Chile in september: average Weather, Temperature and Climate, Where to go?
Weather in Chile in september 2025
Below, find the the weather forecast for the month of september for most popular cities in Chile. These forecasts are statistics for september from weather reports for many years. The percentage indicates the possibility of having the weather indicated.
Average weather in september in Santiago
good weather
Weather at 6am
54°F
Clear/Sunny
66% of time
20%
7%
6%
Weather at 12pm
63°F
Clear/Sunny
64% of time
23%
7%
6%
Weather at 6pm
49°F
Clear/Sunny
61% of time
22%
11%
5%
Weather at 3am
50°F
68%
19%
6%
5%
Where to go in Chile in september?
Where to go in Chile in september: destination map
Where to go in each region in september?
| Central of Chile (Santiago, Valparaiso, Constitucion...) | 38°F to 72°F | 1 à 5 days | 56°F to 58°F | good weather* |
| Easter island (Easter island...) | 68°F | 4 days | 70°F | good weather |
| North of Chile (San Pedro de Atacama (Atacama Desert), Iquique, Caldera...) | 56°F to 77°F | 0 à 1 days | 58°F to 65°F | good weather* |
| Patagonia (Punta Arenas, Cape Horn, Parque Nacional Torres del Paine...) | 25°F to 52°F | 1 à 21 days | 43°F to 50°F | very bad weather |
| South of Chile (Puerto Varas, Temuco, Quellon...) | 50°F to 63°F | 5 à 17 days | 52°F to 56°F | tolerable weather* |
Where should you go in Chile in september when it comes to the weather?
Remember:
The climate in Chile in september ranges from good to very bad depending on the region and city.
On the month of september the weather is just perfect in Chile, but only in a few cities: in Iquique and Arica. Around these cities, these perfect weather conditions will allow you to enjoy a maximum your trip: the sun is guaranteed, rainfall is scarce and the humidity is bearable. It is therefore the ideal month to visit these cities!
Please note that the weather is still favorable in Santiago, San Pedro de Atacama, Valparaiso and Easter island. Around here, temperatures are still pleasing and allow you to visit and enjoy the sun.
Eventually, it is not advisable to travel in Puerto Montt, Punta Arenas, Chiloe Island, Portillo, Pucón and Puerto Natales that month because the climate is frankly bad.
Climate in Chile in september
Climate in Santiago in september
In september, the mean temperature in Santiago is 59°F (maximum temperature is 65°F and minimum temperature is 52°F). The climate is rather cold around this city in the month of september, but it is liveable by dressing hot. With just 1.4in over 2 days, rainfall is infrequent during your trip.
With a good climate, september is a good month to go in this locality.
| September | |||
| Average temperature | 59°F | ||
| Highest temperature | 65°F | ||
| Lowest temperature | 52°F | ||
| Rainfall | 1.4in | ||
| Number of days with rainfall | 2 day(s) (5%) | ||
| Humidity | 58% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 21% | ||
| Length of day | 11:53 | ||
| Our opinion at whereandwhen.net | good |
Climate in Caldera in september
In the month of september, maximum temperature is 67°F and minimum temperature is 59°F (for an average temperature of 63°F). The climate is fairly fresh in this location in this month, but it is endurable by dressing warm. It almost never rains during the month of september. You stay dry during your stay!
With a good weather, the month of september is a good month to go in Caldera.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 67°F | ||
| Lowest temperature | 59°F | ||
| Rainfall | 0in | ||
| Humidity | 77% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 8% | ||
| Length of day | 11:56 | ||
| Our opinion at whereandwhen.net | good |
Climate in Easter island in september
In the month of september, the mean temperature in Easter island is 67°F (maximum temperature is 68°F and minimum temperature is 67°F). The climate quite good here in this month. With 4in over 4 days, rain may occur during your journey. But this is pretty reasonably and it is only of temporary showers.
With a good climate, the month of september is a good month to go in Easter island.
| September | |||
| Average temperature | 67°F | ||
| Highest temperature | 68°F | ||
| Lowest temperature | 67°F | ||
| Sea temperature | 70°F | ||
| Rainfall | 4in | ||
| Number of days with rainfall | 4 day(s) (12%) | ||
| Humidity | 76% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 46% | ||
| Length of day | 11:57 | ||
| Our opinion at whereandwhen.net | good |
Climate in Iquique in september
In the month of september, maximum temperature is 70°F and minimum temperature is 58°F (for an average temperature of 65°F). The climate quite enjoyable there in the month of september. does not rain (or really exceptionally) during the month of september. You stay dry throughout your trip!
With ideal weather conditions, september is a recommended month to go in that area.
| September | |||
| Average temperature | 65°F | ||
| Highest temperature | 70°F | ||
| Lowest temperature | 58°F | ||
| Sea temperature | 63°F | ||
| Rainfall | 0.1in | ||
| Humidity | 75% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 7% | ||
| Length of day | 11:58 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Punta Arenas in september
In the month of september, the mean temperature in Punta Arenas is 43°F (maximum temperature is 47°F and minimum temperature is 41°F). The climate is quite more than very fresh around this city in the month of september. Plan a sweater! With barely 1.6in over 2 days,
it rains very little during your vacations.
With an unfavorable weather, september is not the best time to go in this city.
| September | |||
| Average temperature | 43°F | ||
| Highest temperature | 47°F | ||
| Lowest temperature | 41°F | ||
| Sea temperature | 43°F | ||
| Rainfall | 1.6in | ||
| Number of days with rainfall | 2 day(s) (7%) | ||
| Humidity | 79% | ||
| Daily sunshine hours | 9 | ||
| Cloud cover | 54% | ||
| Length of day | 11:41 | ||
| Our opinion at whereandwhen.net | very bad |
All cities in Chile in september
| Santiago in september | good weather |
| Caldera in september | good weather |
| Easter island in september | good weather |
| Iquique in september | perfect weather |
| Punta Arenas in september | very bad weather |
| San Pedro de Atacama (Atacama Desert) in september | good weather |
| Valparaiso in september | good weather |
| Cape Horn in september | very bad weather |
| Constitucion in september | good weather |
| Parque Nacional Torres del Paine in september | very bad weather |
| Puerto Varas in september | bad weather |
| Quellon in september | bad weather |
| Temuco in september | tolerable weather |
| Archipielago Juan Fernandez in september | tolerable weather |
| Arica in september | good weather |
| Bahía Mansa in september | tolerable weather |
| Caleta Yungay in september | very bad weather |
| Cerro Sombrero in september | very bad weather |
| Chañaral in september | perfect weather |
| Cobquecura in september | tolerable weather |
| El Tatio in september | good weather |
| Elqui in september | good weather |
| Huasco in september | perfect weather |
| Chiloe Island in september | bad weather |
| Laguna del Inca in september | very bad weather |
| Lebu in september | tolerable weather |
| Los Vilos in september | good weather |
| Lota in september | tolerable weather |
| Parc national Isla Magdalena in september | very bad weather |
| Parque Nacional Queulat in september | very bad weather |
| Parque Nacional Bernardo O’Higgins in september | very bad weather |
| Parque Nacional Corcovado in september | very bad weather |
| Parque Nacional Lauca in september | tolerable weather |
| Parque Nacional Vicente Perez Rosales in september | very bad weather |
| Parque Pumalin in september | very bad weather |
| Pichilemu in september | good weather |
Weather data for Chile in september:
Weather data for Chile in september is derived from an average of the weather forecast since 2009 in Chile. There is a margin of error and these forecasts are to be considered as general information only. The weather in Chile can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Chile.