Santiago Weather in September
Chile · 30-year monthly averages
🌟 Great time to visit
September in Santiago is pleasantly warm, with average daytime highs around 20°C (68°F) and nighttime lows near 7°C (44°F). Expect roughly 25mm of precipitation spread over about 3 rainy days, with little rainfall.
Avg high
20°C
68°F
Avg low
7°C
44°F
Rainfall
25mm
dry
Rainy days
3
days with ≥1mm
☀️ About 172 hours of sunshine over the month (~6h/day).
🎒 What to pack
- light layers
- comfortable walking shoes
September vs the rest of the year
FAQ
- How hot is Santiago in September?
- September in Santiago is pleasantly warm, with average daytime highs around 20°C (68°F) and nighttime lows near 7°C (44°F). Expect roughly 25mm of precipitation spread over about 3 rainy days, with little rainfall.
- Does it rain a lot in Santiago in September?
- Santiago sees around 25mm of precipitation in September on average — dry by global standards.
- Is September a good time to visit Santiago?
- September is one of the best months to visit Santiago — comfortable temperatures and manageable rainfall.