C (45°F), minimum nighttime temperatures around -1°C (30°F) and heavy monthly snow/rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
5°C (41°F)
7°C (45°F)
9°C (48°F)
Min temperature
-2°C (28°F)
-1°C (30°F)
0°C (32°F)
Monthly sun hours
147 hours
191 hours
241 hours
Monthly snow/rainfall
323 mm (13 in)
203 mm (8 in)
185 mm (7.3 in)
Monthly rainy days
13 days
9 days
8 days
Weather conditions
poor
poor
poor
Climate in Puerto Blest →

Trelew

In September Trelew generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 6°C (43°F) and low monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
16°C (61°F)
18°C (64°F)
22°C (72°F)
Min temperature
4°C (39°F)
6°C (43°F)
9°C (48°F)
Monthly sun hours
174 hours
195 hours
241 hours
Monthly rainfall
16 mm (0.6 in)
20 mm (0.8 in)
20 mm (0.8 in)
Monthly rainy days
5 days
5 days
5 days
Weather conditions
pleasant
perfect
perfect
Climate in Trelew →

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

Popular cities in September

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

City Weather Day temp Night temp Rainfall
Puerto Madryn 18°C (64°F) 6°C (43°F) 20 mm (0.8 in)
El Chaltén 3°C (37°F) -4°C (25°F) 157 mm (6.2 in)
Neuquén 19°C (66°F) 6°C (43°F) 21 mm (0.8 in)
Puerto Blest 7°C (45°F) -1°C (30°F) 203 mm (8 in)
Trelew 18°C (64°F) 6°C (43°F) 20 mm (0.8 in)
Comodoro Rivadavia 14°C (57°F) 6°C (43°F) 24 mm (0.9 in)

Patagonia weather in September: frequently asked questions

What is the weather like in Patagonia, Argentina in September?

In September, Patagonia, Argentina generally has perfect weather conditions. Puerto Madryn sees daytime temperatures near 18°C (64°F), with nights cooling to roughly 6°C (43°F).

What is the average temperature in Patagonia, Argentina in September?

Puerto Madryn averages a daytime maximum of 18°C (64°F) in September, with overnight lows close to 6°C (43°F).

Does Patagonia, Argentina get a lot of rain in September?

Not particularly. Puerto Madryn averages just 20 mm (0.8 in) of rain in September, making it a mostly dry month for Patagonia, Argentina.

Is September a Good Time to Visit Patagonia, Argentina?

We consider September to be one of the best times to travel to Patagonia, Argentina. Typically, the climate in Puerto Madryn is perfect. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Patagonia, Argentina is in February, March, April, September, October, November and December with generally perfect weather in Puerto Madryn.

Interested in more climate information?

We have much more information about the climate in Patagonia.

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.

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