The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Copiapó Weather in September

Copiapó in September

The short of it: Copiapó in September averages a high of 18 °C (65 °F) and a low of 8 °C (46 °F), with 0.0 mm (0.00 in) of rain and about 11 h 58 min of daylight. Rated 5 of 5 for a visit; the best months are December and March. Source: TerraClimate climate normals, 1991–2020.

Average high 18° · low 8° · rain 0.0 mm · daylight 11 h 58 min

✦✦✦✦✦ Recommended for a visit · best months: December & March

Thirty years of records give Copiapó an average September high of 18°, a low of 8° and some 0.0 mm of rain. Much like August: highs about 18°, nights near 8°. Easy travelling weather. Rain is scarce, about 0.0 mm, the 7th wettest month.

The sun is up for about 11 h 58 min in mid-September, 49 minutes more than a month before.

For the traveller: pack layers, a wool coat and stout boots. The Almanac rates September 5 of 5 for a visit; the finest months here are December and March.

Against its neighbours, Copiapó runs cooler than most and drier than most in September. Tierra Amarilla, 13 km to the SSE, sees much the same highs.

September in Copiapó, by the numbers

Warmth rank
8th warmest of 12
Rain rank
7th wettest of 12
Versus August
1° warmer, 1.0 mm less rain
Versus October
1° colder
Day–night spread
10°
Snow season
seldom any
Daylight, mid-month
11 h 58 min
Average wind
11 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
Tierra AmarillaAtacama13 km SSE19°8°0.0 mm
CalderaAtacama59 km NW18°10°3.0 mm
Diego de AlmagroAtacama112 km NNE21°9°1.0 mm
VallenarAtacama141 km SSW20°8°1.0 mm
FreirinaAtacama147 km SSW19°8°1.0 mm
HuascoAtacama150 km SW18°9°1.0 mm
Alto del CarmenAtacama156 km S18°6°1.0 mm
TaltalAntofagasta219 km N20°12°2.0 mm

The Almanac · Copiapó Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Recommended
The Almanac Speaks
September
✦✦✦✦✦

Much like August: highs about 18°, nights near 8°. Easy travelling weather. Rain is scarce, about 0.0 mm, the 7th wettest month.

Climate of Copiapó by month
MonthHighLowRainWindDaylightVisit
January24°14°0.0 mm12 km/h13 h 41 min✦✦✦✦✦
February24°14°0.0 mm11 km/h13 h 4 min✦✦✦✦✦
March23°13°1.0 mm10 km/h12 h 19 min✦✦✦✦✦
April20°11°0.0 mm9 km/h11 h 28 min✦✦✦✦✦
May18°8°1.0 mm8 km/h10 h 47 min✦✦✦✦✦
June17°6°1.0 mm8 km/h10 h 25 min✦✦✦✦✦
July16°6°5.0 mm8 km/h10 h 34 min✦✦✦✦✦
August17°7°1.0 mm9 km/h11 h 9 min✦✦✦✦✦
September18°8°0.0 mm11 km/h11 h 58 min✦✦✦✦✦
October20°9°1.0 mm12 km/h12 h 48 min✦✦✦✦✦
November21°11°0.0 mm12 km/h13 h 31 min✦✦✦✦✦
December23°13°0.0 mm12 km/h13 h 52 min✦✦✦✦✦

Questions Readers Ask about Copiapó in September

Answered from the wire & the Almanac

What is the weather like in Copiapó in September?

Days average 18 °C (65 °F) and nights 8 °C (46 °F), with about 0.0 mm (0.00 in) of rain over the month. Much like August: highs about 18°, nights near 8°. Easy travelling weather. Rain is scarce, about 0.0 mm, the 7th wettest month.

Is September a good time to visit Copiapó?

The Almanac gives September 5 of 5 (recommended). The best months are December and March.

How long are the days in Copiapó in September?

In mid-September the sun is up for about 11 h 58 min. The days are lengthening — from 10 h 25 min in June to 13 h 52 min in December.

Does it snow in Copiapó in September?

Hardly — September nights average 8 °C (46 °F), above freezing.

What should I pack for Copiapó in September?

Layers, a warm coat and stout boots.

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor