Temperature
Pleasant by day, brisk at night.
66°Ftypical September high
Typical range
September climate
September in Antofagasta
Chile · South America
Mild days and plenty of sun.
One of the best months here
Daytime high
66°F
Lows around 56°F
Rain
Very little rain
Sun
11.5 h/day
Air feel
Comfortable
When to visit
Month-by-month fit
Best
Precipitation
Rain is infrequent in September.
~0%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
11.3 hSeptember sunshine
Heat & humidity by month
ComfortableSeptember
Easy airWarm airHumid air
Hourly temperature pattern
In September, afternoons feel about 62° and nights feel near 57°.
ColdCoolComfortableWarmNight hours
Clear sky
Mostly clear skies this month.
66%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
6 mphSeptember Calm
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 66°F, easing to about 61°F in early evening.
Avg temp Typical range
Morning59°F
Rain2%
Cloud56%
Humid airLow
Sun intensityLow
Midday65°F
Rain0%
Cloud37%
Humid airLow
Sun intensityStrong
Late afternoon66°F
Rain0%
Cloud26%
Humid airLow
Sun intensityStrong
Early evening61°F
Rain0%
Cloud21%
Humid airLow
Sun intensityLow
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 76 | 65 | 0.0 | 0 | 12.7 | 75 |
| Feb | 77 | 66 | 0.0 | 0 | 12.0 | 76 |
| Mar | 75 | 64 | 0.0 | 0 | 11.8 | 79 |
| Apr | 71 | 61 | 0.1 | 0 | 11.0 | 82 |
| May | 68 | 58 | 0.1 | 0 | 10.5 | 83 |
| Jun | 66 | 56 | 0.1 | 0 | 10.1 | 83 |
| Jul | 65 | 55 | 0.1 | 1 | 10.1 | 82 |
| Aug | 65 | 55 | 0.1 | 1 | 10.6 | 81 |
| Sep | 66 | 56 | 0.0 | 0 | 11.3 | 80 |
| Oct | 68 | 57 | 0.0 | 0 | 12.2 | 78 |
| Nov | 70 | 60 | 0.0 | 0 | 12.8 | 77 |
| Dec | 73 | 62 | 0.0 | 0 | 12.9 | 76 |
Similar climates
Similar
Similar travel styleAricaChileSimilar travel styleArtigasUruguaySimilar travel styleArishEgyptSimilar travel styleArrecifeSpain
Want a side-by-side climate view? Compare Antofagasta with Arica.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology