Month guide · Santiago · Chile
Santiago in September
What September is really like in Santiago: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Marcelo Ois Lagarde, CC BY-SA 3.0
Quick answer
September is a shoulder-season month. Expect average highs of 20°C (68°F), lows of 6°C (43°F), about 3 rainy days and roughly 11.9 hours of daylight. Spring arrives and the city celebrates the national holidays with fondas, cueca dancing and barbecues.
Key facts
- Average high / low
- 20°C (68°F) / 6°C (43°F)
- Rainy days
- About 3
- Daylight
- About 11.9 hours
- Crowds
- Busy
- Hotel prices
- Average
Weather in September
September is the 8th-warmest month in Santiago: days average 20°C (68°F) against a yearly average high of 23°C (73°F), and nights fall to about 6°C (43°F). Rain falls on roughly 3 of its 30 days. Compared with August (17°C (63°F)), September is warmer; by October highs climb to around 23°C (73°F).
- Sunrise (15 September)
- About 07:41
- Sunset (15 September)
- About 19:34
- Daylight
- About 11.9 hours
Summer (December–February). Hot, dry and sunny, with afternoons often above 30°C; locals head to the coast in January and February and some restaurants close.
Crowds and prices
On a 1–5 scale, September rates 4 for crowds (the peak is September at 4) and 3 for hotel prices (highest in January). Prices sit in the middle of the year's range.
Events in September
- Fiestas Patrias — national holidays with fondas in Parque O'Higgins (18–19 September, with festivities around them)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in September
Mild, settled days suit walking, viewpoints and time outdoors.

Market · Centro Histórico
Mercado Central
Ignore the waiters who wave menus at the entrance and eat at a smaller counter on the outer aisles at lunchtime.
- Time needed
- 1 hour
- Cost
- Low cost
- Food
- Architecture
- Iconic

Museum · Centro Histórico
Museo Chileno de Arte Precolombino
One block from the Plaza de Armas in the former Royal Customs House, this museum displays pottery, textiles, gold and stone sculpture from cultures between Mexico and southern Chile.
- Time needed
- 1.5–2 hours
- Cost
- Mid-priced
- Art
- History
- Rainy day
Museum · Quinta Normal
Museum of Memory and Human Rights
Plan at least two hours and something gentle afterwards, such as a walk in the Quinta Normal park opposite.
- Time needed
- 2 hours
- Cost
- Free
- History
- Free
- Rainy day
Historic site · Bellavista
La Chascona
Pablo Neruda built this house on a steep slope of San Cristóbal for Matilde Urrutia from 1953, naming it after her unruly hair.
- Time needed
- 1 hour
- Cost
- Mid-priced
- History
- Art
- Couples
- Rainy day
What to pack
For highs near 20°C, lows near 6°C and 3 wet days: light layers for the day and a light jacket for the evening; comfortable walking shoes.
Is September a good time to visit Santiago?
A shoulder-season month, with a notable event on the calendar. If your dates are flexible, March–April and October–November are better overall. Compare every month.
Santiago in other months
Questions travellers ask
+Is September a good time to visit Santiago?
It is a shoulder-season month. Spring arrives and the city celebrates the national holidays with fondas, cueca dancing and barbecues.
+How warm is Santiago in September?
Average highs are around 20°C (68°F) and lows around 6°C (43°F).
+Does it rain a lot in Santiago in September?
Expect rain on about 3 days of the month, so it is usually dry.