Santiago Weather in September

September in Santiago brings very high temperatures, with daytime highs of 33°C (91°F) and nights around 22°C (72°F). Quite a bit of rainfall is expected, around 95 mm (3.7 in), so pack an umbrella.

Rainfall in Santiago in September

Typically around 15 days of rainfall are expected, averaging 95 mm (3.7 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Santiago in September

September in Santiago brings typical temperatures with highs around 33°C (91°F) and lows of 22°C (72°F). For most visitors, the main thing to prepare for is the heat during the day. With overnight lows of 22°C (72°F), evenings stay pleasantly warm.

Sunshine in Santiago in September

Enjoy a sunny month with about 230 hours of sunshine, the clear skies make Santiago even more beautiful.

Wind Speed in Santiago in September

Wind speeds average 2 m/s (4 knots) during September. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Santiago. Our weather planner can help you explore destinations with more pleasant weather conditions.