Chile (Atacama) · September
Low seasonChile · South America
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 26° (79°)20– (68–)29 (84) | 25° (77°)19– (66–)29 (84) | 25° (77°)21– (70–)28 (82) | 24° (75°)18– (64–)26 (79) | 21° (70°)16– (61–)23 (73) | 19° (66°)14– (57–)22 (72) | 20° (68°)13– (55–)23 (73) | 21° (70°)15– (59–)24 (75) | 23° (73°)17– (63–)26 (79) | 25° (77°)19– (66–)27 (81) | 26° (79°)22– (72–)29 (84) | 27° (81°)23– (73–)29 (84) |
Ø night, range from coldest to warmest nightØ nightrange | 13° (55°)9– (48–)16 (61) | 13° (55°)9– (48–)15 (59) | 12° (54°)8– (46–)14 (57) | 9° (48°)4– (39–)13 (55) | 6° (43°)1– (34–)9 (48) | 4° (39°)-1– (30–)7 (45) | 3° (37°)-2– (28–)7 (45) | 4° (39°)-1– (30–)8 (46) | 7° (45°)1– (34–)11 (52) | 8° (46°)4– (39–)12 (54) | 10° (50°)6– (43–)13 (55) | 12° (54°)8– (46–)15 (59) |
☀️Sunshine | 12h UV 10 | 12h UV 10 | 12h UV 10 | 12h UV 9 | 11h UV 8 | 11h UV 8 | 11h UV 8 | 11h UV 9 | 12h UV 10 | 13h UV 10 | 13h UV 10 | 13h UV 8 |
🌧Rain Days | 3d25mm (1.0") | 5d47mm (1.9") | 2d11mm (0.4") | 0d4mm (0.2") | 0d3mm (0.1") | 0d3mm (0.1") | 0d3mm (0.1") | 0d4mm (0.1") | 0d0mm (<0.1") | 0d1mm (<0.1") | 0d0mm (<0.1") | 1d3mm (0.1") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Still off-season — flights and hotels significantly cheaper than in October.
September is an acceptable travel month for Chile (Atacama) — conditions are fine, though January, February, March, October, November, and December offer even better weather.
Daytime highs average 23°C (73°F), cooling to 7°C (45°F) at night (daily average: 15°C (59°F)). Peaks reach around 26°C (79°F), the coldest nights around 1°C (34°F). With 12 sunshine hours per day, September is one of the sunniest months — 0 mm (0 in) of rain over 0 days.
A jacket for cool evenings should not be left behind. Sightseeing and excursions can be enjoyed comfortably at this time of year.
Spring brings the best conditions for excursions: it gets warmer, there is almost no precipitation and the days lengthen. The sun is strong, so sun protection is a must. Salt flats, lagoons and flamingos are easy to reach now, and the main season begins without yet being crowded.
Packing list for Chile (Atacama) in September
- T-shirts and shorts
- Light jacket for cool evenings
- SPF 50 sunscreen
- Sunglasses
- Sun hat
- Travel first-aid kit
Frequently Asked Questions
- Is September a good time to visit Chile (Atacama)?
- September is not an optimal month for Chile (Atacama) (Score: 84/100), but it is manageable. For better conditions, consider January, February, March, October, November, and December.
- How warm is it in Chile (Atacama) in September?
- In September, Chile (Atacama) sees daily highs of 23°C (73°F). Nights cool to 7°C (45°F), with a daily average of 15°C (59°F). Peaks reach around 26°C (79°F), the coldest nights around 1°C (34°F).
- How much rain falls in Chile (Atacama) in September?
- In September, Chile (Atacama) receives an average of 0 mm (0 in) of rain over 0 rain days. That is comparatively dry.
- How many sunshine hours does Chile (Atacama) get in September?
- Chile (Atacama) averages 12 sunshine hours per day in September — close to the annual average.
