Santiago Weather in September
Chile · September climate averages and travel tips
Avg high22°C (71°F)
Avg low7°C (45°F)
Rainfall12 mm (0.5 in)
RatingExcellent 10/10
In September, Santiago has average highs of 22°C (71°F) and lows of 7°C (45°F). September is spring in Chile. The month is very dry, with about 12 mm (0.5 in) of rain spread over 3 days. You get roughly 11.8 hours of daylight and frequently cloudy skies.
Is September a good time to visit Santiago?
Yes — September is one of the best months to visit Santiago. The weather rates excellent (10/10) on our comfort score.
September weather at a glance
| Average high | 22°C (71°F) |
|---|---|
| Average low | 7°C (45°F) |
| Daily mean | 14°C (57°F) |
| Rainfall | 12 mm (0.5 in) |
| Rainy days (1 mm+) | 3 |
| Humidity | 46% |
| Cloud cover | 66% |
| Daylight | 11.8 hours |
| Est. sunshine | 4.4 hours/day |
| Wind | 5.8 km/h |
| vs August | 2°C warmer than August, with 18 mm less rain. |
What to pack for Santiago in September
- T-shirts plus a light layer for the evening
- a sweater for cool nights
Santiago weather in other months
Jan32°C / 17°C10 mmGoodFeb31°C / 16°C10 mmExcellentMar30°C / 15°C8 mmExcellentApr26°C / 12°C8 mmExcellentMay22°C / 10°C28 mmExcellentJun19°C / 7°C52 mmExcellentJul18°C / 6°C28 mmExcellentAug19°C / 6°C30 mmExcellentSep22°C / 7°C12 mmExcellentOct25°C / 10°C12 mmExcellentNov28°C / 13°C6 mmExcellentDec31°C / 15°C7 mmExcellent
← AugustBest time to visit SantiagoOctober →
Nearby in September
Where else is good in September? See where to go in September.