Copiapó Weather in September
During September, Copiapó experiences high daytime temperatures of 23°C (73°F) and cooler nights around 11°C (52°F). Rainfall is low, averaging just 2 mm (0.1 in) for the month.
Rainfall in Copiapó in September
On average, there are about a single day with rain during this month, averaging 2 mm (0.1 in). On the rare occasion it rains this month, it usually amounts to very little.
Temperature in Copiapó in September
September tends to be one of the perfect months in Copiapó, with 23°C (73°F) in the afternoon and 11°C (52°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Copiapó in September
Enjoy a sunny month with about 237 hours of sunshine, the clear skies make Copiapó even more beautiful.For more travel ideas, our weather planner can help you explore destinations around the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Chile, check out our Copiapó's climate page.
Copiapó Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
23°C (73°F)
Chance of Rain
3%
Precipitation
2 mm (0.1 in)
Rainy days
a single day
Humidity
63%
Sunshine
237 hours
Percentage Sunshine
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Copiapó typically stay consistent throughout September, with daily highs averaging around 23°C (73°F). Nights are cool, with lows around 10°C (50°F).
Average temperatures in September
Historical weather for Copiapó in September
Browse day-by-day weather records for Copiapó spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Copiapó historical weather extremes in September
Based on 19 years of weather observations in Copiapó between 2006 and 2025, these are the recorded extremes.
- Copiapó recorded its highest September temperature of 29°C (84°F) on September 10, 2023.
- On September 30, 2007, Copiapó saw its coldest September day with temperatures maxing out at 11°C (52°F).
- Nighttime temperatures dropped to 4°C (39°F) on September 16, 2013, marking the coldest September night on record.
Best Places in Chile in September
Find out more about the weather in Chile and which places have the best travel conditions in this month. See all of Chile in September →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Copiapó in September
For Copiapó in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Almost no rain is expected, so no need to bring rain gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Copiapó in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Chile, check out our Copiapó's climate page.
Temperature Rainfall Sunshine Humidity
See the full Copiapó climate overview or explore weather in Chile.
