Atacama Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Atacama, Chile in September.

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Copiapó Chañaral Caldera Bahia Inglesa

Planning a journey to Atacama, Chile this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Atacama in September

Atacama, Chile is a region in Chile. September in Atacama generally has temperatures that range from mild to warm, with precipitation levels ranging from almost none to low.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is mild in Bahia Inglesa at 17°C (63°F) to warm in Copiapó at 23°C (73°F). Nighttime temperatures generally drop to 11°C (52°F) in Copiapó and 12°C (54°F) in Bahia Inglesa.

To explore the conditions in Atacama, Chile in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From almost no rainfall in Piedra Colgada with an average of 1.4 mm (0.1 in) to low rainfall in Chañaral with 6.7 mm (0.3 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Copiapó sees close to 237 hours of sunlight, making it great for sun lovers.

Explore Atacama by month

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

January28°C (82°F) February28°C (82°F) March26°C (79°F) April25°C (77°F) May23°C (73°F) June21°C (70°F) This monthJuly21°C (70°F) August22°C (72°F) September23°C (73°F) October24°C (75°F) November25°C (77°F) December27°C (81°F)
Best Time to Visit Atacama →

Best Places to Visit in Atacama in September

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

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 Atacama

What is the weather like in September for some of the most popular destinations in Atacama, Chile?

Temperature range in Atacama (September)

Precipitation variation in Atacama (September)

Copiapó

In September Copiapó generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 11°C (52°F) and almost no monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
22°C (72°F)
23°C (73°F)
24°C (75°F)
Min temperature
9°C (48°F)
11°C (52°F)
13°C (55°F)
Monthly sun hours
220 hours
237 hours
268 hours
Monthly rainfall
3.7 mm (0.1 in)
2 mm (0.1 in)
0.6 mm (0.02 in)
Monthly rainy days
a single day
a single day
a single day
Weather conditions
perfect
perfect
perfect
Climate in Copiapó →

Chañaral

In September Chañaral generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 11°C (52°F) and low monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
18°C (64°F)
19°C (66°F)
19°C (66°F)
Min temperature
10°C (50°F)
11°C (52°F)
12°C (54°F)
Monthly rainfall
8.7 mm (0.3 in)
6.7 mm (0.3 in)
6.8 mm (0.3 in)
Monthly rainy days
0 days
a single day
0 days
Weather conditions
perfect
perfect
perfect
Climate in Chañaral →

Caldera

In September Caldera generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 11°C (52°F) and almost no monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
17°C (63°F)
18°C (64°F)
18°C (64°F)
Min temperature
11°C (52°F)
11°C (52°F)
12°C (54°F)
Monthly sun hours
220 hours
237 hours
268 hours
Monthly rainfall
4.6 mm (0.2 in)
2.1 mm (0.1 in)
1.9 mm (0.1 in)
Monthly rainy days
a single day
a single day
0 days
Weather conditions
pleasant
perfect
perfect
Climate in Caldera →

Bahia Inglesa

In September Bahia Inglesa generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 12°C (54°F) and almost no monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
17°C (63°F)
17°C (63°F)
18°C (64°F)
Min temperature
11°C (52°F)
12°C (54°F)
12°C (54°F)
Monthly sun hours
220 hours
237 hours
268 hours
Monthly rainfall
4.6 mm (0.2 in)
2 mm (0.1 in)
1.8 mm (0.1 in)
Monthly rainy days
a single day
a single day
0 days
Weather conditions
pleasant
pleasant
perfect
Climate in Bahia Inglesa →

Vallenar

In September Vallenar generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 8°C (46°F) and almost no monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
21°C (70°F)
22°C (72°F)
24°C (75°F)
Min temperature
7°C (45°F)
8°C (46°F)
11°C (52°F)
Monthly rainfall
9.9 mm (0.4 in)
1.9 mm (0.1 in)
1.7 mm (0.1 in)
Monthly rainy days
a single day
a single day
a single day
Weather conditions
perfect
perfect
perfect
Climate in Vallenar →

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

Popular cities in September

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

City Weather Day temp Night temp Rainfall
Copiapó 23°C (73°F) 11°C (52°F) 2 mm (0.1 in)
Chañaral 19°C (66°F) 11°C (52°F) 6.7 mm (0.3 in)
Caldera 18°C (64°F) 11°C (52°F) 2.1 mm (0.1 in)
Bahia Inglesa 17°C (63°F) 12°C (54°F) 2 mm (0.1 in)
Vallenar 22°C (72°F) 8°C (46°F) 1.9 mm (0.1 in)
Piedra Colgada 22°C (72°F) 10°C (50°F) 1.4 mm (0.1 in)

Atacama weather in September: frequently asked questions

What is the weather like in Atacama, Chile in September?

In September, Atacama, Chile generally has perfect weather conditions. Copiapó sees daytime temperatures near 23°C (73°F), with nights cooling to roughly 11°C (52°F).

What is the average temperature in Atacama, Chile in September?

Copiapó averages a daytime maximum of 23°C (73°F) in September, with overnight lows close to 11°C (52°F).

Does Atacama, Chile get a lot of rain in September?

September is on the drier side in Atacama, Chile. Copiapó averages only about 2 mm (0.1 in), with most days staying dry.

Is September a Good Time to Visit Atacama, Chile?

Given the typically perfect weather conditions in Copiapó, September might be a good time to visit Atacama, Chile. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, provide perfect weather in Copiapó.

Interested in more climate information?

We have much more information about the climate in Atacama.

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

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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