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Climate · San Pedro de Atacama

San Pedro de Atacama in September

Warm and dry, as the days lengthen.

Typical weather, averaged over 30 years

September in San Pedro de Atacama is warm: highs near 74°F, lows near 38°F. Rain is rare, and the days lengthen by 28 minutes from the first week to the last.September in San Pedro de Atacama is warm: highs near 23°C, lows near 3°C. Rain is rare, and the days lengthen by 28 minutes from the first week to the last.

High
74°F23°Caverage
Low
38°F3°Caverage
Wet days
0a week · 1% of days
Daylight
12h 00mon average

Is September a good time to visit San Pedro de Atacama?

A good month, just outside San Pedro de Atacama's best months, which run from December to March.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How September sits in the year

week by week

Temperature

Highs near 74°F in September, against 68°F to 81°F through the year.Highs near 23°C in September, against 20°C to 27°C through the year.

Chance of a wet day

1% of days in September, against 0% to 24% through the year.

Cloud cover

18% cover in September, against 17% to 47% through the year.

Daylight

12h 00m in September, against 10h 45m to 13h 31m through the year.

Week by week, lightly smoothed, with September shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. August71°22°low 35°low 2°no wet daysRain on fewer than one day a week.
  2. September74°23°low 38°low 3°no wet daysRain on fewer than one day a week.
  3. October77°25°low 42°low 6°no wet daysRain on fewer than one day a week.

Where San Pedro de Atacama sits, in September

America/Santiago
this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
7:30 AMsets 7:26 PM
Above the sea
2,440 mhigh country
Latitude
22.9°Ssouthern hemisphere
Nearest of ours
Paiguano824 km south

The land around San Pedro de Atacama, shaded by its typical high in September, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Chile in September

high · low · wet days
See September on the planning mapThe whole year in San Pedro de Atacama

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest San Pedro de Atacama. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.